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article stringlengths 4.36k 149k | summary stringlengths 32 3.35k | section_headings listlengths 1 91 | keywords listlengths 0 141 | year stringclasses 13
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Arginine methylation of histone and non-histone proteins is involved in transcription regulation and many other cellular processes . Nevertheless , whether such protein modification plays a regulatory role during apoptosis remains largely unknown . Here we report that the Caenorhabditis elegans homolog of mammalian typ... | Protein arginine methylation is an important posttranslational modification . Aberrant expression of protein arginine methyltransferases ( PRMTs ) are found in a wide variety of human diseases , especially in many cancers . Given that deregulation of apoptosis is usually related to tumorigenesis , it is not known wheth... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"Methods"
] | [
"cell",
"biology/gene",
"expression",
"cell",
"biology/cellular",
"death",
"and",
"stress",
"responses"
] | 2009 | Caenorhabditis elegans Protein Arginine Methyltransferase PRMT-5 Negatively Regulates DNA Damage-Induced Apoptosis |
Variations in cell migration and morphology are consequences of changes in underlying cytoskeletal organization and dynamics . We investigated how these large-scale cellular events emerge as direct consequences of small-scale cytoskeletal molecular activities . Because the properties of the actin cytoskeleton can be mo... | The shape of animal cells is largely determined by the organization of their internal structural elements , including the filamentous structures of their cytoskeleton . Motile cells that crawl across solid substrates must assemble their cytoskeletal actin filaments in a spatially organized way , such that net filament ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"biology",
"in",
"vitro",
"biophysics"
] | 2007 | Emergence of Large-Scale Cell Morphology and Movement from Local Actin Filament Growth Dynamics |
Schistosomiasis , one of the most prevalent neglected parasitic diseases affecting humans and animals , is caused by the Platyhelminthes of the genus Schistosoma . Schistosomes are the only trematodes to have evolved sexual dimorphism and the constant pairing with a male is essential for the sexual maturation of the fe... | Schistosomiasis is a neglected disease caused by parasitic flatworms called schistosomes . The disease affects hundreds of millions of people in developing countries in the poorest tropical and subtropical regions of the world and it represents a major public health and socio-economical problem in several countries . I... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion",
"and",
"conclusion"
] | [
"schistosoma",
"invertebrates",
"schistosoma",
"mansoni",
"medicine",
"and",
"health",
"sciences",
"reproductive",
"system",
"helminths",
"tropical",
"diseases",
"parasitic",
"diseases",
"animals",
"parasitology",
"germ",
"cells",
"developmental",
"biology",
"oocytes",
"n... | 2017 | Discovery by organism based high-throughput screening of new multi-stage compounds affecting Schistosoma mansoni viability, egg formation and production |
Integrative analysis of gene dosage , expression , and ontology ( GO ) data was performed to discover driver genes in the carcinogenesis and chemoradioresistance of cervical cancers . Gene dosage and expression profiles of 102 locally advanced cervical cancers were generated by microarray techniques . Fifty-two of thes... | Genetic gains and losses , i . e . changes in gene dosages , are common abnormalities of human cancers . Discovering these defects and understanding the biological meaning can lead to improved therapeutic opportunities . This paper reports a large scale screening of gene dosage alterations in cervical cancer and gives ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"and",
"genomics/cancer",
"genetics",
"genetics",
"and",
"genomics/gene",
"expression"
] | 2009 | Gene Dosage, Expression, and Ontology Analysis Identifies Driver Genes in the Carcinogenesis and Chemoradioresistance of Cervical Cancer |
The onset of anthelmintic treatment of neurocysticercosis ( NCC ) provokes an acute immune response of the host , which in human cases is associated with exacerbation of neurological symptoms . This inflammation can occur at the first days of therapy . So , changes in the brain cysts appearance may be detected by medic... | Neurocysticercosis ( NCC ) is a frequent parasitic infection of the human brain and the most common cause of adult onset epilepsy in developing countries . Acute inflammatory response in NCC plays an important role in the pathogenesis of symptoms by anthelminitic therapies . The anthelmintic recommended therapy for NCC... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"diagnostic",
"radiology",
"pathology",
"and",
"laboratory",
"medicine",
"pig",
"models",
"immunology",
"vertebrates",
"animals",
"mammals",
"magnetic",
"resonance",
"imaging",
"animal",
"models",
"preventive",
"medicine",
"signs... | 2017 | Radiological evolution of porcine neurocysticercosis after combined antiparasitic treatment with praziquantel and albendazole |
There is strong evidence that hotspots of meiotic recombination in humans are transient features of the genome . For example , hotspot locations are not shared between human and chimpanzee . Biased gene conversion in favor of alleles that locally disrupt hotspots is a possible explanation of the short lifespan of hotsp... | Recombination is a fundamental component of mammalian meiosis , required to help ensure that daughter cells receive the correct complement of chromosomes . This is highly important , as incorrect segregation causes miscarriage and disorders such as Down syndrome . In addition to its mechanistic function , recombination... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"evolutionary",
"biology",
"homo",
"(human)",
"genetics",
"and",
"genomics",
"computational",
"biology"
] | 2007 | Live Hot, Die Young: Transmission Distortion in Recombination Hotspots |
For many animals , chemosensation is essential for guiding social behavior . However , because multiple factors can modulate levels of individual chemical cues , deriving information about other individuals via natural chemical stimuli involves considerable challenges . How social information is extracted despite these... | Across the animal kingdom , chemical senses play a central role in guiding social behaviors by conveying information about particular behaviorally relevant traits . However , decoding these traits from profiles of chemical cues is challenging since cue levels are modulated by multiple factors . Here , we investigate ho... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"body",
"fluids",
"brain",
"neuroscience",
"saliva",
"urine",
"multivariate",
"analysis",
"physiological",
"processes",
"animal",
"behavior",
"mathematics",
"statistics",
"(mathematics)",
"artificial",
"intelligence",
"zoology",
"r... | 2016 | Extracting Behaviorally Relevant Traits from Natural Stimuli: Benefits of Combinatorial Representations at the Accessory Olfactory Bulb |
Listeria monocytogenes is an important cause of maternal-fetal infections and serves as a model organism to study these important but poorly understood events . L . monocytogenes can infect non-phagocytic cells by two means: direct invasion and cell-to-cell spread . The relative contribution of each method to placental... | Placental infections can lead to severe pregnancy complications as well as infection of the fetus and newborn with significant morbidity and mortality . Pathogens that are able to cross the maternal-fetal barrier typically have life cycles inside host cells . Among these is the facultative intracellular bacterial patho... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"infectious",
"diseases/bacterial",
"infections",
"infectious",
"diseases/gynecologic",
"infections",
"microbiology/parasitology"
] | 2010 | Placental Syncytiotrophoblast Constitutes a Major Barrier to Vertical Transmission of Listeria monocytogenes |
XRN2 is a 5’-3’ exoribonuclease implicated in transcription termination . Here we demonstrate an unexpected role for XRN2 in the DNA damage response involving resolution of R-loop structures and prevention of DNA double-strand breaks ( DSBs ) . We show that XRN2 undergoes DNA damage-inducible nuclear re-localization , ... | Genomic instability is one of the primary causes of disease states , in particular cancer . One major cause of genomic instability is the formation of DNA double strand breaks ( DSBs ) , which are one of the most dangerous types of DNA lesions the cell can encounter . If not repaired in a timely manner , one DSB can le... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"genetic",
"networks",
"gene",
"regulation",
"fibroblasts",
"dna",
"transcription",
"dna",
"damage",
"dna",
"replication",
"connective",
"tissue",
"cells",
"genome",
"analysis",
"network",
"analysis",
"dna",
"small",
"interferi... | 2016 | XRN2 Links Transcription Termination to DNA Damage and Replication Stress |
Measles is a highly contagious and severe disease . Despite mass vaccination , it remains a leading cause of death in children in developing regions , killing 114 , 900 globally in 2014 . In 2006 , China committed to eliminating measles by 2012; to this end , the country enhanced its mandatory vaccination programs and ... | Measles is a highly infectious disease . Eradication of measles can nevertheless be achieved with vaccination of 90–95% of a population , as shown in theory and practice . In China , however , measles continues to infect thousands of people each year despite vaccination coverage above 95% . This conundrum challenges me... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"death",
"rates",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"labor",
"mobility",
"china",
"pathogens",
"immunology",
"geographical",
"locations",
"microbiology",
"social",
"sciences",
"viruses",
"preventive",
"medicine",
"rna... | 2017 | Geospatial characteristics of measles transmission in China during 2005−2014 |
Cell polarization toward an attractant is influenced by both physical and chemical factors . Most existing mathematical models are based on reaction-diffusion systems and only focus on the chemical process occurring during cell polarization . However , membrane tension has been shown to act as a long-range inhibitor of... | The coupling of mechanical and chemical factors has been consistently shown to regulate a variety of cellular processes such as cell polarization , migration and fate determination . However , most of the modeling work on biological systems still focuses on chemical systems . Here , we established a minimal cell polari... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"physiology",
"classical",
"mechanics",
"built",
"structures",
"laboratory",
"equipment",
"engineering",
"and",
"technology",
"laboratory",
"glassware",
"cell",
"polarity",
"membrane",
"structures",
"damage",
"mechanics",
"cellular",
"structures",
"and",
"organell... | 2017 | Exploring the inhibitory effect of membrane tension on cell polarization |
Detection of congenital T . cruzi transmission is considered one of the pillars of control programs of Chagas disease . Congenital transmission accounts for 25% of new infections with an estimated 15 , 000 infected infants per year . Current programs to detect congenital Chagas disease in Latin America utilize microsco... | Congenital Chagas disease is one of the main pillars for the control of Chagas disease because 25% of new infections occur by this route . Conventional diagnosis of congenital Chagas disease is based on microscopy at birth and serology at 9 months . However microscopy misses many infections and many at-risk infants fai... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"infectious",
"diseases",
"medicine",
"and",
"health",
"sciences",
"chagas",
"disease",
"nanoparticles",
"engineering",
"and",
"technology",
"nanotechnology",
"biology",
"and",
"life",
"sciences",
"vector-borne",
"diseases",
"pediatric",
"infections",
"protozoan",
"infect... | 2014 | Use of a Novel Chagas Urine Nanoparticle Test (Chunap) for Diagnosis of Congenital Chagas Disease |
The tradeoff between the need to suppress drug-resistant viruses and the problem of treatment toxicity has led to the development of various drug-sparing HIV-1 treatment strategies . Here we use a stochastic simulation model for viral dynamics to investigate how the timing and duration of the induction phase of inducti... | Clinicians treating HIV infection must balance the need to suppress viral replication against the harmful side effects and significant cost of antiretroviral therapy . Inadequate therapy often results in the emergence of resistant viruses and treatment failure . These difficulties are especially acute in resource-poor ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"viruses",
"infectious",
"diseases",
"mathematics",
"ecology",
"virology",
"computational",
"biology",
"homo",
"(human)"
] | 2007 | Optimal Timing and Duration of Induction Therapy for HIV-1 Infection |
Human noroviruses ( huNoV ) are the most frequent cause of non-bacterial acute gastroenteritis worldwide , particularly genogroup II genotype 4 ( GII . 4 ) variants . The viral nonstructural ( NS ) proteins encoded by the ORF1 polyprotein induce vesical clusters harboring the viral replication sites . Little is known s... | Positive-strand RNA viruses induce membrane alterations harboring the viral replication complexes . In the case of human noroviruses ( huNoV ) , the major cause of acute viral gastroenteritis , these are induced by the ORF1 polyprotein , which is post-translationally processed into the functional nonstructural ( NS ) p... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"transfection",
"medicine",
"and",
"health",
"sciences",
"vesicles",
"pathology",
"and",
"laboratory",
"medicine",
"built",
"structures",
"engineering",
"and",
"technology",
"pathogens",
"microbiology",
"viral",
"structure",
"viruses",
"rna",
"viruses",
"membrane",
"str... | 2017 | Membrane alterations induced by nonstructural proteins of human norovirus |
Human African Trypanosomiasis ( HAT ) is caused by two trypanosome sub-species , Trypanosoma brucei rhodesiense and Trypanosoma brucei gambiense . Drugs available for the treatment of HAT have significant issues related to difficult administration regimes and limited efficacy across species and disease stages . Hence ,... | Human African Sleeping Sickness ( HAT ) is a disease caused by sub-species of Trypanosoma . The disease affects developing countries within Africa , mainly occurring in rural regions that lack resources to purchase drugs for treatment . Drugs that are currently available have significant side effects , and treatment re... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"medicinal",
"chemistry",
"drugs",
"and",
"devices",
"chemistry"
] | 2012 | Identification of Compounds with Anti-Proliferative Activity against Trypanosoma brucei brucei Strain 427 by a Whole Cell Viability Based HTS Campaign |
Junín virus ( JUNV ) , the etiologic agent of Argentine hemorrhagic fever ( AHF ) , is classified by the NIAID and CDC as a Category A priority pathogen . Presently , antiviral therapy for AHF is limited to immune plasma , which is readily available only in the endemic regions of Argentina . T-705 ( favipiravir ) is a ... | Argentine hemorrhagic fever ( AHF ) is a severe and often-fatal disease caused by infection with Junín virus ( JUNV ) . Presently , there is an unmet need to develop new therapeutics to address current medical , public health and national security concerns , as JUNV is considered a potential bioterror agent amenable to... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [] | 2013 | Favipiravir (T-705) Inhibits Junín Virus Infection and Reduces Mortality in a Guinea Pig Model of Argentine Hemorrhagic Fever |
During spatial navigation , the frequency and timing of spikes from spatial neurons including place cells in hippocampus and grid cells in medial entorhinal cortex are temporally organized by continuous theta oscillations ( 6–11 Hz ) . The theta rhythm is regulated by subcortical structures including the medial septum ... | Spatial cognition in mammals depends on position-related activity in the hippocampus and entorhinal cortex . Hippocampal place cells and entorhinal grid cells carry distinct maps as rodents move around . The grid cell map is thought to measure angles and distances from previous locations using path integration , a stra... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"action",
"potentials",
"medicine",
"and",
"health",
"sciences",
"classical",
"mechanics",
"neural",
"networks",
"membrane",
"potential",
"brain",
"electrophysiology",
"neuroscience",
"simulation",
"and",
"modeling",
"precession",
"computational",
"neuroscience",
"crystallo... | 2019 | Spatial synchronization codes from coupled rate-phase neurons |
Mutations in PINK1 and Parkin cause familial , early onset Parkinson's disease . In Drosophila melanogaster , PINK1 and Parkin mutants show similar phenotypes , such as swollen and dysfunctional mitochondria , muscle degeneration , energy depletion , and dopaminergic ( DA ) neuron loss . We previously showed that PINK1... | Parkinson's disease is the most common neurodegenerative disease affecting the aging population . Clinically it manifests as tremor , muscle rigidity , slow movement , and postural instability . Parkinson's disease is a chronic disorder , and its occurrence and progression are determined by genetic backgrounds and envi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"neurological",
"disorders"
] | 2010 | Reduction of Protein Translation and Activation of Autophagy Protect against PINK1 Pathogenesis in Drosophila melanogaster |
Zika virus ( ZIKV ) , a flavivirus transmitted primarily by Aedes aegypti , has recently spread globally in an unprecedented fashion , yet we have a poor understanding of host-microbe interactions in this system . To gain insights into the interplay between ZIKV and the mosquito , we sequenced the small RNA profiles in... | Vector-borne viruses have immense impacts on human health by causing mortality and morbidity . Control of diseases caused by these viruses have mostly concentrated on vector control or inhibition of virus transmission by the vectors . This requires a thorough understanding of vector-virus interactions . In this study ,... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"and",
"discussion"
] | [
"sequencing",
"techniques",
"invertebrates",
"medicine",
"and",
"health",
"sciences",
"rna",
"interference",
"pathology",
"and",
"laboratory",
"medicine",
"gene",
"regulation",
"pathogens",
"rna",
"extraction",
"microbiology",
"animals",
"viruses",
"micrornas",
"rna",
"... | 2017 | Zika virus alters the microRNA expression profile and elicits an RNAi response in Aedes aegypti mosquitoes |
High-throughput RNA sequencing enables quantification of transcripts ( both known and novel ) , exon/exon junctions and fusions of exons from different genes . Discovery of gene fusions–particularly those expressed with low abundance– is a challenge with short- and medium-length sequencing reads . To address this chall... | Advances in sequencing technology are enabling detailed characterization of RNA transcripts from biological samples . The fundamental challenge of accurately mapping the reads on transcripts and gleaning biological meaning from the data remains . One class of transcripts , gene fusions , is particularly important in ca... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"algorithms",
"computer",
"applications",
"genome",
"analysis",
"tools",
"computer",
"science",
"genomics",
"biology",
"computational",
"biology"
] | 2012 | RNA-Seq Mapping and Detection of Gene Fusions with a Suffix Array Algorithm |
It was recently reported that the production of Reactive Oxygen Species ( ROS ) is a common mechanism of cell death induced by bactericidal antibiotics . Here we show that triggering the Escherichia coli chromosomal toxin–antitoxin system mazEF is an additional determinant in the mode of action of some antibiotics . We... | The modes of action of antibiotics are mainly characterized by the effect they have on their targets . Recently , it was reported that the formation of Reactive Oxygen Species ( ROS ) is a common downstream mechanism of antibiotics that leads to cell death—called bactericidal—while the bacteriostatic antibiotics—causin... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"biology",
"microbiology",
"chemical",
"biology",
"molecular",
"biology"
] | 2008 | The Communication Factor EDF and the Toxin–Antitoxin Module mazEF Determine the Mode of Action of Antibiotics |
The hormone auxin plays a crucial role in plant morphogenesis . In the shoot apical meristem , the PIN-FORMED1 ( PIN1 ) efflux carrier concentrates auxin into local maxima in the epidermis , which position incipient leaf or floral primordia . From these maxima , PIN1 transports auxin into internal tissues along emergen... | Computational models and functional studies using the plant Arabidopsis thaliana have led to competing models for how the PIN-FORMED1 ( PIN1 ) auxin transporter polarizes in the cell to create both the maxima required for organ initiation and the narrow streams required for vein patterning . Here we identify a previous... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"evolutionary",
"biology",
"plant",
"growth",
"and",
"development",
"plant",
"cell",
"biology",
"xylem",
"developmental",
"biology",
"plant",
"science",
"model",
"organisms",
"mathematics",
"molecular",
"genetics",
"morphogenesis",
"pattern",
"formation",
"arabidopsis",
... | 2014 | A Division in PIN-Mediated Auxin Patterning during Organ Initiation in Grasses |
Trypanosoma brucei is transmitted between mammalian hosts by the tsetse fly . In the mammal , they are exclusively extracellular , continuously replicating within the bloodstream . During this stage , the mitochondrion lacks a functional electron transport chain ( ETC ) . Successful transition to the fly , requires act... | In African trypanosomes , many of the mitochondrial mRNAs require extensive RNA editing before they can be translated . During this process , each edited transcript can undergo hundreds of cleavage/ligation events as U-residues are inserted or deleted to generate a translatable open reading frame . A major paradox has ... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"messenger",
"rna",
"parasitic",
"protozoans",
"trypanosoma",
"brucei",
"mutation",
"trypanosoma",
"brucei",
"gambiense",
"protozoans",
"genome",
"analysis",
"nonsense",
"mutation",
"mitochondria",
"bioenergetics",
"cellular",
"structures",
"and",
"organelles",
"research",
... | 2017 | Mitochondrial dual-coding genes in Trypanosoma brucei |
To determine whether the distinctive features of Caenorhabditis elegans chromosomal organization are shared with the C . briggsae genome , we constructed a single nucleotide polymorphism–based genetic map to order and orient the whole genome shotgun assembly along the six C . briggsae chromosomes . Although these speci... | The importance of chromosomal organization in the fitness of a species is only poorly understood . The publication of the C . elegans genome sequence in 1998 revealed features of higher level organization that suggested its chromosomes were organized into distinct domains . Chromosome arms were accumulating changes mor... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods",
"Supporting",
"Information"
] | [
"caenorhabditis",
"computational",
"biology",
"molecular",
"biology",
"genetics",
"and",
"genomics"
] | 2007 | Comparison of C. elegans and C. briggsae Genome Sequences Reveals Extensive Conservation of Chromosome Organization and Synteny |
Type 1 diabetes ( T1D ) is a chronic multi-factorial disorder characterized by the immune-mediated destruction of insulin-producing pancreatic beta cells . Variations at a large number of genes influence susceptibility to spontaneous autoimmune T1D in non-obese diabetic ( NOD ) mice , one of the most frequently studied... | The complex interplay of environmental factors and genetic traits determines the susceptibility of an individual to autoimmune disease such as type 1 diabetes ( T1D ) . Despite T1D being one of the most common and most studied polygenic autoimmune disorders , the mechanisms underlying the immune-mediated destruction of... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"blood",
"cells",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"immune",
"physiology",
"spleen",
"immunology",
"cloning",
"bone",
"marrow",
"cells",
"diabetes",
"mellitus",
"endocrine",
"disorders",
"lymph",
"nodes",
"lymphatic",
"system",
"molecular",
... | 2019 | Genetic and functional data identifying Cd101 as a type 1 diabetes (T1D) susceptibility gene in nonobese diabetic (NOD) mice |
Polycomb group ( PcG ) proteins are part of a conserved cell memory system that conveys epigenetic inheritance of silenced transcriptional states through cell division . Despite the considerable amount of information about PcG mechanisms controlling gene silencing , how PcG proteins maintain repressive chromatin during... | During embryonic development , pluripotent cells divide and use their potential to differentiate into a variety of cells with identical genomes but different phenotypes . The emerging concept suggests that the DNA sequence information is not the sole determinant of cell identity . Indeed , epigenetic mechanisms , actin... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"molecular",
"cell",
"biology",
"genetics",
"epigenetics",
"biology",
"genetics",
"and",
"genomics"
] | 2011 | PcG Complexes Set the Stage for Epigenetic Inheritance of Gene Silencing in Early S Phase before Replication |
Transposable elements ( TEs ) are obligate genetic parasites that propagate in host genomes by replicating in germline nuclei , thereby ensuring transmission to offspring . This selfish replication not only produces deleterious mutations—in extreme cases , TE mobilization induces genotoxic stress that prohibits the pro... | Transposable elements ( TEs ) , or “jumping genes , ” are mobile fragments of selfish DNA that leave deleterious mutations and DNA damage in their wake as they spread through host genomes . Their harmful effects are known to select for resistance by the host , in which the propagation of TEs is regulated and reduced . ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"invertebrates",
"medicine",
"and",
"health",
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"reproductive",
"system",
"pathology",
"and",
"laboratory",
"medicine",
"quantitative",
"trait",
"loci",
"atrophy",
"alleles",
"invertebrate",
"genomics",
"animals",
"genetic",
"mapping",
"animal",
"models",
"dro... | 2018 | QTL mapping of natural variation reveals that the developmental regulator bruno reduces tolerance to P-element transposition in the Drosophila female germline |
The bacterial pathogen Neisseria gonorrhoeae ( Gc ) infects mucosal sites rich in antimicrobial proteins , including the bacterial cell wall-degrading enzyme lysozyme . Certain Gram-negative bacteria produce protein inhibitors that bind to and inhibit lysozyme . Here , we identify Ng_1063 as a new inhibitor of lysozyme... | The mucosal pathogen Neisseria gonorrhoeae has acquired resistance to almost all recommended antibiotics , and no gonorrhea vaccine currently exists . Attractive targets for therapeutic discovery include bacterial factors that , when inactivated , enhance bacterial susceptibility to host-derived antimicrobial component... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"blood",
"cells",
"blood",
"serum",
"complement",
"system",
"medicine",
"and",
"health",
"sciences",
"immune",
"physiology",
"immune",
"cells",
"pathology",
"and",
"laboratory",
"medicine",
"body",
"fluids",
"pathogens",
"immunology",
"microbiology",
"pseudomonas",
"a... | 2018 | Neisseria gonorrhoeae employs two protein inhibitors to evade killing by human lysozyme |
In bacterial genomes composed of more than one chromosome , one replicon is typically larger , harbors more essential genes than the others , and is considered primary . The greater variability of secondary chromosomes among related taxa has led to the theory that they serve as an accessory genome for specific niches o... | Why many bacteria have multiple chromosomes is largely unknown , but a leading hypothesis is that secondary chromosomes evolved from plasmids and now serve as accessory genomes . We tested a key prediction of this theory that genes on secondary chromosomes should evolve faster because they are under less selective cons... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"computational",
"biology/population",
"genetics",
"genetics",
"and",
"genomics/microbial",
"evolution",
"and",
"genomics",
"evolutionary",
"biology/microbial",
"evolution",
"and",
"genomics",
"evolutionary",
"biology/evolutionary",
"and",
"comparative",
"genetics",
"microbiolo... | 2010 | Why Genes Evolve Faster on Secondary Chromosomes in Bacteria |
We conducted a systematic literature review with indirect comparison of studies evaluating therapeutic efficacy and toxicity associated to visceral leishmaniasis ( VL ) therapy among HIV infected individuals . The outcomes of interest were clinical and parasitological cure , mortality , and adverse events . PRISMA guid... | In co-infection with HIV/AIDS , visceral leishmaniasis ( VL ) most often results in an unfavorable response to treatment , frequent relapses , and in premature deaths . Scarce data is available regarding the treatment of leishmaniasis in HIV-infected patients ( VL-HIV ) . Despite this , clinical decisions must be made ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"sexually",
"transmitted",
"diseases",
"aids",
"leishmaniasis",
"neglected",
"tropical",
"diseases"
] | 2013 | Efficacy of Anti-Leishmania Therapy in Visceral Leishmaniasis among HIV Infected Patients: A Systematic Review with Indirect Comparison |
Host immune responses against infectious pathogens exert strong selective pressures favouring the emergence of escape mutations that prevent immune recognition . Escape mutations within or flanking functionally conserved epitopes can occur at a significant cost to the pathogen in terms of its ability to replicate effec... | Viruses , such as HIV , are able to evade host immune responses through escape mutations , yet sometimes they do so at a cost . This cost is the reduction in the ability of the virus to replicate , and thus selective pressure exists for a virus to revert to its original state in the absence of the host immune response ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"computational",
"biology/evolutionary",
"modeling",
"virology/immune",
"evasion"
] | 2008 | Frequent Toggling between Alternative Amino Acids Is Driven by Selection in HIV-1 |
Salinity is a major factor limiting crop productivity . Rice ( Oryza sativa ) , a staple crop for the majority of the world , is highly sensitive to salinity stress . To discover novel sources of genetic variation for salt tolerance-related traits in rice , we screened 390 diverse accessions under 14 days of moderate (... | Despite intensive research , few genes have been identified that underlie natural variation for salinity responses in rice . In this study , we used a rice diversity panel for genome wide association mapping to identify HKT1;1 as a factor regulating Na+ distribution . Within the rice diversity panel we observed higher ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"oryza",
"quantitative",
"trait",
"loci",
"plant",
"growth",
"and",
"development",
"vertebrates",
"animals",
"genetic",
"mapping",
"xenopus",
"animal",
"models",
"developmental",
"biology",
"plant",
"science",
"rice",
"model",
"organisms",
"amphibians",
"experimental",
... | 2017 | Allelic variants of OsHKT1;1 underlie the divergence between indica and japonica subspecies of rice (Oryza sativa) for root sodium content |
Structural genetic changes , especially copy number variants ( CNVs ) , represent a major source of genetic variation contributing to human disease . Tetralogy of Fallot ( TOF ) is the most common form of cyanotic congenital heart disease , but to date little is known about the role of CNVs in the etiology of TOF . Usi... | Congenital heart disease affects nearly 1% of all live births . Tetralogy of Fallot ( TOF ) is the most common form of cyanotic congenital heart disease . This condition is associated with hemizygous deletions of chromosome 22q11 . 2 and chromosomal trisomies , but little else is known about the genetic heterogeneity o... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"clinical",
"genetics",
"chromosomal",
"disorders",
"chromosomal",
"deletions",
"and",
"duplications",
"genetics",
"and",
"genomics",
"congenital",
"heart",
"disease",
"cardiovascular"
] | 2012 | Rare Copy Number Variations in Adults with Tetralogy of Fallot Implicate Novel Risk Gene Pathways |
By binding to the adaptor protein SKP1 and serving as substrate receptors for the SKP1 Cullin , F-box E3 ubiquitin ligase complex , F-box proteins regulate critical cellular processes including cell cycle progression and membrane trafficking . While F-box proteins are conserved throughout eukaryotes and are well studie... | Toxoplasma gondii is a protozoan parasite that can cause devastating and life-threatening disease in immunocompromised patients and in fetuses . Its replication is important to study because parasite growth is responsible for the pathology that develops in toxoplasmosis patients . The parasite replicates by a unique pr... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"parasite",
"groups",
"centrosomes",
"microtubules",
"parasite",
"replication",
"parasitic",
"cell",
"cycles",
"parasitic",
"protozoans",
"parasitology",
"membrane",
"proteins",
"developmental",
"biology",
"apicomplexa",
"protozoans",
"toxoplasma",
"sequence",
"motif",
"ana... | 2019 | Toxoplasma F-box protein 1 is required for daughter cell scaffold function during parasite replication |
Multivariate decoding methods , such as multivoxel pattern analysis ( MVPA ) , are highly effective at extracting information from brain imaging data . Yet , the precise nature of the information that MVPA draws upon remains controversial . Most current theories emphasize the enhanced sensitivity imparted by aggregatin... | A central challenge in cognitive neuroscience is decoding mental representations from patterns of brain activity . With functional magnetic resonance imaging ( fMRI ) , multivariate decoding methods like multivoxel pattern analysis ( MVPA ) have produced numerous discoveries about the brain . However , what information... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"statistical",
"noise",
"diagnostic",
"radiology",
"functional",
"magnetic",
"resonance",
"imaging",
"engineering",
"and",
"technology",
"signal",
"processing",
"neuroscience",
"magnetic",
"resonance",
"imaging",
"simulation",
"and... | 2017 | Noise correlations in the human brain and their impact on pattern classification |
High rates of error-prone replication result in the rapid accumulation of genetic diversity of RNA viruses . Recent studies suggest that mutation rates are selected for optimal viral fitness and that modest variations in replicase fidelity may be associated with viral attenuation . Arthropod-borne viruses ( arboviruses... | West Nile virus ( WNV ) is the most geographically widespread arthropod-borne virus ( arbovirus ) in the world . Like most arboviruses , WNV is a RNA virus which is highly mutable and exists in nature as genetically diverse mutant swarms . Although many recent studies have investigated the relationship between virus mu... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | Sequence-Specific Fidelity Alterations Associated with West Nile Virus Attenuation in Mosquitoes |
The sterol sensor SCAP is a key regulator of SREBP-2 , the major transcription factor controlling cholesterol synthesis . Recently , we showed that there is a global down-regulation of cholesterol synthetic genes , as well as SREBP-2 , in the brains of diabetic mice , leading to a reduction of cholesterol synthesis . W... | Diabetes is associated with an increased risk of Alzheimer disease , depression , and cognitive decline , but the causal link underlying these associations is unclear . We previously showed that in diabetic mice there is a reduction in brain synthesis of cholesterol , which is required for normal formation of synapses ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biochemistry",
"lipids",
"central",
"nervous",
"system",
"synapses",
"diabetic",
"endocrinology",
"endocrine",
"system",
"biology",
"neurological",
"system",
"anatomy",
"and",
"physiology",
"neuroscience",
"lipid",
"metabolism",
"animal",
"cognition"
] | 2013 | Reduction of the Cholesterol Sensor SCAP in the Brains of Mice Causes Impaired Synaptic Transmission and Altered Cognitive Function |
DNA interstrand crosslinks ( ICLs ) are toxic lesions that block the progression of replication and transcription . CtIP is a conserved DNA repair protein that facilitates DNA end resection in the double-strand break ( DSB ) repair pathway . Here we show that CtIP plays a critical role during initiation of ICL processi... | One of the most lethal forms of DNA damage is the interstrand crosslink ( ICL ) . An ICL is a chemical bridge between two nucleotides on complementary strands of DNA . An unrepaired ICL is toxic because it poses an unsurpassable block to DNA replication and transcription . Certain forms of cancer treatment exploit the ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"biology",
"molecular",
"cell",
"biology",
"genetics",
"and",
"genomics"
] | 2012 | CtIP Is Required to Initiate Replication-Dependent Interstrand Crosslink Repair |
Determining how facultative anaerobic organisms sense and direct cellular responses to electron acceptor availability has been a subject of intense study . However , even in the model organism Escherichia coli , established mechanisms only explain a small fraction of the hundreds of genes that are regulated during elec... | All heterotrophic organisms must balance the deployment of consumed carbon compounds between growth and the generation of energy . These two competing objectives have been shown , both computationally and experimentally , to exist as the principal dimensions of the function of metabolic networks . Each of these dimensi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"biotechnology",
"applied",
"microbiology",
"systems",
"biology",
"biochemistry",
"computer",
"and",
"information",
"sciences",
"industrial",
"microbiology",
"network",
"analysis",
"metabolic",
"pathways",
"microbial",
"control",
"biology",
"and",
"life",
"sciences",
"met... | 2014 | Determining the Control Circuitry of Redox Metabolism at the Genome-Scale |
The calcium-gated potassium channel SLO-1 in Caenorhabditis elegans was recently identified as key component for action of emodepside , a new anthelmintic drug with broad spectrum activity . In this study we identified orthologues of slo-1 in Ancylostoma caninum , Cooperia oncophora , and Haemonchus contortus , all imp... | In parasitic nematodes , experiments at the molecular level are currently not feasible , since in vitro culture and genetic engineering are still in their infancy . In the present study we chose the model organism Caenorhabditis elegans not only as a mere expression system for genes from parasitic nematodes , but used ... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"pharmacology/drug",
"development",
"infectious",
"diseases/helminth",
"infections",
"microbiology/parasitology",
"infectious",
"diseases/antimicrobials",
"and",
"drug",
"resistance"
] | 2011 | SLO-1-Channels of Parasitic Nematodes Reconstitute Locomotor Behaviour and Emodepside Sensitivity in Caenorhabditis elegans slo-1 Loss of Function Mutants |
Tick-borne diseases are increasing all over the word , including Turkey . The aim of this study was to determine the bacterial and protozoan vector-borne pathogens in ticks infesting humans in the Corum province of Turkey . From March to November 2014 a total of 322 ticks were collected from patients who attended the l... | Ticks are important vectors for different kind of pathogens , both of medical and veterinary importance , while tick-borne diseases ( TBDs ) are increasing all over the world . In Turkey , many important human and zoonotic TBDs such as , Lyme borreliosis , rickettsiosis , anaplasmosis , ehrlichiosis , tularemia , barto... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"taxonomy",
"invertebrates",
"medicine",
"and",
"health",
"sciences",
"parasite",
"groups",
"ixodes",
"pathology",
"and",
"laboratory",
"medicine",
"pathogens",
"microbiology",
"vertebrates",
"animals",
"rickettsia",
"parasitology",
"parasitic",
"protozoans",
"mammals",
"... | 2018 | Bacterial and protozoal pathogens found in ticks collected from humans in Corum province of Turkey |
Erythema nodosum leprosum ( ENL ) is a common immune-mediated complication of lepromatous ( LL ) and borderline lepromatous ( BL ) leprosy . Most patients experience chronic or multiple acute ENL over many years during an economically active period of their lives . Understanding the economic burden of ENL is essential ... | Erythema nodosum leprosum ( ENL ) is a common complication of leprosy and an important cause of nerve damage and disability . In most cases , ENL causes chronic or recurrent episodes of ill-health over many years . In this study , we show that having a family member affected by ENL places considerable financial burden ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | Household Costs of Leprosy Reactions (ENL) in Rural India |
One hallmark of pathogenic yersiniae is their ability to rapidly adjust their life-style and pathogenesis upon host entry . In order to capture the range , magnitude and complexity of the underlying gene control mechanisms we used comparative RNA-seq-based transcriptomic profiling of the enteric pathogen Y . pseudotube... | Many bacterial pathogens cycle between environmental sources and mammalian hosts . Adaptation to the different natural habitats and host niches is achieved through complex regulatory networks which adjust synthesis of the large repertoire of crucial virulence factors and fitness determinants . To uncover underlying con... | [
"Abstract",
"Introduction",
"Results",
"and",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Transcriptomic Profiling of Yersinia pseudotuberculosis Reveals Reprogramming of the Crp Regulon by Temperature and Uncovers Crp as a Master Regulator of Small RNAs |
The molecular mechanism by which non-enveloped viruses penetrate biological membranes remains enigmatic . The non-enveloped polyomavirus SV40 penetrates the endoplasmic reticulum ( ER ) membrane to reach the cytosol and cause infection . We previously demonstrated that SV40 creates its own membrane penetration structur... | Polyomavirus ( PyV ) is a non-enveloped DNA tumor virus that causes debilitating human diseases especially in immunocompromised individuals . At the cellular level , PyVs such as the simian PyV SV40 must enter a host cell and penetrate the ER membrane to reach the cytosol in order to cause infection . Prior to ER membr... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"sv40",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"molecular",
"probe",
"techniques",
"gene",
"regulation",
"pathogens",
"endoplasmic",
"reticulum",
"cell",
"processes",
"microbiology",
"immunoblotting",
"viruses",
"membrane",
... | 2017 | Regulated Erlin-dependent release of the B12 transmembrane J-protein promotes ER membrane penetration of a non-enveloped virus |
DNA hydroxymethylation has recently been shown to play critical roles in regulating gene expression and terminal differentiation events in a variety of developmental contexts . However , little is known about its function during eye development . Methylcytosine dioxygenases of the Tet family convert 5-methylcytosine ( ... | Tet enzymes function to convert methylated cytosines ( 5mC ) to hydroxymethylated cytosines ( 5hmC ) , an epigenetic mark associated with active transcription or as a precursor to demethylation . Here , we generated zebrafish tet2-/-;tet3-/- mutants , which are deficient in the ability to convert 5mC to 5hmC . We ident... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"&",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"neuronal",
"differentiation",
"ocular",
"anatomy",
"neuroscience",
"cell",
"differentiation",
"developmental",
"biology",
"optic",
"nerve",
"ganglion",
"cells",
"epigenetics",
"dna",
"embryos",
"chromatin",
"dna",
"methylation",
... | 2017 | Tet-mediated DNA hydroxymethylation regulates retinal neurogenesis by modulating cell-extrinsic signaling pathways |
Lujo virus ( LUJV ) , a new member of the family Arenaviridae and the first hemorrhagic fever–associated arenavirus from the Old World discovered in three decades , was isolated in South Africa during an outbreak of human disease characterized by nosocomial transmission and an unprecedented high case fatality rate of 8... | In September and October 2008 , five cases of undiagnosed hemorrhagic fever , four of them fatal , were recognized in South Africa after air transfer of a critically ill index case from Zambia . Serum and tissue samples from victims were subjected to unbiased pyrosequencing , yielding within 72 hours of sample receipt ... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"virology/diagnosis",
"virology/emerging",
"viral",
"diseases",
"public",
"health",
"and",
"epidemiology/epidemiology",
"infectious",
"diseases/viral",
"infections",
"public",
"health",
"and",
"epidemiology/infectious",
"diseases",
"public",
"health",
"and",
"epidemiology/nosoc... | 2009 | Genetic Detection and Characterization of Lujo Virus, a New Hemorrhagic Fever–Associated Arenavirus from Southern Africa |
Integration into the nuclear genome of germ line cells can lead to vertical inheritance of retroviral genes as host alleles . For other viruses , germ line integration has only rarely been documented . Nonetheless , we identified endogenous viral elements ( EVEs ) derived from ten non-retroviral families by systematic ... | The presence of retrovirus sequences in animal genomes has been recognized since the 1970s , but is readily explained by the fact that these viruses integrate into chromosomal DNA as part of their normal replication cycle . Unexpectedly , however , we identified a large and diverse population of sequences in animal gen... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"virology/virus",
"evolution",
"and",
"symbiosis",
"evolutionary",
"biology/paleontology",
"computational",
"biology/genomics"
] | 2010 | Endogenous Viral Elements in Animal Genomes |
Heterogametic sex chromosomes have evolved independently in various lineages of vertebrates . Such sex chromosome pairs often contain nonrecombining regions , with one of the chromosomes harboring a master sex-determining ( SD ) gene . It is hypothesized that these sex chromosomes evolved from a pair of autosomes that ... | Diverse systems of sex determination have evolved independently in the animal and plant kingdoms . In vertebrates , so far four master sex-determining ( SD ) genes , Sry , Dmrt1 , Dmy , and Dm-W , have been identified . These genes code for transcription factors and are located on only one of the sex chromosomes surrou... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"genomics",
"genetic",
"mutation",
"functional",
"genomics",
"genome",
"evolution",
"genomic",
"evolution",
"genetics",
"molecular",
"genetics",
"biology",
"evolutionary",
"biology",
"comparative",
"genomics",
"evolutionary",
"genetics",
"genetics",
"and",
"genomics"
] | 2012 | A Trans-Species Missense SNP in Amhr2 Is Associated with Sex Determination in the Tiger Pufferfish, Takifugu rubripes (Fugu) |
While phosphotyrosine modification is an established regulatory mechanism in eukaryotes , it is less well characterized in bacteria due to low prevalence . To gain insight into the extent and biological importance of tyrosine phosphorylation in Escherichia coli , we used immunoaffinity-based phosphotyrosine peptide enr... | While phosphotyrosine modification is established in eukaryote cell signaling , it is less characterized in bacteria . Despite that deletion of bacterial tyrosine kinases is known to affect various cellular functions and virulence of bacterial pathogens , few phosphotyrosine proteins are currently known . To gain insig... | [
"Abstract",
"Introduction",
"Results",
"Discussion"
] | [
"biology"
] | 2013 | The Escherichia coli Phosphotyrosine Proteome Relates to Core Pathways and Virulence |
Toll-like receptors ( TLR ) are important in recognizing microbial pathogens and triggering host innate immune responses , including autophagy , and in the mediation of immune activation during human immunodeficiency virus type-1 ( HIV ) infection . We report here that TLR8 activation in human macrophages induces the e... | Cells use macroautophagy ( autophagy - ‘self-eating’ , lysosome-dependent degradation and recycling of intracellular components in response to stress ) as a mechanism to detect intracellular pathogens through pattern-recognition receptors such as Toll-like receptors ( TLRs ) that recognize signature molecules of pathog... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"cellular",
"stress",
"responses",
"microbiology",
"immunodeficiency",
"viruses",
"infectious",
"diseases",
"medical",
"microbiology",
"hiv",
"microbial",
"pathogens",
"biology",
"pathogenesis",
"cell",
"biology",
"immunity",
"virology",
"innate",
"immunity",
... | 2012 | Toll-Like Receptor 8 Ligands Activate a Vitamin D Mediated Autophagic Response that Inhibits Human Immunodeficiency Virus Type 1 |
Neurons in different layers of sensory cortex generally have different functional properties . But what determines firing rates and tuning properties of neurons in different layers ? Orientation selectivity in primary visual cortex ( V1 ) is an interesting case to study these questions . Thalamic projections essentiall... | Understanding the precise roles of neuronal sub-populations in shaping the activity of networks is a fundamental objective of neuroscience research . In complex neuronal network structures like the neocortex , the relation between the connectome and the algorithm implemented in it is often not self-explaining . To this... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"action",
"potentials",
"medicine",
"and",
"health",
"sciences",
"neural",
"networks",
"membrane",
"potential",
"brain",
"electrophysiology",
"neuroscience",
"mathematics",
"algebra",
"network",
"analysis",
"computational",
"neuroscience",
"neuronal",
"tuning",
"computer",
... | 2019 | Propagation of orientation selectivity in a spiking network model of layered primary visual cortex |
Malaria parasite infection is initiated by the mosquito-transmitted sporozoite stage , a highly motile invasive cell that targets hepatocytes in the liver for infection . A promising approach to developing a malaria vaccine is the use of proteins located on the sporozoite surface as antigens to elicit humoral immune re... | Malaria remains one of the most important infectious diseases in the world , responsible for an estimated 500 million new cases and 600 , 000 deaths annually . The etiologic agents of the disease are protozoan parasites of the genus Plasmodium that have a complex cycle between mosquito and mammalian hosts . Though all ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"parasite",
"groups",
"medicine",
"and",
"health",
"sciences",
"plasmodium",
"immunology",
"parasitic",
"diseases",
"parasitology",
"membrane",
"proteins",
"vaccines",
"preventive",
"medicine",
"apicomplexa",
"chaperone",
"proteins",
"vaccination",
"and",
"immunization",
... | 2016 | Interrogating the Plasmodium Sporozoite Surface: Identification of Surface-Exposed Proteins and Demonstration of Glycosylation on CSP and TRAP by Mass Spectrometry-Based Proteomics |
Previous analysis of Epstein-Barr virus ( EBV ) persistent infection has involved biological and immunological studies to identify and quantify infected cell populations and the immune response to them . This led to a biological model whereby EBV infects and activates naive B-cells , which then transit through the germ... | Epstein-Barr virus ( EBV ) is a herpesvirus that establishes a lifelong persistent infection in virtually all human beings . This infection is a risk factor for the subsequent development of certain tumors and possibly also autoimmune diseases . In order to understand the origin of these diseases , it is necessary to f... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [] | 2013 | The Cycle of EBV Infection Explains Persistence, the Sizes of the Infected Cell Populations and Which Come under CTL Regulation |
The majority of broadly neutralizing antibodies to hepatitis C virus ( HCV ) are against conformational epitopes on the E2 glycoprotein . Many of them recognize overlapping epitopes in a cluster , designated as antigenic domain B , that contains residues G530 and D535 . To gain information on other regions that will be... | Hepatitis C virus ( HCV ) is a highly diverse virus and a significant challenge for vaccine development is to identify protective epitopes conserved in the majority of viral genotypes and subtypes . This problem is compounded by the fact that the envelope E1E2 proteins , the targets for neutralizing antibody response ,... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"hepatitis",
"c",
"medicine",
"infectious",
"diseases",
"hepatitis",
"viral",
"diseases"
] | 2012 | Human Monoclonal Antibodies to a Novel Cluster of Conformational Epitopes on HCV E2 with Resistance to Neutralization Escape in a Genotype 2a Isolate |
Dark-grown seedlings exhibit skotomorphogenic development . Genetic and molecular evidence indicates that a quartet of Arabidopsis Phytochrome ( phy ) -Interacting bHLH Factors ( PIF1 , 3 , 4 , and 5 ) are critically necessary to maintaining this developmental state and that light activation of phy induces a switch to ... | An important issue in understanding mechanisms of eukaryotic transcriptional regulation is how members of large transcription-factor families , with conserved DNA–binding domains ( such as the 162-member Arabidopsis bHLH family ) , discriminate between target genes . However , the specific question of whether , and to ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genome",
"expression",
"analysis",
"plant",
"growth",
"and",
"development",
"plant",
"biology",
"dna-binding",
"proteins",
"dna",
"transcription",
"plant",
"science",
"plant",
"genomics",
"seedlings",
"plants",
"proteins",
"gene",
"expression",
"plant",
"genetics",
"... | 2013 | A Quartet of PIF bHLH Factors Provides a Transcriptionally Centered Signaling Hub That Regulates Seedling Morphogenesis through Differential Expression-Patterning of Shared Target Genes in Arabidopsis |
The increasingly complex and rapid transmission dynamics of many infectious diseases necessitates the use of new , more advanced methods for surveillance , early detection , and decision-making . Here , we demonstrate that a new method for optimizing surveillance networks can improve the quality of epidemiological info... | Public health agencies use surveillance systems to detect and monitor chronic and infectious diseases . These systems often rely on data sources that are chosen based on loose guidelines or out of convenience . In this paper , we introduce a new , data-driven method for designing and improving surveillance systems . Ou... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"infectious",
"diseases",
"public",
"health",
"and",
"epidemiology",
"epidemiology",
"infectious",
"disease",
"epidemiology",
"influenza",
"viral",
"diseases",
"epidemiological",
"methods",
"disease",
"informatics"
] | 2012 | Optimizing Provider Recruitment for Influenza Surveillance Networks |
Ovules contain the female gametophytes which are fertilized during pollination to initiate seed development . Thus , the number of ovules that are produced during flower development is an important determinant of seed crop yield and plant fitness . Mutants with pleiotropic effects on development often alter the number ... | Ovules are the precursors of seeds in flowering plants . Each ovule contains an egg cell and a central cell that fuse with two sperm cells during double fertilization to generate seeds containing an embryo and endosperm . The number of ovules produced during flower development determines the maximum number of seeds tha... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"genome-wide",
"association",
"studies",
"plant",
"anatomy",
"plant",
"growth",
"and",
"development",
"plant",
"embryo",
"anatomy",
"ovules",
"brassica",
"pollen",
"developmental",
"biology",
"regulator",
"genes",
"plant",
"science",
"model",
"organisms",
"experimental"... | 2019 | A genome-wide association study reveals a novel regulator of ovule number and fertility in Arabidopsis thaliana |
Many animals , including humans , rely on active tactile sensing to explore the environment and negotiate obstacles , especially in the dark . Here , we model a descending neural pathway that mediates short-latency proprioceptive information from a tactile sensor on the head to thoracic neural networks . We studied the... | Many nocturnal and burrowing animals rely on their tactile sense to explore the surrounding space , and tactile cues are often used to adapt locomotion to a structurally complex environment . Most mammals use facial whiskers for active tactile exploration , while most insects use their antennae . Since whiskers and ant... | [
"Abstract",
"Introduction",
"Material",
"and",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | A Computational Model of a Descending Mechanosensory Pathway Involved in Active Tactile Sensing |
American Tegumentary Leishmaniasis ( ATL ) caused by Leishmania braziliensis is endemic in Corte de Pedra , Northeast Brazil . Most L . braziliensis infections manifest as localized cutaneous leishmaniasis ( CL ) . Disseminated manifestations include mucosal leishmaniasis ( ML ) , present at a low constant level for se... | American tegumentary leishmaniasis ( ATL ) caused by Leishmania braziliensis is characterized by lesions to the skin and/or mucosal surfaces of the oropharynx . It is widely distributed in endemic regions of northeast Brazil and has been difficult to control . Three common clinical forms of L . braziliensis infections ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
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"and",
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"medicine",
"population",
"dynamics",
"tropical",
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"geographical",
"locations",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"protozoans",
"signs",
"and",
"symptoms",
"leishmania"... | 2017 | Dynamics of American tegumentary leishmaniasis in a highly endemic region for Leishmania (Viannia) braziliensis infection in northeast Brazil |
To reduce expression of gene products not required under stress conditions , eukaryotic cells form large and complex cytoplasmic aggregates of RNA and proteins ( stress granules; SGs ) , where transcripts are kept translationally inert . The overall composition of SGs , as well as their assembly requirements and regula... | When cells encounter harsh conditions , they face an energy crisis since the stress will reduce their energy production , and at the same time cause extra demands on energy expenditure . To tackle this dilemma , cells under stress form giant agglomerates of RNA and protein , called stress granules . In these , mRNA mol... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biochemistry",
"rna",
"signal",
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"cellular",
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"rna",
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"cell",
"biology",
"protein",
"translation",
"gene",
"expression",
"genetics",
"biology",
"and",
"life",
"sciences",
"cell",
"processes",
"rna",
"stability"
] | 2014 | Stress Granule-Defective Mutants Deregulate Stress Responsive Transcripts |
There is a pressing need for drug discovery against visceral leishmaniasis , a life-threatening protozoal infection , as the available chemotherapy is antiquated and not bereft of side effects . Plants as alternate drug resources has rewarded mankind in the past and aimed in this direction , we investigated the antilei... | Leishmaniasis encompasses a broad spectrum of vector-borne neglected tropical diseases with significant worldwide health impact , ranging from the self-healing cutaneous lesions to stigmatizing and disfiguring skin ulcers ( mucocutaneous ) , and the systemic visceral manisfestations ( kala azar or visceral leishmaniasi... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"blood",
"cells",
"cell",
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"medicine",
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"cells",
"immune",
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"cell",
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"tropical",
"diseases",
"microbiology",
"vertebrates",
"immunology",
"parasitic",
"diseases",
"protozoan",
"life",
"cy... | 2019 | Cinnamomum cassia exhibits antileishmanial activity against Leishmania donovani infection in vitro and in vivo |
The availability of highly susceptible HIV target cells that can rapidly reach the mucosal lymphoid tissues may increase the chances of an otherwise rare transmission event to occur . Expression of α4β7 is required for trafficking of immune cells to gut inductive sites where HIV can expand and it is expressed at high l... | Understanding the factors that correlate with an increased risk of acquiring HIV infection is key to identify new means of preventing HIV transmission . HSV-2 infection increases the risk of HIV transmission even in absence of visible lesions and inflammation . In order to explore HSV-2− associated factors that could e... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"viruses",
"immunodeficiency",
"viruses",
"medical",
"microbiology",
"hiv",
"viral",
"pathogens",
"microbial",
"pathogens",
"biology",
"and",
"life",
"sciences",
"microbiology",
"organisms",
"siv"
] | 2014 | HSV-2-Driven Increase in the Expression of α4β7 Correlates with Increased Susceptibility to Vaginal SHIVSF162P3 Infection |
The biological actions of steroid hormones are mediated primarily by their cognate nuclear receptors , which serve as steroid-dependent transcription factors . However , steroids can also execute their functions by modulating intracellular signaling cascades rapidly and independently of transcriptional regulation . Des... | The brain is a prominent target of steroid hormones , which control a variety of neurobiological processes and are critical to the regulation of behavior . Some effects of these hormones involve changes in gene expression and thus emerge slowly , over the course of hours or even days . Other responses to steroids occur... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2013 | A Novel Role for Ecdysone in Drosophila Conditioned Behavior: Linking GPCR-Mediated Non-canonical Steroid Action to cAMP Signaling in the Adult Brain |
Paracoccidioidomycosis ( PCM ) is a systemic mycosis , endemic in most Latin American countries , especially in Brazil . It is caused by the thermo-dimorphic fungus of the genus Paracoccidioides ( Paracoccidioides brasiliensis and Paracoccidioides lutzii ) . Innate immune response plays a crucial role in host defense a... | Paracoccidioidomycosis ( PCM ) is an infectious disease caused by fungi of genus Paracoccidioides ( P . brasiliensis and P . lutzii ) . PCM is endemic in Latin America , with a greater incidence in Brazil , Colombia , and Argentina . Over the last years , studies are focusing on neutrophils’ ( PMNs ) actions against P ... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | Neutrophil Extracellular Traps Identification in Tegumentary Lesions of Patients with Paracoccidioidomycosis and Different Patterns of NETs Generation In Vitro |
Granulomas are complex lung lesions that are the hallmark of tuberculosis ( TB ) . Understanding antibiotic dynamics within lung granulomas will be vital to improving and shortening the long course of TB treatment . Three fluoroquinolones ( FQs ) are commonly prescribed as part of multi-drug resistant TB therapy: moxif... | Tuberculosis ( TB ) is caused by infection with the bacterium Mycobacterium tuberculosis ( Mtb ) and kills 1 . 5 million people each year . TB requires at least 6 months of treatment with up to four drugs , and is characterized by formation of granulomas in patient lungs . Granulomas are spherical collections of host c... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"blood",
"cells",
"antimicrobials",
"medicine",
"and",
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"immune",
"cells",
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"and",
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"medicine",
"intracellular",
"pathogens",
"granulomas",
"pathogens",
"drugs",
"immunology",
"microbiology",
"rabbits",
"ve... | 2017 | Comparing efficacies of moxifloxacin, levofloxacin and gatifloxacin in tuberculosis granulomas using a multi-scale systems pharmacology approach |
Noncoding RNAs ( ncRNAs ) are emerging as key regulators of cellular function . We have exploited the recently developed barcoded ncRNA gene deletion strain collections in the yeast Saccharomyces cerevisiae to investigate the numerous ncRNAs in yeast with no known function . The ncRNA deletion collection contains delet... | Genomes from different organisms produce noncoding RNAs that are not translated to make proteins and whose functions are largely unknown . There are approximately 2 , 000 noncoding RNAs that make up almost 25% of the yeast genome compared to the approximately 6 , 000 protein coding genes that make up 70% of the yeast g... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"transfer",
"rna",
"small",
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"rnas",
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"gene",
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"fungi",
"model",
"organisms",
"non-coding",
"rna",
"untranslated",
"regions",
"experimental",
"organism",
"systems",
"p... | 2018 | Large-scale profiling of noncoding RNA function in yeast |
SUMO-specific protease 2 ( SENP2 ) modifies proteins by removing SUMO from its substrates . Although SUMO-specific proteases are known to reverse sumoylation in many defined systems , their importance in mammalian development and pathogenesis remains largely elusive . Here we report that SENP2 is highly expressed in tr... | Genome replication is essential for both expansion of stem cell numbers through mitosis and their maturation into certain specialized cell types through endoreduplication , a unique mechanism for multiplying chromosomes without dividing the cell . An important function of p53 as a guardian of the genome ensures that th... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology",
"cell",
"biology",
"obstetrics",
"genetics",
"and",
"genomics"
] | 2008 | SUMO-Specific Protease 2 Is Essential for Modulating p53-Mdm2 in Development of Trophoblast Stem Cell Niches and Lineages |
BK polyomavirus ( BKPyV ) is an emerging pathogen whose reactivation causes severe disease in transplant patients . Unfortunately , there is no specific anti-BKPyV treatment available , and host cell components that affect the infection outcome are not well characterized . In this report , we examined the relationship ... | BK polyomavirus ( BKPyV ) is a human pathogen that establishes a persistent sub-clinical infection in healthy humans . When patients are immunosuppressed , particularly in kidney and bone marrow transplantation , the virus can reactivate and result in severe disease . BKPyV-related disease has risen due to the use of n... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"virology",
"biology",
"microbiology",
"viral",
"replication"
] | 2012 | Roles of ATM and ATR-Mediated DNA Damage Responses during Lytic BK Polyomavirus Infection |
Echolocation is the ability to use sound-echoes to infer spatial information about the environment . Some blind people have developed extraordinary proficiency in echolocation using mouth-clicks . The first step of human biosonar is the transmission ( mouth click ) and subsequent reception of the resultant sound throug... | Echolocation is the ability to use sound-echoes to infer spatial information about the environment . It is well known from certain species of bats or marine mammals . Remarkably , some blind people have developed extraordinary proficiency in echolocation using mouth-clicks . Human echolocation work has built on scant t... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"acoustics",
"medicine",
"and",
"health",
"sciences",
"engineering",
"and",
"technology",
"applied",
"mathematics",
"vertebrates",
"neuroscience",
"animals",
"mammals",
"animal",
"signaling",
"and",
"communication",
"simulation",
"and",
"modeling",
"algorithms",
"animal",... | 2017 | Mouth-clicks used by blind expert human echolocators – signal description and model based signal synthesis |
Significant advances have been made in the discovery of genes affecting bone mineral density ( BMD ) ; however , our understanding of its genetic basis remains incomplete . In the current study , genome-wide association ( GWA ) and co-expression network analysis were used in the recently described Hybrid Mouse Diversit... | Osteoporosis is a disease of weak and fracture-prone bones . The characteristic of bone that is most predictive of fractures is low bone mineral density ( BMD ) , a trait primarily controlled by genetics . In recent years , significant advances have been made in the discovery of genes affecting BMD; however , our under... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"of",
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"genome-wide",
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"expression",
"analysis",
"physiogenomics",
"genetics",
"biology",
"genomics",
"gene",
"networks",
"genetics",
"and",
"genomics",
"gene",
"function"
] | 2011 | Mouse Genome-Wide Association and Systems Genetics Identify Asxl2 As a Regulator of Bone Mineral Density and Osteoclastogenesis |
Planning interventions to respond to cholera epidemics requires an understanding of the major transmission routes . Interrupting short-cycle ( household , foodborne ) transmission may require different approaches as compared long-cycle ( environmentally-mediated/waterborne ) transmission . However , differentiating the... | John Snow’s seminal work on the London cholera epidemic and Broadway pump helped establish cholera as a quintessential waterborne ( long-cycle ) pathogen . However , there is renewed interest in the role that short-cycle ( e . g . food-borne and household ) transmission plays in epidemic contexts . The distinction betw... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"ecology",
"and",
"environmental",
"sciences",
"water",
"resources",
"surface",
"water",
"engineering",
"and",
"technology",
"sewage",
"neighborhoods",
"tropical",
"diseases",
"social",
"sciences",
"simulation",
"and",
"modeling"... | 2017 | The importance of thinking beyond the water-supply in cholera epidemics: A historical urban case-study |
Snakebite is an important medical emergency in rural Nepal . Correct identification of the biting species is crucial for clinicians to choose appropriate treatment and anticipate complications . This is particularly important for neurotoxic envenoming which , depending on the snake species involved , may not respond to... | Snakebite is an important medical problem in sub-tropical and tropical regions , including Nepal where tens of thousands of people are bitten every year . Snakebite can result in life-threatening envenoming , and correct identification of the biting species is crucial for care providers to choose appropriate treatment ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"body",
"fluids",
"pathology",
"and",
"laboratory",
"medicine",
"tropical",
"diseases",
"geographical",
"locations",
"vertebrates",
"animals",
"cobras",
"signs",
"and",
"symptoms",
"reptiles",
"neglected",
"tropical",
"diseases",... | 2016 | Use of Molecular Diagnostic Tools for the Identification of Species Responsible for Snakebite in Nepal: A Pilot Study |
Despite extensive genetic diversity of HIV-1 in chronic infection , a single or few maternal virus variants become the founders of an infant’s infection . These transmitted/founder ( T/F ) variants are of particular interest , as a maternal or infant HIV vaccine should raise envelope ( Env ) specific IgG responses capa... | Mother to child transmission ( MTCT ) of HIV-1 can occur during pregnancy ( in utero ) , at the time of delivery ( peripartum ) or by breastfeeding ( postpartum ) . With the availability of anti-retroviral therapy ( ART ) , rate of MTCT of HIV-1 have been significantly lowered . However , significant implementation cha... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chemical",
"neutralization",
"children",
"medicine",
"and",
"health",
"sciences",
"immune",
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"pathology",
"and",
"laboratory",
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"maternal",
"health",
"viral",
"transmission",
"and",
"infection",
"obstetrics",
"and",
"gynecology",
"pathogens",
"i... | 2018 | Infant transmitted/founder HIV-1 viruses from peripartum transmission are neutralization resistant to paired maternal plasma |
Extensive shielding by N-glycans on the surface of the HIV envelope glycoproteins ( Env ) restricts B cell recognition of conserved neutralizing determinants . Elicitation of broadly neutralizing antibodies ( bNAbs ) in selected HIV-infected individuals reveals that Abs capable of penetrating the glycan shield can be g... | A major challenge in HIV-1 vaccine design is to generate antibodies directed toward conserved broadly neutralizing epitopes on the surface-exposed viral envelope glycoprotein ( Env ) . Most conserved epitopes are masked by self N-glycans , limiting naïve B cell recognition of the underlying protein surface following En... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"blood",
"cells",
"medicine",
"and",
"health",
"sciences",
"immune",
"physiology",
"enzyme-linked",
"immunoassays",
"immune",
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"immunology",
"vertebrates",
"rabbits",
"animals",
"mammals",
"animal",
"models",
"experimental",
"organism",
"systems",
"a... | 2017 | Targeted N-glycan deletion at the receptor-binding site retains HIV Env NFL trimer integrity and accelerates the elicited antibody response |
In order to assess the susceptibility of bank voles to chronic wasting disease ( CWD ) , we inoculated voles carrying isoleucine or methionine at codon 109 ( Bv109I and Bv109M , respectively ) with CWD isolates from elk , mule deer and white-tailed deer . Efficient transmission rate ( 100% ) was observed with mean surv... | Chronic wasting disease ( CWD ) is a prion disease that affects free-ranging and captive cervids and is expanding increasingly in the USA and Canada . Animal models are of key importance in the study of prion diseases but their development for CWD has long been hampered by its very inefficient transmission to wild-type... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"animal",
"models",
"veterinary",
"prion",
"diseases",
"veterinary",
"pathology",
"veterinary",
"diseases",
"model",
"organisms",
"emerging",
"infectious",
"diseases",
"pathology",
"biology",
"microbiology",
"neuroscience",
"veterinary",
"science"
] | 2013 | Chronic Wasting Disease in Bank Voles: Characterisation of the Shortest Incubation Time Model for Prion Diseases |
Beat-to-beat variability of repolarization duration ( BVR ) is an intrinsic characteristic of cardiac function and a better marker of proarrhythmia than repolarization prolongation alone . The ionic mechanisms underlying baseline BVR in physiological conditions , its rate dependence , and the factors contributing to in... | Every heartbeat has an electrical recovery ( repolarization ) interval that varies in duration from beat to beat . Excessive beat-to-beat variability of repolarization duration has been shown to be a risk marker of potentially fatal heart-rhythm disorders , but the contributing subcellular mechanisms remain incompletel... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"arrhythmias",
"biology",
"computational",
"biology",
"electrophysiology",
"biophysics",
"cardiovascular"
] | 2013 | Determinants of Beat-to-Beat Variability of Repolarization Duration in the Canine Ventricular Myocyte: A Computational Analysis |
Soil-transmitted helminth ( STH ) infections affect more than two out of every five schoolchildren in the poorest regions of rural China , an alarmingly high prevalence rate given the low cost and wide availability of safe and effective deworming treatment . Understanding of local knowledge , attitudes , and practices ... | Soil-transmitted helminths ( STHs ) are parasitic intestinal worms that infect more than two out of every five schoolchildren in rural China , an alarmingly high prevalence given the low cost and wide availability of safe and effective deworming treatment . Understanding of local knowledge , attitudes , and practices r... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | Gut Instincts: Knowledge, Attitudes, and Practices regarding Soil-Transmitted Helminths in Rural China |
Additive genetic variance ( VA ) and total genetic variance ( VG ) are core concepts in biomedical , evolutionary and production-biology genetics . What determines the large variation in reported VA/VG ratios from line-cross experiments is not well understood . Here we report how the VA/VG ratio , and thus the ratio be... | The broad-sense heritability of a trait is the proportion of phenotypic variance attributable to genetic causes , while the narrow-sense heritability is the proportion attributable to additive gene effects . A better understanding of what underlies variation in the ratio of the two heritability measures , or the equiva... | [
"Abstract",
"Introduction",
"Methods",
"Results/Discussion"
] | [
"genetics",
"biology",
"computational",
"biology"
] | 2013 | Effect of Regulatory Architecture on Broad versus Narrow Sense Heritability |
The analytical validation of sensitive , accurate and standardized Real-Time PCR methods for Trypanosoma cruzi quantification is crucial to provide a reliable laboratory tool for diagnosis of recent infections as well as for monitoring treatment efficacy . We have standardized and validated a multiplex Real-Time quanti... | Chagas disease , caused by the parasite Trypanosoma cruzi , is endemic in several Latin American countries and still represents a major neglected tropical threat . It is transmitted to humans by blood-sucking triatomine bugs , congenital transmission , blood transfusion , organ transplantation and by consuming food and... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"biology"
] | 2013 | Analytical Performance of a Multiplex Real-Time PCR Assay Using TaqMan Probes for Quantification of Trypanosoma cruzi Satellite DNA in Blood Samples |
Miltefosine ( MF ) is the first oral compound used in the chemotherapy against leishmaniasis . Since the mechanism of action of this drug and the targets of MF in Leishmania are unclear , we generated in a step-by-step manner Leishmania major promastigote mutants highly resistant to MF . Two of the mutants were submitt... | Leishmania spp . are parasitic protozoa responsible for a spectrum of diseases known as leishmaniasis . There are few drugs available for the treatment of these diseases , and miltefosine is the first oral drug used in treatment of visceral leishmaniasis , a form of the disease that can be lethal if not treated . In th... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"genomics",
"virology",
"biology",
"computational",
"biology",
"microbiology"
] | 2012 | Multiple Mutations in Heterogeneous Miltefosine-Resistant Leishmania major Population as Determined by Whole Genome Sequencing |
Vocal folds are used as sound sources in various species , but it is unknown how vocal fold morphologies are optimized for different acoustic objectives . Here we identify two main variables affecting range of vocal fold vibration frequency , namely vocal fold elongation and tissue fiber stress . A simple vibrating str... | Mammals , birds , and reptiles vocalize ( make sounds with vocal cords ) . Various species , and individuals within the species , are identified by pitch , loudness , and other acoustic features they can build into a repertoire of rhythmic and melodic patterns . Range of pitch , or more precisely fundamental frequency ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"and",
"Discussion"
] | [
"acoustics",
"medicine",
"and",
"health",
"sciences",
"classical",
"mechanics",
"vibration",
"larynx",
"vertebrates",
"animals",
"collagens",
"throat",
"physiological",
"parameters",
"amniotes",
"cartilage",
"birds",
"proteins",
"connective",
"tissue",
"biological",
"tiss... | 2016 | Predicting Achievable Fundamental Frequency Ranges in Vocalization Across Species |
The immunomodulatory properties of lipophosphoglycans ( LPG ) from New World species of Leishmania have been assessed in Leishmania infantum and Leishmania braziliensis , the causative agents of visceral and cutaneous leishmaniasis , respectively . This glycoconjugate is highly polymorphic among species with variation ... | Leishmania amazonensis , a member of the Leishmania mexicana complex , is the causative agent of localized cutaneous leishmaniasis ( LCL ) and anergic diffuse cutaneous leishmaniasis ( ADCL ) [1 , 2] . It is widely distributed throughout the Amazon basin , where it infects a wide range of terrestrial rodents and , less... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"blood",
"cells",
"innate",
"immune",
"system",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"immune",
"physiology",
"cytokines",
"pathology",
"and",
"laboratory",
"medicine",
"immunology",
"sand",
"flies",
"parasitic",
"diseases",
"parasitic",
"protozo... | 2016 | Lipophosphoglycans from Leishmania amazonensis Strains Display Immunomodulatory Properties via TLR4 and Do Not Affect Sand Fly Infection |
Despite ongoing efforts to control transmission , rabies prevention remains a challenge in many developing countries , especially in rural areas of China where re-emerging rabies is under-reported due to a lack of sustained animal surveillance . By taking advantage of detailed genomic and epidemiological data for the r... | Although dogs are known to be the primary reservoir and vector of human rabies in African and Asian countries , the spatial epidemiology of rabies virus ( RABV ) spread in developing regions is still unclear . Using 17 years of genomic and epidemiological data , we reconstruct the recent dispersal history of RABV in do... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"death",
"rates",
"biogeography",
"animal",
"types",
"medicine",
"and",
"health",
"sciences",
"ecology",
"and",
"environmental",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"china",
"pathogens",
"population",
"genetics",
"tropical",
"diseases",
"geographic... | 2018 | Transmission dynamics of re-emerging rabies in domestic dogs of rural China |
Neurofibromatosis type 1 ( NF1 ) is an autosomal dominant , monogenic disorder of dysregulated neurocutaneous tissue growth . Pleiotropy , variable expressivity and few NF1 genotype-phenotype correlates limit clinical prognostication in NF1 . Phenotype complexity in NF1 is hypothesized to derive in part from genetic mo... | Neurofibromatosis type 1 ( NF1 ) is a relatively common genetic disease that increases the chance to develop a variety of benign and malignant tumors . People with NF1 also typically feature a large number of birthmarks called café-au-lait macules . It is difficult to predict severity or specific problems in NF1 . We s... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genome",
"expression",
"analysis",
"medicine",
"and",
"health",
"sciences",
"genetic",
"dominance",
"dominant",
"traits",
"quantitative",
"traits",
"genome",
"analysis",
"autosomal",
"dominant",
"diseases",
"neurofibromatosis",
"type",
"1",
"autosomal",
"dominant",
"tr... | 2014 | Genetic Modifiers of Neurofibromatosis Type 1-Associated Café-au-Lait Macule Count Identified Using Multi-platform Analysis |
The guanylate-binding proteins ( GBPs ) belong to the dynamin superfamily of GTPases and function in cell-autonomous defense against intracellular pathogens . IpaH9 . 8 , an E3 ligase from the pathogenic bacterium Shigella flexneri , ubiquitinates a subset of GBPs and leads to their proteasomal degradation . Here we re... | Shigella flexneri is a Gram-negative bacteria that causes diarrhea in humans and leads to a million deaths every year . Once inside the cell , S . flexneri injects the host cell cytoplasm with effector proteins to suppress host defense . The guanylate-binding proteins ( GBPs ) have potent antimicrobial functions agains... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"chemical",
"bonding",
"medicine",
"and",
"health",
"sciences",
"crystal",
"structure",
"pathology",
"and",
"laboratory",
"medicine",
"enzymes",
"pathogens",
"condensed",
"matter",
"physics",
"microbiology",
"enzymology",
"shigella",
"protein",
"structure",
"crystallograp... | 2019 | Structural mechanism for guanylate-binding proteins (GBPs) targeting by the Shigella E3 ligase IpaH9.8 |
Prion strains are characterized by strain-specific differences in neuropathology but can also differ in incubation period , clinical disease , host-range and tissue tropism . The hyper ( HY ) and drowsy ( DY ) strains of hamster-adapted transmissible mink encephalopathy ( TME ) differ in tissue tropism and susceptibili... | Strain specific distribution of prions throughout the infected host are observed in both naturally occurring and experimentally induced prion diseases . The distribution of prions in the host can influence prion shedding and transmission ( e . g . iatrogenic prion transmission ) . The mechanism ( s ) responsible for st... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"animal",
"diseases",
"immune",
"physiology",
"respiratory",
"infections",
"spleen",
"enzymology",
"vertebrates",
"animals",
"mammals",
"pulmonology",
"developmental",
"biology",
"animal",
"prion",
"diseases",
"lymph",
"nodes",
"... | 2017 | PrPSc formation and clearance as determinants of prion tropism |
Lung volume reduction surgery ( LVRS ) and bronchoscopic lung volume reduction ( bLVR ) are palliative treatments aimed at reducing hyperinflation in advanced emphysema . Previous work has evaluated functional improvements and survival advantage for these techniques , although their effects on the micromechanical envir... | Surgical and , more recently , bronchoscopic lung volume reduction is the only available treatments for patients with advanced stage emphysema . Several large-scale , clinical studies have outlined appropriate selection criteria based on patient outcomes; however , the underlying mechanisms determining disease progress... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"pulmonology",
"surgical",
"and",
"invasive",
"medical",
"procedures",
"health",
"care",
"simulation",
"and",
"modeling",
"chronic",
"obstructive",
"pulmonary",
"disease",
"mathematics",
"network",
"analysis",
"lung",
"volume",
... | 2017 | Predicting Structure-Function Relations and Survival following Surgical and Bronchoscopic Lung Volume Reduction Treatment of Emphysema |
Dengue virus is a mosquito-transmitted virus that can cause self-limiting dengue fever , severe life-threatening dengue hemorrhagic fever and dengue shock syndrome . The existence of four serotypes of dengue virus has complicated the development of an effective and safe dengue vaccine . Recently , a clinical phase 2b t... | Vaccines are considered a cost-effective way to control infectious diseases . To rationally design vaccines , antigens and , frequently , adjuvants must be selected to trigger appropriate immune responses against a specific pathogen . We selected dengue-2 envelope protein domain III as a dengue vaccine candidate and ex... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [] | 2013 | Lipidated Dengue-2 Envelope Protein Domain III Independently Stimulates Long-Lasting Neutralizing Antibodies and Reduces the Risk of Antibody-Dependent Enhancement |
Adult height is a classic polygenic trait of high heritability ( h2 ∼0 . 8 ) . More than 180 single nucleotide polymorphisms ( SNPs ) , identified mostly in populations of European descent , are associated with height . These variants convey modest effects and explain ∼10% of the variance in height . Discovery efforts ... | Adult height is an ideal phenotype to improve our understanding of the genetic architecture of complex diseases and traits: it is easily measured and usually available in large cohorts , relatively stable , and mostly influenced by genetics ( narrow-sense heritability of height h2∼0 . 8 ) . Genome-wide association ( GW... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"genome-wide",
"association",
"studies",
"public",
"health",
"and",
"epidemiology",
"genetic",
"polymorphism",
"epidemiology",
"genetics",
"population",
"genetics",
"biology",
"human",
"genetics",
"population",
"biology",
"genetics",
"and",
"genomics",
"genetic",
"epidemi... | 2011 | Identification, Replication, and Fine-Mapping of Loci Associated with Adult Height in Individuals of African Ancestry |
Taenia solium is a cestode parasite that causes cysticercosis in both humans and pigs . A serological survey was undertaken to assess the seroprevalence and risk factors associated with porcine cysticercosis in the rural district of Morropon , Peru . Pigs aged between 2 and 60 months were assessed by the Enzyme-linked ... | Taenia solium causes taeniasis in humans and cysticercosis in humans and pigs . In humans the parasite may infect the central nervous system and cause neurocysticercosis . The World Health Organization ( WHO ) estimated that over 50 , 000 deaths per year are due to neurocysticercosis and the disease is also the main ca... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"veterinary",
"epidemiology",
"veterinary",
"science"
] | 2012 | Seroprevalence and Risk Factors for Taenia solium Cysticercosis in Rural Pigs of Northern Peru |
Viral infection activates the transcription factors NF-κB and IRF3 , which contribute to the induction of type I interferons ( IFNs ) and cellular antiviral responses . Protein kinases play a critical role in various signaling pathways by phosphorylating their substrates . Here , we identified dual-specificity tyrosine... | In recent years , the mechanisms of innate antiviral immune responses mediated by pattern recognition receptors ( PRRs ) have been heavily investigated . All PRRs require the key molecule TANK-binding kinase 1 ( TBK1 ) to activate the transcription factor IRF3 , which leads to type I interferon induction and the cellul... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | DYRK2 Negatively Regulates Type I Interferon Induction by Promoting TBK1 Degradation via Ser527 Phosphorylation |
The attachment of sister kinetochores by microtubules emanating from opposite spindle poles establishes chromosome bipolar attachment , which generates tension on chromosomes and is essential for sister-chromatid segregation . Syntelic attachment occurs when both sister kinetochores are attached by microtubules from th... | Chromosome bipolar attachment occurs when sister chromatids are attached by microtubules emanating from opposite spindle poles and is essential for faithful sister-chromatid segregation . Chromosomes are under tension once bipolar attachment is established . The absence of tension is sensed by the tension checkpoint th... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"division",
"cell",
"biology",
"genetics",
"biology",
"molecular",
"cell",
"biology",
"genetics",
"and",
"genomics"
] | 2012 | Loss of Function of the Cik1/Kar3 Motor Complex Results in Chromosomes with Syntelic Attachment That Are Sensed by the Tension Checkpoint |
Cyanobacteria are the only model circadian clock system in which a circadian oscillator can be reconstituted in vitro . The underlying circadian mechanism appears to comprise two subcomponents: a post-translational oscillator ( PTO ) and a transcriptional/translational feedback loop ( TTFL ) . The PTO and TTFL have bee... | Many organisms from bacteria to humans have evolved circadian mechanisms for regulating biological processes on a daily time scale . In cyanobacteria , a minimal system for such cyclical regulation can be reconstituted in vitro from three proteins , called KaiA , KaiB , and KaiC . This three-protein oscillator is belie... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"molecular",
"biology/post-translational",
"regulation",
"of",
"gene",
"expression",
"genetics",
"and",
"genomics/gene",
"expression",
"biochemistry/theory",
"and",
"simulation",
"biochemistry/transcription",
"and",
"translation",
"microbiology/microbial",
"physiology",
"and",
... | 2010 | Coupling of a Core Post-Translational Pacemaker to a Slave Transcription/Translation Feedback Loop in a Circadian System |
HTLV-1/2 infection can cause severe and disabling diseases in children and adults . The aim of the study was to estimate the prevalence of HTLV-1/2 infection in pregnant women living in the metropolitan area of Rio de Janeiro . 1 , 204 pregnant women were tested upon hospital admission for delivery in two public hospit... | HTLV-1/2 are retroviruses transmitted by blood products , sexual contact and from mother to child , mainly through breastfeeding . The infection has a characteristic geographical distribution with endemic areas often neighbouring very low prevalence areas . Infection is life long and although asymptomatic in most cases... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"women's",
"health",
"infectious",
"diseases",
"tropical",
"diseases",
"medicine",
"and",
"health",
"sciences"
] | 2014 | Prevalence of HTLV-1/2 in Pregnant Women Living in the Metropolitan Area of Rio de Janeiro |
Interferon-induced BST2/Tetherin prevents budding of vpu-deficient HIV-1 by tethering mature viral particles to the plasma membrane . BST2 also inhibits release of other enveloped viruses including Ebola virus and Kaposi's sarcoma associated herpesvirus ( KSHV ) , indicating that BST2 is a broadly acting antiviral host... | Human Cytomegalovirus ( HCMV ) persistently infects a large proportion of the human population without causing any symptoms . The establishment and maintenance of HCMV in infected individuals is thought to be facilitated by the ability of HCMV to modulate innate and adaptive immune responses by the host . BST2 , aka Te... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"infectious",
"diseases",
"viral",
"persistence",
"and",
"latency",
"viral",
"transmission",
"and",
"infection",
"virology",
"cytomegalovirus",
"infection",
"biology",
"microbiology",
"host-pathogen",
"interaction",
"viral",
"diseases"
] | 2011 | BST2/Tetherin Enhances Entry of Human Cytomegalovirus |
Novel traits play a key role in evolution , but their origins remain poorly understood . Here we address this problem by using experimental evolution to study bacterial innovation in real time . We allowed 380 populations of Pseudomonas aeruginosa to adapt to 95 different carbon sources that challenged bacteria with ei... | Novel traits play a key role in evolution by providing organisms with access to new ecological niches . Novelty is often conspicuous at a phenotypic level , but it is difficult to determine its underlying genetic basis . To address this problem , we have studied how the bacterium P . aeruginosa evolves novel metabolic ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"bacteriology",
"organismal",
"evolution",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"genome",
"evolution",
"pathogens",
"microbiology",
"cloning",
"pseudomonas",
"aeruginosa",
"optimization",
"mutation",
"mathematics",
"microbia... | 2016 | The Genomic Basis of Evolutionary Innovation in Pseudomonas aeruginosa |
Pseudomonas protegens is a biocontrol rhizobacterium with a plant-beneficial and an insect pathogenic lifestyle , but it is not understood how the organism switches between the two states . Here , we focus on understanding the function and possible evolution of a molecular sensor that enables P . protegens to detect th... | Pseudomonas bacteria are well-known for their capability of adapting to different environments , which enables them to interact with various host organisms . Pseudomonas protegens is a plant-associated biocontrol bacterium with lifestyles that are of interest for agricultural applications , among them one as a competit... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"gram",
"negative",
"plant",
"microbiology",
"microbial",
"evolution",
"gene",
"identification",
"and",
"analysis",
"gene",
"regulation",
"genetics",
"microbial",
"control",
"molecular",
"genetics",
"host-pathogen",
"interaction",
"biology",
"microbiology",
"evolutionary",
... | 2014 | Domain Shuffling in a Sensor Protein Contributed to the Evolution of Insect Pathogenicity in Plant-Beneficial Pseudomonas protegens |
Faithful DNA replication and repair requires the activity of cullin 4-based E3 ubiquitin ligases ( CRL4 ) , but the underlying mechanisms remain poorly understood . The budding yeast Cul4 homologue , Rtt101 , in complex with the linker Mms1 and the putative substrate adaptor Mms22 promotes progression of replication fo... | Post-translational protein modifications , such as ubiquitylation , are essential for cells to respond to environmental cues . In order to understand how eukaryotes cope with DNA damage , we have investigated a conserved E3 ubiquitin ligase complex required for the resistance to carcinogenic chemicals . This complex , ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"Methods"
] | [
"molecular",
"probe",
"techniques",
"enzymes",
"cell",
"cycle",
"and",
"cell",
"division",
"cell",
"processes",
"enzymology",
"immunoblotting",
"ubiquitin",
"ligases",
"dna",
"damage",
"dna",
"replication",
"dna",
"molecular",
"biology",
"techniques",
"synthesis",
"ph... | 2016 | The Replisome-Coupled E3 Ubiquitin Ligase Rtt101Mms22 Counteracts Mrc1 Function to Tolerate Genotoxic Stress |
The HIV-1 envelope glycoprotein ( Env ) composed of the receptor binding domain gp120 and the fusion protein subunit gp41 catalyzes virus entry and is a major target for therapeutic intervention and for neutralizing antibodies . Env interactions with cellular receptors trigger refolding of gp41 , which induces close ap... | HIV-1 employs its envelope glycoprotein complex ( Env ) composed of gp120 and gp41 to catalyze cell entry . Both Env subunits undergo conformational changes triggered by the gp120-mediated interactions with cellular receptors . Notably , gp41 refolds into a core six-helical bundle structure which is central to the fusi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"virology/virion",
"structure,",
"assembly,",
"and",
"egress",
"virology/immunodeficiency",
"viruses",
"biophysics/macromolecular",
"assemblies",
"and",
"machines",
"virology/host",
"invasion",
"and",
"cell",
"entry"
] | 2010 | Crystal Structure of HIV-1 gp41 Including Both Fusion Peptide and Membrane Proximal External Regions |
The brain is highly energy consuming , therefore is under strong selective pressure to achieve cost-efficiency in both cortical connectivities and activities . However , cost-efficiency as a design principle for cortical activities has been rarely studied . Especially it is not clear how cost-efficiency is related to u... | The adult human brain consumes more than 20% of the resting metabolism , despite constituting only 2% of the body’s mass . Most energy is consumed by the cerebral cortex with billions of neurons , mainly to restore ion gradients across membranes for generating and propagating action potentials and synaptic transmission... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"action",
"potentials",
"medicine",
"and",
"health",
"sciences",
"neural",
"networks",
"information",
"processing",
"population",
"dynamics",
"membrane",
"potential",
"electrophysiology",
"neuroscience",
"network",
"analysis",
"population",
"biology",
"information",
"techno... | 2017 | Co-emergence of multi-scale cortical activities of irregular firing, oscillations and avalanches achieves cost-efficient information capacity |
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