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Functional redundancy limits detailed analysis of genes in many organisms . Here , we report a method to efficiently overcome this obstacle by combining gene expression data with analysis of gene-indexed mutants . Using a rice NSF45K oligo-microarray to compare 2-week-old light- and dark-grown rice leaf tissue , we ide... | Rice , a model monocot , is the first crop plant to have its entire genome sequenced . Although genome-wide transcriptome analysis tools and genome-wide , gene-indexed mutant collections have been generated for rice , the functions of only a handful of rice genes have been revealed thus far . Functional genomics approa... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"and",
"genomics/genomics",
"genetics",
"and",
"genomics/gene",
"discovery",
"genetics",
"and",
"genomics/gene",
"expression",
"genetics",
"and",
"genomics/functional",
"genomics",
"plant",
"biology",
"plant",
"biology/plant-environment",
"interactions",
"genetics... | 2008 | Identification and Functional Analysis of Light-Responsive Unique Genes and Gene Family Members in Rice |
Reward-related dopaminergic influences on learning and overt behaviour are well established , but any influence on sensory decision-making is largely unknown . We used functional magnetic resonance imaging ( fMRI ) while participants judged electric somatosensory stimuli on one hand or other , before being rewarded for... | The rewards one receives during decision-making has a profound impact on learning . Much recent interest has focused on the role of the neurotransmitter dopamine in the basal ganglia for influencing learning and behaviour . Here , we ask whether reward can influence low-level sensory processing , for instance in primar... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"neuroscience/behavioral",
"neuroscience",
"neuroscience/cognitive",
"neuroscience",
"neuroscience/sensory",
"systems"
] | 2009 | Influence of Dopaminergically Mediated Reward on Somatosensory Decision-Making |
Handheld light microscopy using compact optics and mobile phones may improve the quality of health care in resource-constrained settings by enabling access to prompt and accurate diagnosis . Laboratory technicians were trained to operate two handheld diagnostic devices ( Newton Nm1 microscope and a clip-on version of t... | Handheld light microscopes are new technologies that may be helpful in enabling better access to diagnostic testing for people living in resource-constrained settings in tropical and subtropical countries . Recent studies evaluating the accuracy of such devices have focused on their use by expert microscopists and were... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"schistosoma",
"invertebrates",
"schistosoma",
"mansoni",
"medicine",
"and",
"health",
"sciences",
"engineering",
"and",
"technology",
"helminths",
"light",
"microscopy",
"animals",
"cell",
"phones",
"protozoans",
"microscopy",
"digestive",
"system",
"research",
"and",
... | 2016 | Accuracy of Mobile Phone and Handheld Light Microscopy for the Diagnosis of Schistosomiasis and Intestinal Protozoa Infections in Côte d’Ivoire |
Genetic screens are powerful methods for the discovery of gene–phenotype associations . However , a systems biology approach to genetics must leverage the massive amount of “omics” data to enhance the power and speed of functional gene discovery in vivo . Thus far , few computational methods for gene function predictio... | Genome sequencing and annotation , combined with large-scale molecular experiments to query gene expression and molecular interactions , collectively known as Systems Biology , have resulted in an enormous wealth in biological databases . Yet , it remains a daunting task to use these data to decipher the rules that gov... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"and",
"genomics/animal",
"genetics",
"genetics",
"and",
"genomics/bioinformatics",
"neuroscience/neurodevelopment"
] | 2009 | Integrating Computational Biology and Forward Genetics in Drosophila |
For Chagas disease , the most serious infectious disease in the Americas , effective disease control depends on elimination of vectors through spraying with insecticides . Molecular genetic research can help vector control programs by identifying and characterizing vector populations and then developing effective inter... | Chagas disease is a protozoan infection caused by the parasite Trypanosoma cruzi . Chagas is prevalent throughout Central and South America , and it remains a chief concern in Bolivia . A movement that began in 1991 called the Southern Cone Initiative has been successful in reducing the incidence of Chagas disease in t... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"infectious",
"diseases/neglected",
"tropical",
"diseases",
"public",
"health",
"and",
"epidemiology/infectious",
"diseases",
"genetics",
"and",
"genomics/population",
"genetics"
] | 2008 | Microsatellites Reveal a High Population Structure in Triatoma infestans from Chuquisaca, Bolivia |
Head lice , Pediculus humanus capitis , occur in four divergent mitochondrial clades ( A , B , C and D ) , each having particular geographical distributions . Recent studies suggest that head lice , as is the case of body lice , can act as a vector for louse-borne diseases . Therefore , understanding the genetic divers... | Head lice , Pediculus capitis humanus , and body lice , Pediculus h . humanus , are obligatory ectoparasites that feed exclusively on human blood . Currently , the body louse is the only recognized vector of at least three deadly bacterial pathogens that have killed millions of peoples , namely: Rickettsia prowazekii ,... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion",
"Conclusions"
] | [
"invertebrates",
"borrelia",
"infection",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"evolutionary",
"biology",
"acinetobacter",
"infections",
"pathogens",
"population",
"genetics",
"microbiology",
"animals",
"bacterial",
"disease... | 2016 | Head Lice of Pygmies Reveal the Presence of Relapsing Fever Borreliae in the Republic of Congo |
Retrotransposons are mobile genetic elements abundant in plant and animal genomes . While efficiently silenced by the epigenetic machinery , they can be reactivated upon stress or during development . Their level of transcription not reflecting their transposition ability , it is thus difficult to evaluate their contri... | Long time considered as « junk DNA » , the evolutive force of transposable elements ( TEs ) is now well established and TEs contribute strongly to eukaryote genome plasticity . However , it is difficult to fully characterize the mobile part of a genome , or active mobilome , and tracking TE activity remains challenging... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biotechnology",
"retrotransposons",
"brassica",
"plant",
"science",
"model",
"organisms",
"rice",
"genome",
"analysis",
"experimental",
"organism",
"systems",
"genetic",
"elements",
"plant",
"genomics",
"molecular",
"biology",
"techniques",
"plants",
"arabidopsis",
"thal... | 2017 | Sequencing the extrachromosomal circular mobilome reveals retrotransposon activity in plants |
Single nucleotide polymorphisms ( SNPs ) have been increasingly utilized to investigate somatic genetic abnormalities in premalignancy and cancer . LOH is a common alteration observed during cancer development , and SNP assays have been used to identify LOH at specific chromosomal regions . The design of such studies r... | More than 99% of each person's genome is identical to everyone else's . Many of the differences involve single base pairs , termed single nucleotide polymorphisms ( SNPs ) . SNPs are used as genetic markers to facilitate identification of disease-causing genes , as well as in cancer studies by aiding in determining whi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"homo",
"(human)",
"genetics",
"and",
"genomics"
] | 2007 | Direct Inference of SNP Heterozygosity Rates and Resolution of LOH Detection |
PROSPERO CRD42012002292
Dengue is a growing health concern in the Philippines . Outbreaks were reported in1926 [1] , [2] , and the first recorded epidemic in Southeast Asia occurred in Manila in 1954 [3] , [4] . Further epidemics occurred in 1966 , 1983 , and 1998 , with increasing reported cases of dengue disease [5]–... | Dengue disease is a tropical and subtropical mosquito-borne viral illness and is a major health concern in the Philippines . To determine the dengue disease burden in the Philippines and identify gaps and future research needs , we conducted a literature analysis and review to describe the epidemiology of dengue diseas... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"epidemiology"
] | 2014 | Epidemiology of Dengue Disease in the Philippines (2000–2011): A Systematic Literature Review |
Post-translational modifications ( PTMs ) add a further layer of complexity to the proteome and regulate a wide range of cellular protein functions . With the increasing number of known PTM sites , it becomes imperative to understand their functional interplays . In this study , we proposed a novel analytical strategy ... | In addition to gene expression and translation control , post-translational modifications ( PTMs ) represent another level to regulate proteins functions . Different PTM sites within a protein usually co-operate to fulfill their functional roles . Recent advances in high-throughput mass spectrometry ( MS ) technologies... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"phosphorylation",
"mathematics",
"signaling",
"cascades",
"protein",
"structure",
"sequence",
"motif",
"analysis",
"protein",
"structure",
"databases",
"discrete",
"mathematics",
"combinatorics",
"research",
"and",
"analysis",
"methods",
"protein",
"kinase",
"signaling",
... | 2017 | Co-occurring protein phosphorylation are functionally associated |
The analysis of introgression of genomic regions between divergent populations provides an excellent opportunity to determine the genetic basis of reproductive isolation during the early stages of speciation . However , hybridization and subsequent gene flow must be relatively common in order to localize individual loc... | A number of laboratory studies of speciation have uncovered individual genes that confer lower fitness when in a divergent genetic background . It is , however , unclear whether these genes were ever relevant to restricting gene flow in nature , or whether they are indirect consequences of functional divergence between... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Conclusions"
] | [
"genome",
"sequencing",
"genome",
"analysis",
"tools",
"gene",
"ontologies",
"genomics",
"genome",
"scans",
"speciation",
"introgression",
"population",
"genetics",
"hybridization",
"biology",
"evolutionary",
"biology",
"gene",
"flow",
"evolutionary",
"processes",
"transc... | 2014 | The Genomic Architecture of Population Divergence between Subspecies of the European Rabbit |
Light and microRNAs ( miRNAs ) are key external and internal signals for plant development , respectively . However , the relationship between the light signaling and miRNA biogenesis pathways remains unknown . Here we found that miRNA processer proteins DCL1 and HYL1 interact with a basic helix-loop-helix ( bHLH ) tra... | External light and internal miRNAs are important for plant development . This study revealed that the miRNA-processing enzyme DCL1 interacts with the red-light-regulated transcription factor PIF4 , which modulates the stability of DCL1 during dark-to-red-light or red-light-to-dark transitions and acts as a transcriptio... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"plant",
"anatomy",
"plant",
"growth",
"and",
"development",
"gene",
"regulation",
"plant",
"embryo",
"anatomy",
"regulatory",
"proteins",
"dna-binding",
"proteins",
"plant",
"physiology",
"developmental",
"biology",
"micrornas",
"plant",
"science",
"transcription",
"fa... | 2018 | Coordinated regulation of Arabidopsis microRNA biogenesis and red light signaling through Dicer-like 1 and phytochrome-interacting factor 4 |
Cysteine peptidases play a central role in the biology of Leishmania . In this work , we sought to further elucidate the mechanism ( s ) by which the cysteine peptidase CPB contributes to L . mexicana virulence and whether CPB participates in the formation of large communal parasitophorous vacuoles induced by these par... | The parasite Leishmania mexicana expresses several cysteine peptidases of the papain family that are involved in processes such as virulence and evasion of host immune responses . The cysteine peptidase CPB is required for survival within macrophages and for lesion formation in susceptible mice . Upon their internaliza... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"blood",
"cells",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"pathology",
"and",
"laboratory",
"medicine",
"parasite",
"replication",
"pathogens",
"immunology",
"microbiology",
"parasitic",
"diseases",
"protozoan",
"life",
"cycles",
"parasitic",
"protoz... | 2016 | Cysteine Peptidase B Regulates Leishmania mexicana Virulence through the Modulation of GP63 Expression |
The nature of the “toxic gain of function” that results from amyotrophic lateral sclerosis ( ALS ) - , Parkinson- , and Alzheimer-related mutations is a matter of debate . As a result no adequate model of any neurodegenerative disease etiology exists . We demonstrate that two synergistic properties , namely , increased... | Amyotrophic lateral sclerosis ( ALS ) , also known in America as Lou Gehrig's disease , is a fatal neurodegenerative disease with no effective treatment . Paralysis occurs as the result of the death of cells that connect the brain to various muscles , namely , the motor neurons of the brain and spinal cord . Ninety per... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"neurological",
"disorders"
] | 2008 | Protein Aggregation and Protein Instability Govern Familial Amyotrophic Lateral Sclerosis Patient Survival |
As antimicrobial resistance increases , it is crucial to develop new treatment strategies to counter the emerging threat . In this paper , we consider combination therapies involving conventional antibiotics and debridement , coupled with a novel anti-adhesion therapy , and their use in the treatment of antimicrobial r... | Since the development of the first antibiotics , bacteria have utilised and developed resistance mechanisms , helping them to avoid being eliminated and to survive within a host . Traditionally , the solution to this problem has been to treat with multiple antibiotics , switching to a new type when the one currently in... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"cell",
"binding",
"antimicrobials",
"cell",
"physiology",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"viral",
"transmission",
"and",
"infection",
"dose",
"prediction",
"methods",
"pathogens",
"drugs",
"microbiology",
"pseudom... | 2019 | Mathematical model predicts anti-adhesion–antibiotic–debridement combination therapies can clear an antibiotic resistant infection |
During viral infection , a massive demand for viral glycoproteins can overwhelm the capacity of the protein folding and quality control machinery , leading to an accumulation of unfolded proteins in the endoplasmic reticulum ( ER ) . To restore ER homeostasis , cells initiate the unfolded protein response ( UPR ) by ac... | Viruses abuse the cell's protein synthesis and folding machinery to produce large amounts of viral proteins . This enforced synthesis overloads the cell's capacity and leads to an accumulation of unfolded proteins in the endoplasmic reticulum ( ER ) resulting in ER stress , which can compromise cell viability . To rest... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cellular",
"stress",
"responses",
"molecular",
"cell",
"biology",
"viral",
"immune",
"evasion",
"virology",
"biology",
"microbiology",
"pathogenesis"
] | 2013 | Cytomegalovirus Downregulates IRE1 to Repress the Unfolded Protein Response |
Double strand breaks ( DSBs ) and interstrand crosslinks ( ICLs ) are toxic DNA lesions that can be repaired through multiple pathways , some of which involve shared proteins . One of these proteins , DNA Polymerase θ ( Pol θ ) , coordinates a mutagenic DSB repair pathway named microhomology-mediated end joining ( MMEJ... | Error-prone DNA Polymerase θ ( Pol θ ) plays a conserved role in a mutagenic DNA double-strand break repair mechanism called microhomology-mediated end joining ( MMEJ ) . In many organisms , it also participates in a process crucial to the removal/repair of DNA interstrand crosslinks . The exact mechanism by which Pol ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Conclusion",
"Materials",
"and",
"methods"
] | [
"invertebrates",
"nucleic",
"acid",
"synthesis",
"enzymes",
"annealing",
"(genetics)",
"dna-binding",
"proteins",
"enzymology",
"animals",
"microhomology-mediated",
"end",
"joining",
"phosphatases",
"animal",
"models",
"drosophila",
"melanogaster",
"model",
"organisms",
"po... | 2017 | Drosophila DNA polymerase theta utilizes both helicase-like and polymerase domains during microhomology-mediated end joining and interstrand crosslink repair |
Visual stimuli evoke activity in visual cortical neuronal populations . Neuronal activity can be selectively modulated by particular visual stimulus parameters , such as the direction of a moving bar of light , resulting in well-defined trial averaged tuning properties . However , given any single stimulus parameter , ... | V1 populations have historically been characterized by single cell response properties and pairwise co-variability . Many cells , however , do not show obvious dependencies to a given stimulus or behavioral task , and have consequently gone unanalyzed . We densely record from large V1 populations to measure how trial-t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"social",
"sciences",
"vertebrates",
"neuroscience",
"animals",
"mammals",
"primates",
"mathematics",
"network",
"analysis",
"computational",
"neuroscience",
"vision",
"neuroimaging",
"neuronal",
"tuning",
"old",
"world",
"monkeys",
"research",
"and",
"analysis",
"methods... | 2018 | Functional triplet motifs underlie accurate predictions of single-trial responses in populations of tuned and untuned V1 neurons |
Kaposi’s sarcoma ( KS ) is a highly prevalent cancer in AIDS patients , especially in sub-Saharan Africa . Kaposi’s sarcoma-associated herpesvirus ( KSHV ) is the etiological agent of KS and other cancers like Primary Effusion Lymphoma ( PEL ) . In KS and PEL , all tumors harbor latent KSHV episomes and express latency... | KS is the most prevalent cancer associated with AIDS in sub-Saharan Africa , and is also common in males not affected by AIDS . KSHV manipulates human cells by targeting protein-coding genes and cell signaling . Here we show that KSHV alters the expression of hundreds of human lncRNAs , a broad class of regulatory mole... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"gene",
"regulation",
"pathogens",
"endothelial",
"cells",
"microbiology",
"long",
"non-coding",
"rnas",
"epithelial",
"cells",
"viruses",
"oncology",
"micrornas",
"dna",
"viruses",
... | 2017 | microRNA dependent and independent deregulation of long non-coding RNAs by an oncogenic herpesvirus |
Genome-wide association studies have identified more than 200 genetic variants to be associated with an increased risk of developing multiple sclerosis ( MS ) . Still , little is known about the causal molecular mechanisms that underlie the genetic contribution to disease susceptibility . In this study , we investigate... | More than 200 genetic loci have been associated with an increased risk of developing multiple sclerosis ( MS ) . Here , we investigated the role of a single-nucleotide polymorphism ( SNP ) , which is located within the microRNA-548ac stem-loop sequence in the first intron of the CD58 gene . We analyzed expression data ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"multiple",
"sclerosis",
"natural",
"antisense",
"transcripts",
"gene",
"regulation",
"neurodegenerative",
"diseases",
"immunology",
"plasmid",
"construction",
"micrornas",
"clinical",
"medicine",
"demyelinating",
"disorders",
"dna",... | 2019 | A genetic variant associated with multiple sclerosis inversely affects the expression of CD58 and microRNA-548ac from the same gene |
Pneumococcal conjugate vaccination has proved highly effective in eliminating vaccine-type pneumococcal carriage and disease . However , the potential adverse effects of serotype replacement remain a major concern when implementing routine childhood pneumococcal conjugate vaccination programmes . Applying a concise pre... | The bacterial pathogen Streptococcus pneumoniae ( pneumococcus ) is a major contributor to child mortality worldwide . Hence , effective pneumococcal vaccination programmes are globally among the most cost-effective public health interventions . Three different conjugate vaccine compositions , targeting 7 , 10 or 13 pn... | [
"Abstract",
"Introduction",
"Methods",
"Search",
"for",
"optimal",
"vaccine",
"serotype",
"compositions",
"Uncertainty",
"in",
"carriage",
"proportions",
"Proportionality",
"assumption",
"(A1)",
"Results",
"Discussion"
] | [
"algorithms",
"medicine",
"bacterial",
"diseases",
"infectious",
"diseases",
"computer",
"science",
"pediatric",
"epidemiology",
"mathematics",
"pneumococcus",
"epidemiology",
"statistics",
"global",
"health",
"applied",
"mathematics",
"infectious",
"disease",
"control"
] | 2014 | Optimal Serotype Compositions for Pneumococcal Conjugate Vaccination under Serotype Replacement |
Given that dengue disease is growing and may progress to dengue hemorrhagic fever ( DHF ) , data on economic cost and disease burden are important . However , data for Mexico are limited . Burden of dengue fever ( DF ) and DHF in Mexico was assessed using official databases for epidemiological information , disabilitie... | Dengue fever is caused by a flavivirus transmitted predominantly by the mosquito Aedes aegypti . Infection causes a broad spectrum of clinical signs and symptoms , from mild disease , such as dengue fever to a life threatening form known as dengue hemorrhagic fever . The disease is widespread in tropical regions . Meas... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"disabilities",
"economic",
"analysis",
"tropical",
"diseases",
"geographical",
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"health",
"care",
"north",
"america",
"neglected",
"tropical",
"diseases",
"infectious",
"disease",
"control",
"pu... | 2018 | Economic impact of dengue in Mexico considering reported cases for 2012 to 2016 |
In the fungal pathogen Cryptococcus neoformans , the switch from yeast to hypha is an important morphological process preceding the meiotic events during sexual development . Morphotype is also known to be associated with cryptococcal virulence potential . Previous studies identified the regulator Znf2 as a key decisio... | The involvement of non-protein regulators in developmental processes in higher eukaryotes is an area that has come to light more recently . Earlier known as the dark matter of the genome , the non-protein coding genes are now recognized for their important regulatory roles in the life of eukaryotes . Using forward gene... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | The lncRNA RZE1 Controls Cryptococcal Morphological Transition |
The Drosophila sex determination hierarchy controls all aspects of somatic sexual differentiation , including sex-specific differences in adult morphology and behavior . To gain insight into the molecular-genetic specification of reproductive behaviors and physiology , we identified genes expressed in the adult head an... | The fruit fly Drosophila is an excellent model system to use to understand the molecular-genetic basis of male courtship behavior , as the potential for this behavior is specified by a well-understood genetic regulatory hierarchy , called the sex determination hierarchy . The sex hierarchy consists of a pre-mRNA splici... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"neuroscience",
"drosophila",
"genetics",
"and",
"genomics"
] | 2007 | Genomic and Functional Studies of Drosophila Sex Hierarchy Regulated Gene Expression in Adult Head and Nervous System Tissues |
Salmonella enterica serovar Typhi is transmitted by fecally contaminated food and water and causes approximately 22 million typhoid fever infections worldwide each year . Most cases occur in developing countries , where approximately 4% of patients develop intestinal perforation ( IP ) . In Kasese District , Uganda , a... | Typhoid fever is an acute febrile illness caused by the bacteria Salmonella Typhi and transmitted through food and water contaminated with the feces of typhoid fever patients or carriers . We investigated typhoid fever outbreaks in two neighboring Ugandan districts , Kasese and Bundibugyo , where typhoid fever outbreak... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"global",
"health",
"epidemiology",
"biology",
"microbiology",
"public",
"health"
] | 2014 | Shifts in Geographic Distribution and Antimicrobial Resistance during a Prolonged Typhoid Fever Outbreak — Bundibugyo and Kasese Districts, Uganda, 2009–2011 |
Epistatic interactions between residues determine a protein’s adaptability and shape its evolutionary trajectory . When a protein experiences a changed environment , it is under strong selection to find a peak in the new fitness landscape . It has been shown that strong selection increases epistatic interactions as wel... | Evolution is often viewed as a process that occurs “mutation by mutation” , suggesting that the effect of each mutation is independent of that of others . However , in reality the effect of a mutation often depends on the context of other mutations , a dependence known as “epistasis” . Even though epistasis can constra... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"organismal",
"evolution",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"evolutionary",
"biology",
"enzymes",
"pathogens",
"enzymology",
"microbiology",
"retroviruses",
"epistasis",
"immunodeficiency",
"viruses",
"viruses",
"rna",
... | 2016 | Strong Selection Significantly Increases Epistatic Interactions in the Long-Term Evolution of a Protein |
Extracellular phosphorylation of proteins was suggested in the late 1800s when it was demonstrated that casein contains phosphate . More recently , extracellular kinases that phosphorylate extracellular serine , threonine , and tyrosine residues of numerous proteins have been identified . However , the functional signi... | The activity of proteins can be finely and reversibly tuned by post-translational modifications . The attachment of phosphate groups to tyrosine residues is one of such modifications . While the existence of extracellular phosphoproteins has been known , the functional significance of extracellular phosphorylation is p... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"phosphorylation",
"medicine",
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"health",
"sciences",
"protein",
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"chemical",
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"nervous",
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"enzymes",
"immunology",
"enzymology",
"neuroscience",
"organic",
"compounds",
"clinical",
"medicine",
"tyrosine",
"immunoprecipitation",
"am... | 2017 | Extracellular phosphorylation of a receptor tyrosine kinase controls synaptic localization of NMDA receptors and regulates pathological pain |
Marburg virus ( MARV ) , a zoonotic pathogen causing severe hemorrhagic fever in man , has emerged in Angola resulting in the largest outbreak of Marburg hemorrhagic fever ( MHF ) with the highest case fatality rate to date . A mobile laboratory unit ( MLU ) was deployed as part of the World Health Organization outbrea... | A mobile laboratory unit ( MLU ) was deployed to Uige , Angola as part of the World Health Organization response to an outbreak of viral hemorrhagic fever caused by Marburg virus ( MARV ) . Utilizing mainly quantitative real-time PCR assays , this laboratory provided specific MARV diagnostics in the field . The MLU ope... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine"
] | 2011 | The Use of a Mobile Laboratory Unit in Support of Patient Management and Epidemiological Surveillance during the 2005 Marburg Outbreak in Angola |
Epigenetic variations of phenotypes , especially those associated with DNA methylation , are often inherited over multiple generations in plants . The active and inactive chromatin states are heritable and can be maintained or even be amplified by positive feedback in a transgenerational manner . However , mechanisms c... | DNA methylation is important for controlling activity of transposable elements and genes . An intriguing feature of DNA methylation in plants is that its pattern can be inherited over multiple generations at high fidelity in a Mendelian manner . However , mechanisms controlling the trans-generational DNA methylation dy... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Genome-Wide Negative Feedback Drives Transgenerational DNA Methylation Dynamics in Arabidopsis |
Blood is a dense suspension of soft non-Brownian cells of unique importance . Physiological blood flow involves complex interactions of blood cells with each other and with the environment due to the combined effects of varying cell concentration , cell morphology , cell rheology , and confinement . We analyze these in... | Viewed from a distance , flowing blood looks like a uniform fluid , but up close the cells in the blood change their position and speed somewhat heterogeneously . These individual cell movements may play a role in the physiology and pathophysiology of nutrient and gas transport , clotting , and diseases where normal pr... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"computer",
"science",
"hematology/hemoglobinopathies",
"pathology/pathophysiology",
"physics/condensed",
"matter",
"physiology/cardiovascular",
"physiology",
"and",
"circulation",
"physics/fluids,",
"plasmas,",
"and",
"electric",
"discharges",
"physiology/integrative",
"physiology",... | 2009 | Statistical Dynamics of Flowing Red Blood Cells by Morphological Image Processing |
Gram-positive bacteria , including Staphylococcus aureus are endemic in the U . S . , which cause life-threatening necrotizing pneumonia . Neutrophils are known to be critical for clearance of S . aureus infection from the lungs and extrapulmonary organs . Therefore , we investigated whether the NLRP6 inflammasome regu... | Gram-positive bacteria , including Staphylococcus aureus remain a major cause of acute pneumonia worldwide . Due to emergence of multidrug-resistant strains , alternative strategies for treatment of S . aureus pneumonia are needed . To this end , it may be possible to harness host defenses to eradicate the infection in... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"blood",
"cells",
"cell",
"death",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"pathology",
"and",
"laboratory",
"medicine",
"pathogens",
"immunology",
"cell",
"processes",
"microbiology",
"staphylococcus",
"aureus",
"pulmonology",
"salmonellosis",
"pneu... | 2018 | NLRP6 negatively regulates pulmonary host defense in Gram-positive bacterial infection through modulating neutrophil recruitment and function |
Dishevelled ( Dvl ) proteins are important signaling components of both the canonical β-catenin/Wnt pathway , which controls cell proliferation and patterning , and the planar cell polarity ( PCP ) pathway , which coordinates cell polarity within a sheet of cells and also directs convergent extension cell ( CE ) moveme... | Multi-gene families , comprising a set of very similar genes with shared nucleotide sequences , are common in mammals . Individual family members may be expressed in different places and perform separate functions . Alternatively , the genes may have redundant functions , but distinct dosage requirements . Mammals shar... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology/morphogenesis",
"and",
"cell",
"biology",
"cell",
"biology/cell",
"signaling",
"cell",
"biology/developmental",
"molecular",
"mechanisms",
"developmental",
"biology/molecular",
"development",
"molecular",
"biology",
"genetics",
"and",
"genomics",
"ca... | 2008 | Murine Dishevelled 3 Functions in Redundant Pathways with Dishevelled 1 and 2 in Normal Cardiac Outflow Tract, Cochlea, and Neural Tube Development |
Pore-forming toxins are potent virulence factors secreted by a large array of bacteria . Here , we deciphered the action of ExlA from Pseudomonas aeruginosa and ShlA from Serratia marcescens on host cell-cell junctions . ExlA and ShlA are two members of a unique family of pore-forming toxins secreted by a two-component... | Pore-forming toxins are the most widespread toxins delivered by pathogenic bacteria and are required for full virulence . Pore-forming toxins perforate membranes of host cells for intracellular delivery of bacterial factors , for bacterial escape from phagosomes or in order to kill cells . Loss of membrane integrity , ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"toxins",
"pathology",
"and",
"laboratory",
"medicine",
"viral",
"transmission",
"and",
"infection",
"pathogens",
"endothelial",
"cells",
"microbiology",
"cadherins",
"toxic",
"agents",
"toxicology",
"pseudomonas",
"aeruginosa",
... | 2017 | Pseudomonas aeruginosa ExlA and Serratia marcescens ShlA trigger cadherin cleavage by promoting calcium influx and ADAM10 activation |
Analyses of genome reduction in obligate bacterial symbionts typically focus on the removal and retention of protein-coding regions , which are subject to ongoing inactivation and deletion . However , these same forces operate on intergenic spacers ( IGSs ) and affect their contents , maintenance , and rates of evoluti... | Endosymbiotic associations , such as that between Buchnera aphidicola and its aphid hosts , persist for millions of years and result in substantial changes to symbiont genomes . Most notably , symbionts exhibit reductions in genome size , the accumulation of slightly deleterious mutations , and rapid rates of evolution... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genomics",
"genome",
"evolution",
"microbial",
"evolution",
"genetics",
"and",
"genomics",
"biology",
"evolutionary",
"biology",
"genomic",
"evolution",
"comparative",
"genomics",
"evolutionary",
"genetics",
"microbiology"
] | 2011 | Sequence Conservation and Functional Constraint on Intergenic Spacers in Reduced Genomes of the Obligate Symbiont Buchnera |
People make numerous decisions every day including perceptual decisions such as walking through a crowd , decisions over primary rewards such as what to eat , and social decisions that require balancing own and others’ benefits . The unifying principles behind choices in various domains are , however , still not well u... | One critical question that concerns all disciplines involved in the study of human decision-making is whether different types of decisions are made in different ways , or whether there exists a common decision mechanism that underlies human choices . If the latter , what are the properties of that mechanism ? Here we c... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [] | 2015 | A Common Mechanism Underlying Food Choice and Social Decisions |
Successful treatment of aspergillosis caused by Aspergillus fumigatus is threatened by an increasing incidence of drug resistance . This situation is further complicated by the finding that strains resistant to azoles , the major antifungal drugs for aspergillosis , have been widely disseminated across the globe . To e... | Better survival of chronically ill patients has produced an increased number of cases involving fungal infectious disease . This is partly due to a larger number of immunocompromised patients . Meanwhile , the catalogue of antifungal drugs remains quite limited and the appearance of resistant isolates is becoming more ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"aspergillus",
"fumigatus",
"medicine",
"and",
"health",
"sciences",
"chemical",
"compounds",
"pathology",
"and",
"laboratory",
"medicine",
"aspergillus",
"fungal",
"genetics",
"gene",
"regulation",
"pathogens",
"regulatory",
"proteins",
"microbiology",
"dna-binding",
"pr... | 2017 | A Novel Zn2-Cys6 Transcription Factor AtrR Plays a Key Role in an Azole Resistance Mechanism of Aspergillus fumigatus by Co-regulating cyp51A and cdr1B Expressions |
Basement membranes ( BMs ) are thin sheet-like specialized extracellular matrices found at the basal surface of epithelia and endothelial tissues . They have been conserved across evolution and are required for proper tissue growth , organization , differentiation and maintenance . The major constituents of BMs are two... | Basement membranes ( BMs ) are thin layers of specialized extracellular matrices present in every tissue of the human body . Its main constituents are two networks of laminin and Type IV Collagen linked by Nidogen ( Ndg ) and proteoglycans . They form an organized scaffold that regulates organ morphogenesis and functio... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"blood",
"cells",
"invertebrates",
"caenorhabditis",
"animals",
"collagens",
"animal",
"models",
"developmental",
"biology",
"caenorhabditis",
"elegans",
"drosophila",
"melanogaster",
"model",
"organisms",
"experimental",
"organism",
"systems",
"embryos",
"drosophila",
"res... | 2018 | Dissection of Nidogen function in Drosophila reveals tissue-specific mechanisms of basement membrane assembly |
During Alzheimer's Disease , sustained exposure to amyloid-β42 oligomers perturbs metabolism of ether-linked glycerophospholipids defined by a saturated 16 carbon chain at the sn-1 position . The intraneuronal accumulation of 1-O-hexadecyl-2-acetyl-sn-glycerophosphocholine ( C16:0 PAF ) , but not its immediate precurso... | Accelerated cognitive decline in Alzheimer's patients is associated with accumulation of choline-containing lipids . One of these lipids , C16:0 platelet activating factor ( PAF ) , is specifically elevated in brains of Alzheimer's patients . As elevated exposure to C16:0 PAF ultimately leads to neuronal death , it is ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"and",
"genomics/functional",
"genomics",
"geriatrics/dementia",
"biochemistry/chemical",
"biology",
"of",
"the",
"cell",
"genetics",
"and",
"genomics/disease",
"models",
"genetics",
"and",
"genomics/gene",
"function",
"biochemistry/cell",
"signaling",
"and",
"t... | 2011 | Srf1 Is a Novel Regulator of Phospholipase D Activity and Is Essential to Buffer the Toxic Effects of C16:0 Platelet Activating Factor |
Bacterial pathogens often manipulate host immune pathways to establish acute and chronic infection . Many Gram-negative bacteria do this by secreting effector proteins through a type III secretion system that alter the host response to the pathogen . In this study , we determined that the phage-encoded GogB effector pr... | Bacterial pathogens have evolved sophisticated ways to subvert the innate defenses of their host . One way in which pathogens do so is by blocking or dampening the inflammatory response that is triggered once a microorganism is detected by the innate immune system . In this way , the microorganism can limit the activat... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"inflammation",
"immunity",
"microbial",
"pathogens",
"biology",
"microbiology",
"host-pathogen",
"interaction",
"microbial",
"growth",
"and",
"development",
"bacterial",
"pathogens"
] | 2012 | GogB Is an Anti-Inflammatory Effector that Limits Tissue Damage during Salmonella Infection through Interaction with Human FBXO22 and Skp1 |
Plus-stranded RNA viruses replicate in infected cells by assembling viral replicase complexes consisting of viral- and host-coded proteins . Previous genome-wide screens with Tomato bushy stunt tombusvirus ( TBSV ) in a yeast model host revealed the involvement of seven ESCRT ( endosomal sorting complexes required for ... | Plus-stranded RNA viruses , which are important pathogens of humans , animals and plants , replicate in infected cells by assembling viral replicase complexes consisting of viral- and host-coded proteins . In this paper , we show that a group of host factors called ESCRT proteins ( endosomal sorting complexes required ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"virology/mechanisms",
"of",
"resistance",
"and",
"susceptibility,",
"including",
"host",
"genetics",
"virology/viral",
"replication",
"and",
"gene",
"regulation",
"virology"
] | 2009 | A Unique Role for the Host ESCRT Proteins in Replication of Tomato bushy stunt virus |
Genetic analyses of human lice have shown that the current taxonomic classification of head lice ( Pediculus humanus capitis ) and body lice ( Pediculus humanus humanus ) does not reflect their phylogenetic organization . Three phylotypes of head lice A , B and C exist but body lice have been observed only in phylotype... | While being phenotypically and physiologically different , human head and body lice are indistinguishable based on mitochondrial and nuclear genes . As protein-coding genes are too conserved to provide significant genetic diversity , we performed strain-typing of a large collection of human head and body lice using var... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"genetics",
"and",
"genomics/genomics",
"microbiology/medical",
"microbiology",
"infectious",
"diseases/bacterial",
"infections"
] | 2010 | Genotyping of Human Lice Suggests Multiple Emergences of Body Lice from Local Head Louse Populations |
Several vertebrate microRNAs ( miRNAs ) have been implicated in cellular processes such as muscle differentiation , synapse function , and insulin secretion . In addition , analysis of Dicer null mutants has shown that miRNAs play a role in tissue morphogenesis . Nonetheless , only a few loss-of-function phenotypes for... | The striking tissue-specific expression patterns of microRNAs ( miRNAs ) suggest that they play a role in tissue development . These small RNA molecules ( ∼22 bases in length ) are processed from long primary transcripts ( pri-miRNA ) and regulate gene expression at the posttranscriptional level . There are hundreds of... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology",
"danio",
"(zebrafish)",
"vertebrates",
"molecular",
"biology"
] | 2007 | Targeted Inhibition of miRNA Maturation with Morpholinos Reveals a Role for miR-375 in Pancreatic Islet Development |
Sister chromatid cohesion , which is mediated by the cohesin complex , is essential for the proper segregation of chromosomes in mitosis and meiosis . The establishment of stable sister chromatid cohesion occurs during DNA replication and involves acetylation of the complex by the acetyltransferase CTF7 . In higher euk... | Wapl has been shown to play an integral role in the removal of cohesin from chromosomes during mitotic prophase . While Wapl's role appears to be conserved between yeast , fly and animal cells , structural and possible mechanistic differences have also been identified . As part of a study to better understand the prote... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"meiosis",
"plant",
"growth",
"and",
"development",
"cell",
"cycle",
"and",
"cell",
"division",
"plant",
"cell",
"biology",
"cell",
"processes",
"brassica",
"cytogenetic",
"analysis",
"developmental",
"biology",
"plant",
"science",
"model",
"organisms",
"plants",
"a... | 2014 | Arabidopsis thaliana WAPL Is Essential for the Prophase Removal of Cohesin during Meiosis |
We develop a quantitative single cell-based mathematical model for multi-cellular tumor spheroids ( MCTS ) of SK-MES-1 cells , a non-small cell lung cancer ( NSCLC ) cell line , growing under various nutrient conditions: we confront the simulations performed with this model with data on the growth kinetics and spatial ... | We here present how to parameterize a mathematical agent-based model of growing MCTS almost completely from experimental data . MCTS show a similar establishment of pathophysiological gradients and concentric arrangement of heterogeneous cell populations as found in avascular tumor nodules . We build a process chain of... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"carbohydrate",
"metabolism",
"cell",
"death",
"chemical",
"compounds",
"oxygen",
"cell",
"cycle",
"and",
"cell",
"division",
"cell",
"processes",
"carbohydrates",
"glucose",
"metabolism",
"organic",
"compounds",
"glucose",
"oxygen",
"metabolism",
"cellular",
"structure... | 2016 | Inferring Growth Control Mechanisms in Growing Multi-cellular Spheroids of NSCLC Cells from Spatial-Temporal Image Data |
Although Plasmodium vivax infection is a frequent cause of malaria worldwide , severe presentations have been more regularly described only in recent years . In this setting , despite clinical descriptions of multi-organ involvement , data associating it with kidney dysfunction are relatively scarce . Here , renal dysf... | Severe clinical presentations of Plasmodium vivax malaria are not completely understood . Multi-organ involvement is described in severe vivax cases , however data associating it with kidney dysfunction are relatively scarce , in part because the clinical signs only appear late during kidney injury . We analyzed biomar... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"inflammatory",
"diseases",
"heme",
"medicine",
"and",
"health",
"sciences",
"parasite",
"groups",
"body",
"fluids",
"pathology",
"and",
"laboratory",
"medicine",
"plasmodium",
"immunology",
"tropical",
"diseases",
"bile",
"biomarkers",
"parasitic",
"diseases",
"parasit... | 2018 | Distinct inflammatory profile underlies pathological increases in creatinine levels associated with Plasmodium vivax malaria clinical severity |
Most cancer cells harbor multiple drivers whose epistasis and interactions with expression context clouds drug and drug combination sensitivity prediction . We constructed a mechanistic computational model that is context-tailored by omics data to capture regulation of stochastic proliferation and death by pan-cancer d... | Cancer is a complex and diverse disease . Two people with the same cancer type often respond differently to the same treatment . These differences are primarily driven by the fact that two type-matched tumors can possess distinct sets of mutations and gene expression profiles , provoking differential sensitivity to dru... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"cell",
"death",
"medicine",
"and",
"health",
"sciences",
"diabetic",
"endocrinology",
"cell",
"cycle",
"and",
"cell",
"division",
"cell",
"processes",
"messenger",
"rna",
"hormones",
"erk",
"signaling",
"cascade",
"insulin",
"endocrinology",
"biochemistry",
"rna",
... | 2018 | A mechanistic pan-cancer pathway model informed by multi-omics data interprets stochastic cell fate responses to drugs and mitogens |
Since cholera appeared in Africa during the 1970s , cases have been reported on the continent every year . In Sub-Saharan Africa , cholera outbreaks primarily cluster at certain hotspots including the African Great Lakes Region and West Africa . In this study , we applied MLVA ( Multi-Locus Variable Number Tandem Repea... | Cholera is caused by the toxigenic bacterium Vibrio cholerae . Since cholera was imported into the West African country of Guinea in 1970 , cases have been reported on the continent every year . In Sub-Saharan Africa , cholera occurs in a heterogeneous manner; outbreaks primarily cluster at certain hotspots including t... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [] | 2015 | Relationship between Distinct African Cholera Epidemics Revealed via MLVA Haplotyping of 337 Vibrio cholerae Isolates |
Recent advances in sequencing technologies have enabled the production of massive amounts of data on somatic mutations from cancer genomes . These data have led to the detection of characteristic patterns of somatic mutations or “mutation signatures” at an unprecedented resolution , with the potential for new insights ... | Somatic ( non-inherited ) mutations are acquired throughout our lives in cells throughout our body . These mutations can be caused , for example , by DNA replication errors or exposure to environmental mutagens such as tobacco smoke . Some of these mutations can lead to cancer . Different cancers , and even different i... | [
"Abstract",
"Introduction",
"Result",
"Discussion",
"Methods"
] | [] | 2015 | A Simple Model-Based Approach to Inferring and Visualizing Cancer Mutation Signatures |
The galactosaminogalactan ( GAG ) is a cell wall component of Aspergillus fumigatus that has potent anti-inflammatory effects in mice . However , the mechanisms responsible for the anti-inflammatory property of GAG remain to be elucidated . In the present study we used in vitro PBMC stimulation assays to demonstrate , ... | Aspergillus fumigatus is an opportunistic pathogenic fungus that primarily causes infections in the immunocompromised host . It is known that Aspergillus employs various strategies to evade immune recognition by the host's immune system . Recently , galactosaminogalactan ( GAG ) , a new component of the Aspergillus cel... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"biochemistry",
"infectious",
"diseases",
"mycology",
"medical",
"microbiology",
"immunology",
"biology",
"microbiology",
"pathogenesis"
] | 2014 | A Polysaccharide Virulence Factor from Aspergillus fumigatus Elicits Anti-inflammatory Effects through Induction of Interleukin-1 Receptor Antagonist |
Phenotype switching is commonly observed in nature . This prevalence has allowed the elucidation of a number of underlying molecular mechanisms . However , little is known about how phenotypic switches arise and function in their early evolutionary stages . The first opportunity to provide empirical insight was deliver... | Phenotype switching—the ability to switch rapidly between phenotypic states—is an evolutionary survival strategy commonly used by organisms in the face of unpredictable environmental conditions . However , little is known about how phenotype switches emerge and function in their early evolutionary stages . A previous s... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Bistability in a Metabolic Network Underpins the De Novo Evolution of Colony Switching in Pseudomonas fluorescens |
The gammaherpesviruses , including Epstein-Barr virus ( EBV ) and Kaposi's sarcoma-associated herpesvirus ( KSHV ) , establish latency in memory B lymphocytes and promote lymphoproliferative disease in immunocompromised individuals . The precise immune mechanisms that prevent gammaherpesvirus reactivation and tumorigen... | Herpesviruses establish life-long infection in a non-replicating state termed latency . During immune compromise , herpesviruses can reactivate and cause severe disease , including cancer . We investigated mechanisms by which interferons alpha/beta ( IFNαβ ) , a family of antiviral immune genes , inhibit reactivation o... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"animal",
"models",
"animal",
"models",
"of",
"infection",
"model",
"organisms",
"viral",
"immune",
"evasion",
"immunity",
"virology",
"innate",
"immunity",
"viral",
"persistence",
"and",
"latency",
"immune",
"defense",
"biology",
"microbiology",
"mouse",
"pathogenesi... | 2011 | A Gammaherpesvirus Cooperates with Interferon-alpha/beta-Induced IRF2 to Halt Viral Replication, Control Reactivation, and Minimize Host Lethality |
Influenza virus infection remains a public health problem worldwide . The mechanisms underlying viral control during an uncomplicated influenza virus infection are not fully understood . Here , we developed a mathematical model including both innate and adaptive immune responses to study the within-host dynamics of equ... | Influenza , commonly referred to as the flu , is a contagious respiratory illness caused by influenza virus infections . Although most infected subjects with intact immune systems are able to clear the virus without developing serious flu complications , the mechanisms underlying viral control are not fully understood ... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"nonlinear",
"dynamics",
"mathematics",
"theoretical",
"biology",
"viral",
"transmission",
"and",
"infection",
"population",
"modeling",
"virology",
"immunology",
"biology",
"computational",
"biology",
"microbiology",
"viral",
"load",
"immune",
"response"
] | 2012 | Modeling Within-Host Dynamics of Influenza Virus Infection Including Immune Responses |
Polycomb group ( PcG ) proteins are transcriptional repressors of genes involved in development and differentiation , and also maintain repression of key genes involved in the cell cycle , indirectly regulating cell proliferation . The human SCML2 gene , a mammalian homologue of the Drosophila PcG protein SCM , encodes... | The processes of development and differentiation require an exquisite coordination of the gene expression program with the proliferation of the cells . The Polycomb group of proteins are important development regulators and most research to date has focused on their involvement in maintaining epigenetic silencing of ge... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2013 | Polycomb Protein SCML2 Regulates the Cell Cycle by Binding and Modulating CDK/CYCLIN/p21 Complexes |
During nervous system development , neuronal cell bodies and their axodendritic projections are precisely positioned through transiently expressed patterning cues . We show here that two neuronally expressed , secreted immunoglobulin ( Ig ) domain-containing proteins , ZIG-5 and ZIG-8 , have no detectable role during e... | The structure of nervous systems is determined during embryonic development . After this developmental patterning phase , active maintenance mechanisms are required to uphold the structural integrity of the nervous system . This concept was revealed through the genetic elimination of factors in the nematode Caenorhabdi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"animal",
"models",
"caenorhabditis",
"elegans",
"cellular",
"neuroscience",
"animal",
"genetics",
"model",
"organisms",
"genetics",
"biology",
"neuroscience",
"genetics",
"and",
"genomics"
] | 2012 | The Secreted Immunoglobulin Domain Proteins ZIG-5 and ZIG-8 Cooperate with L1CAM/SAX-7 to Maintain Nervous System Integrity |
Current methods for studying the genetic basis of adaptation evaluate genetic associations with ecologically relevant traits or single environmental variables , under the implicit assumption that natural selection imposes correlations between phenotypes , environments and genotypes . In practice , observed trait and en... | Finding genes involved in adaptation to the environment has long been of interest to evolutionary biologists and ecologists . Most commonly , researchers look for loci whose differences in allelic state correlate with differences in a particular trait or environmental variable such as temperature . The implicit assumpt... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Genome-Wide Association Analysis of Adaptation Using Environmentally Predicted Traits |
Gene duplication with subsequent interaction divergence is one of the primary driving forces in the evolution of genetic systems . Yet little is known about the precise mechanisms and the role of duplication divergence in the evolution of protein networks from the prokaryote and eukaryote domains . We developed a novel... | The importance of gene duplication to biological evolution has been recognized since the 1930s . For more than a decade , substantial evidence has been collected from genomic sequence data in order to elucidate the importance and the mechanisms of gene duplication; however , most biological characteristics arise from c... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"mathematics",
"plasmodium",
"computational",
"biology",
"evolutionary",
"biology",
"eubacteria"
] | 2007 | Using Likelihood-Free Inference to Compare Evolutionary Dynamics of the Protein Networks of H. pylori and P. falciparum |
Invasive infections associated with non-typhoidal Salmonella ( NTS ) serovars Enteritidis ( SE ) , Typhimurium ( STm ) and monophasic variant 1 , 4 , [5] , 12:i:- are a major health problem in infants and young children in sub-Saharan Africa , and currently , there are no approved human NTS vaccines . NTS O-polysacchar... | In sub-Saharan Africa , invasive non-typhoidal Salmonella ( NTS ) infections with serovars Enteritidis ( SE ) and Typhimurium ( STm ) are widespread in children , where up to 30% of cases are fatal . There are several licensed typhoid vaccines but no NTS vaccines . We previously reported that conjugates of SE lipopolys... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"bacteriology",
"medicine",
"and",
"health",
"sciences",
"immune",
"physiology",
"enzyme-linked",
"immunoassays",
"pathology",
"and",
"laboratory",
"medicine",
"pathogens",
"immunology",
"microbiology",
"vaccines",
"bacterial",
"diseases",
"enterobacteriaceae",
"infectious",
... | 2017 | Development of a glycoconjugate vaccine to prevent invasive Salmonella Typhimurium infections in sub-Saharan Africa |
Neural circuits in the medial entorhinal cortex ( MEC ) encode an animal’s position and orientation in space . Within the MEC spatial representations , including grid and directional firing fields , have a laminar and dorsoventral organization that corresponds to a similar topography of neuronal connectivity and cellul... | Higher brain functions such as spatial cognition are carried out in specialized brain areas . Within a specialized brain area nerve cells with different functions are organized in layers and gradients . It is possible that this topographical organization reflects underlying differences in molecular organization of the ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Laminar and Dorsoventral Molecular Organization of the Medial Entorhinal Cortex Revealed by Large-scale Anatomical Analysis of Gene Expression |
Recorded potentials in the extracellular space ( ECS ) of the brain is a standard measure of population activity in neural tissue . Computational models that simulate the relationship between the ECS potential and its underlying neurophysiological processes are commonly used in the interpretation of such measurements .... | When electrical potentials are measured in the extracellular space ( ECS ) of the brain , they are interpreted as a signature of neural signalling . The relationship between the ECS potentials and the underlying neuronal processes is often studied with the aid of computer models . The ECS potential is typically assumed... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"nervous",
"system",
"membrane",
"potential",
"ions",
"electrophysiology",
"neuroscience",
"simulation",
"and",
"modeling",
"computational",
"neuroscience",
"neuronal",
"dendrites",
"physical",
"chemistry",
"research",
"and",
"anal... | 2016 | Effect of Ionic Diffusion on Extracellular Potentials in Neural Tissue |
Extreme differences in allele frequency between West Africans and Eurasians were observed for a leucine-to-valine substitution ( Leu372Val ) in the human intestinal zinc uptake transporter , ZIP4 , yet no further evidence was found for a selective sweep around the ZIP4 gene ( SLC39A4 ) . By interrogating allele frequen... | Zinc is an essential trace element with many biological functions in the body , whose concentrations are tightly regulated by different membrane transporters . Here we report an unusual case of positive natural selection for an amino acid replacement in the human intestinal zinc uptake transporter ZIP4 . This substitut... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"mutation",
"haplotypes",
"genomics",
"adaptation",
"genetic",
"mutation",
"genetic",
"polymorphism",
"natural",
"selection",
"genetics",
"population",
"genetics",
"evolutionary",
"selection",
"biology",
"comparative",
"genomics",
"evolutionary",
"biology",
"evolutionary",
... | 2014 | Extreme Population Differences in the Human Zinc Transporter ZIP4 (SLC39A4) Are Explained by Positive Selection in Sub-Saharan Africa |
Metazoans protect themselves from environmental toxins and virulent pathogens through detoxification and immune responses . We previously identified a small molecule xenobiotic toxin that extends survival of Caenorhabditis elegans infected with human bacterial pathogens by activating the conserved p38 MAP kinase PMK-1 ... | Metazoans respond to environmental threats in part through conserved pathways that coordinate protective transcriptional responses . During infection with an invasive pathogen , for example , innate immune pathways regulate the secretion of antimicrobial immune effectors . Likewise , exposure to toxic molecules leads t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"invertebrates",
"innate",
"immune",
"system",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"caenorhabditis",
"immunology",
"microbiology",
"animals",
"animal",
"models",
"bacterial",
"diseases",
"caenorhabditis",
"elegans",
"mode... | 2014 | The Evolutionarily Conserved Mediator Subunit MDT-15/MED15 Links Protective Innate Immune Responses and Xenobiotic Detoxification |
Populations of human cytomegalovirus ( HCMV ) , a large DNA virus , are highly polymorphic in patient samples , which may allow for rapid evolution within human hosts . To understand HCMV evolution , longitudinally sampled genomic populations from the urine and plasma of 5 infants with symptomatic congenital HCMV infec... | The large , dsDNA virus Human cytomegalovirus ( HCMV ) is the most genetically complex viral pathogen of humans . HCMV populations are highly variable , which may allow the virus to evolve in human hosts on short timescales . We tested this hypothesis by longitudinally sampling HCMV populations from the urine and/or pl... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2013 | Rapid Intrahost Evolution of Human Cytomegalovirus Is Shaped by Demography and Positive Selection |
Basal gene expression levels have been shown to be predictive of cellular response to cytotoxic treatments . However , such analyses do not fully reveal complex genotype- phenotype relationships , which are partly encoded in highly interconnected molecular networks . Biological pathways provide a complementary way of u... | Gene expression levels have been used to study the cellular response to drug treatments . However , analysis of gene expression without considering gene interactions cannot fully reveal complex genotype-phenotype relationships . Biological pathways reveal the interactions among genes , thus providing a complementary wa... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"cancer",
"genomics",
"medicine",
"and",
"health",
"sciences",
"genetic",
"networks",
"protein",
"interactions",
"protein",
"interaction",
"networks",
"basic",
"cancer",
"research",
"oncology",
"integrins",
"pharmaceutics",
"network",
"analysis",
"cellular",
"structures",... | 2019 | Identification of pathways associated with chemosensitivity through network embedding |
Borrelia burgdorferi , the agent of Lyme disease , has cholesterol and cholesterol-glycolipids that are essential for bacterial fitness , are antigenic , and could be important in mediating interactions with cells of the eukaryotic host . We show that the spirochetes can acquire cholesterol from plasma membranes of epi... | Lyme disease , the most prevalent arthropod-borne disease in North America , is caused by the spirochete Borrelia burgdorferi . Cholesterol is a significant component of the B . burgdorferi membrane lipids , and is processed to make cholesterol-glycolipids . Our interest in the presence of cholesterol in B . burgdorfer... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"gram",
"negative",
"microbial",
"pathogens",
"biology",
"microbiology",
"host-pathogen",
"interaction",
"bacterial",
"pathogens"
] | 2013 | Lipid Exchange between Borrelia burgdorferi and Host Cells |
Type 1 fimbriae are a crucial factor for the virulence of uropathogenic Escherichia coli during the first steps of infection by mediating adhesion to epithelial cells . They are also required for the consequent colonization of the tissues and for invasion of the uroepithelium . Here , we studied the role of the special... | Attachment of bacteria to the surface of host tissues is a crucial initial step in the establishment of bacterial infections . This process is mediated by adhesins , such as the type 1 fimbriae of Escherichia coli , which play a key role during urinary tract infections by mediating adhesion to the uroepithelium . The e... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"biology/microbial",
"physiology",
"and",
"metabolism",
"microbiology/microbial",
"growth",
"and",
"development",
"microbiology/cellular",
"microbiology",
"and",
"pathogenesis"
] | 2009 | Type 1 Fimbriae, a Colonization Factor of Uropathogenic Escherichia coli, Are Controlled by the Metabolic Sensor CRP-cAMP |
The mammalian odorant receptor ( OR ) repertoire is an attractive model to study evolution , because ORs have been subjected to rapid evolution between species , presumably caused by changes of the olfactory system to adapt to the environment . However , functional assessment of ORs in related species remains largely u... | The mammalian odorant receptor repertoire has been subjected to significant gene duplication and gene loss between species , presumably to adapt to the environment of an organism . However , even in distantly related species , a clear orthologous relationship exists for many genes . While ligands have been identified f... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"genetics",
"biology",
"evolutionary",
"biology",
"evolutionary",
"genetics",
"genetics",
"and",
"genomics",
"gene",
"function"
] | 2012 | Functional Evolution of Mammalian Odorant Receptors |
Hypoxia induces the expression of genes that alter metabolism through the hypoxia-inducible factor ( HIF ) . A theoretical model based on differential equations of the hypoxia response network has been previously proposed in which a sharp response to changes in oxygen concentration was observed but not quantitatively e... | A complex biomolecular network utilizes different pathways to perform different functions . However , the interactions within the network are typically so complicated that the pathway structure is usually hidden . By some mathematical techniques , the pathways can be identified and possibly decoupled , whereby the insi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods",
"Supporting",
"Information"
] | [
"computational",
"biology",
"biophysics",
"animals"
] | 2007 | Pathway Switching Explains the Sharp Response Characteristic of Hypoxia Response Network |
Myxococcus xanthus cells self-organize into periodic bands of traveling waves , termed ripples , during multicellular fruiting body development and predation on other bacteria . To investigate the mechanistic basis of rippling behavior and its physiological role during predation by this Gram-negative soil bacterium , w... | Myxococcus xanthus cells collectively move on solid surfaces and reorganize their colonies in response to environmental cues . Under some conditions , cells exhibit an intriguing form of collective motility by self-organizing into bands of travelling alternating-density waves termed ripples . These waves are distinct f... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"complex",
"systems",
"cell",
"motility",
"mathematics",
"applied",
"mathematics",
"biology",
"computational",
"biology",
"microbiology",
"biophysics",
"microbial",
"growth",
"and",
"development"
] | 2012 | The Mechanistic Basis of Myxococcus xanthus Rippling Behavior and Its Physiological Role during Predation |
Chagas' disease is caused by the protozoan parasite Trypanosoma cruzi and affects approximately 10 million people in endemic areas of Mexico and Central and South America . Currently available chemotherapies are limited to two compounds: Nifurtimox and Benznidazole . Both drugs reduce the symptoms of the disease and mo... | Trypanosoma cruzi is a parasite transmitted to mammal hosts by insect vectors known as kissing bugs . This species can result pathogenic for humans , causing Chagas' disease in the Americas . Its treatment relies on two drugs discovered more than 40 years ago . Besides their toxicity , a main drawback of these drugs is... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"parastic",
"protozoans",
"protozoology",
"biology",
"microbiology",
"parasitology"
] | 2014 | Memantine, an Antagonist of the NMDA Glutamate Receptor, Affects Cell Proliferation, Differentiation and the Intracellular Cycle and Induces Apoptosis in Trypanosoma cruzi |
It is now widely recognized that robustness is an inherent property of biological systems [1] , [2] , [3] . The contribution of close sequence homologs to genetic robustness against null mutations has been previously demonstrated in simple organisms [4] , [5] . In this paper we investigate in detail the contribution of... | Genetic robustness is the ability of an organism to buffer deleterious genetic mutations . It has been previously demonstrated that the functional compensation by duplicates plays an important role in protection against gene deletions in model organisms . Close duplicates often share similar functions , and loss of one... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Methods"
] | [
"genetics",
"and",
"genomics/bioinformatics",
"computational",
"biology/genomics"
] | 2008 | Role of Duplicate Genes in Robustness against Deleterious Human Mutations |
The 24-nucleotides ( nt ) phased secondary small interfering RNA ( phasiRNA ) is a unique class of plant small RNAs abundantly expressed in monocot anthers at early meiosis . Previously , 44 intergenic regions were identified as the loci for longer precursor RNAs of 24-nt phasiRNAs ( 24-PHASs ) in the rice genome . How... | Meiotic crossover formation shuffles homologous genes between parental genomes , and enables transmission of new gene sets to the offspring . Frequency and positions of crossovers are determined by numerous genetic and epigenetic factors , and low nucleosome-density regions are associated with crossover hot spots in ye... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biotechnology",
"meiosis",
"plant",
"anatomy",
"gene",
"regulation",
"cell",
"cycle",
"and",
"cell",
"division",
"cell",
"processes",
"plant",
"science",
"rice",
"genetically",
"modified",
"plants",
"experimental",
"organism",
"systems",
"sequence",
"motif",
"analysi... | 2018 | EAT1 transcription factor, a non-cell-autonomous regulator of pollen production, activates meiotic small RNA biogenesis in rice anther tapetum |
While the contribution of CD8+ cytotoxic T lymphocytes to early containment of HIV-1 spread is well established , a role for NK cells in controlling HIV-1 replication during primary infection has been uncertain . The highly polymorphic family of KIR molecules expressed on NK cells can inhibit or activate these effector... | NK cells are effector cells of the innate immune system that contribute to protection against virus infections through their ability to lyse virus-infected cells without prior antigen sensitization . Their role in controlling HIV-1 replication during primary infection has been uncertain . NK cell activation is regulate... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"infectious",
"diseases",
"immune",
"cells",
"nk",
"cells",
"immunity",
"innate",
"immunity",
"hiv",
"immunology",
"biology",
"viral",
"diseases"
] | 2011 | Association of Activating KIR Copy Number Variation of NK Cells with Containment of SIV Replication in Rhesus Monkeys |
Our actions take place in space and time , but despite the role of time in decision theory and the growing acknowledgement that the encoding of time is crucial to behaviour , few studies have considered the interactions between neural codes for objects in space and for elapsed time during perceptual decisions . The spe... | Studies in neuroscience have characterized how the brain represents objects in space and how these objects are selected for detailed perceptual processing . The selection process entails a decision about which object is favoured by the available evidence over time . This period of time is typically in the range of hund... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"computational",
"neuroscience",
"sensory",
"systems",
"biology",
"computational",
"biology"
] | 2013 | Trading Speed and Accuracy by Coding Time: A Coupled-circuit Cortical Model |
Genome wide association studies ( GWAS ) have revealed 11 independent risk loci for polycystic ovary syndrome ( PCOS ) , a common disorder in young women characterized by androgen excess and oligomenorrhea . To put these risk loci and the single nucleotide polymorphisms ( SNPs ) therein into functional context , we mea... | Polycystic ovary syndrome ( PCOS ) is the most common hormonal disturbance in reproductive age women and features high levels of male sex hormones , such as testosterone , and infrequent ovulation . Twin studies have demonstrated that inheritance plays a significant role in PCOS , and recent genome wide association stu... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Systems Genetics Reveals the Functional Context of PCOS Loci and Identifies Genetic and Molecular Mechanisms of Disease Heterogeneity |
Anthrax is hyper-endemic in West Africa . Despite the effectiveness of livestock vaccines in controlling anthrax , underreporting , logistics , and limited resources makes implementing vaccination campaigns difficult . To better understand the geographic limits of anthrax , elucidate environmental factors related to it... | Anthrax is a soil-borne zoonotic disease found worldwide . In the West African nation of Ghana , anthrax outbreaks occur annually with a high burden to livestock keepers and their animals . To control anthrax in both humans and animals , annual livestock vaccination is recommended in endemic regions . However , in reso... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"livestock",
"medicine",
"and",
"health",
"sciences",
"immunology",
"geographical",
"locations",
"vaccines",
"preventive",
"medicine",
"bacterial",
"diseases",
"infectious",
"disease",
"control",
"vaccination",
"and",
"immunization",
"africa",
"veterinary",
"science",
"ve... | 2017 | Modeling the environmental suitability of anthrax in Ghana and estimating populations at risk: Implications for vaccination and control |
Chagas disease ( CD ) is a major public health concern in Latin America and a potentially serious emerging threat in non-endemic countries . Although the association between CD and cardiac abnormalities is widely reported , study design diversity , sample size and quality challenge the information , calling for its upd... | Chagas disease ( CD ) is a major public health concern in Latin America and a potentially serious emerging threat in non-endemic countries . Although the association between CD and cardiac abnormalities is widely reported , study design diversity , sample size and quality challenge the information , calling for its upd... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"tropical",
"diseases",
"database",
"searching",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"electrocardiography",
"mathematics",
"protozoans",
"statistics",
"(mathematics)",
"bioassays",
"and",
"physiological",
"analysis",
... | 2018 | Electrocardiographic abnormalities in Chagas disease in the general population: A systematic review and meta-analysis |
Antisense transcription is a prevalent feature at mammalian promoters . Previous studies have primarily focused on antisense transcription initiating upstream of genes . Here , we characterize promoter-proximal antisense transcription downstream of gene transcription starts sites in human breast cancer cells , investig... | Gene transcription is regulated by the coordinated interaction of genetic , epigenetic and trans-acting factors . The chromatin environment at gene promoters , including positioned nucleosomes that may display functional histone modifications , is a key regulator of gene expression , contributing to transcriptional act... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"sequencing",
"techniques",
"gene",
"regulation",
"regulatory",
"proteins",
"dna-binding",
"proteins",
"dna",
"transcription",
"transcription",
"factors",
"sequence",
"motif",
"analysis",
"molecular",
"biology",
"techniques",
"epigenetics",
"chromatin",
"research",
"and",
... | 2016 | Downstream Antisense Transcription Predicts Genomic Features That Define the Specific Chromatin Environment at Mammalian Promoters |
Neutrophil abscess formation is critical in innate immunity against many pathogens . Here , the mechanism of neutrophil abscess formation was investigated using a mouse model of Staphylococcus aureus cutaneous infection . Gene expression analysis and in vivo multispectral noninvasive imaging during the S . aureus infec... | Invasive infections caused by the human pathogen Staphylococcus aureus result in more deaths annually than infections caused by any other single infectious agent in the United States . Although neutrophil recruitment and abscess formation is crucial for effective host defense against this pathogen , how neutrophils sen... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"dermatology",
"immunity",
"to",
"infections",
"immunology",
"microbiology",
"staphylococcus",
"aureus",
"animal",
"models",
"bacterial",
"diseases",
"model",
"organisms",
"skin",
"infections",
"staphylococci",
"immunologic",
"techniques",
"bacterial",
"pathogen... | 2012 | Neutrophil-derived IL-1β Is Sufficient for Abscess Formation in Immunity against Staphylococcus aureus in Mice |
The concept of dynamical compensation has been recently introduced to describe the ability of a biological system to keep its output dynamics unchanged in the face of varying parameters . However , the original definition of dynamical compensation amounts to lack of structural identifiability . This is relevant if mode... | A robust behaviour is a desirable feature in many biological systems . The study of mechanisms capable of maintaining the transient response unchanged despite environmental disturbances has recently motivated the introduction of a new concept: Dynamical Compensation ( DC ) . However , the original definition of DC with... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Conclusions",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"chemical",
"compounds",
"diabetic",
"endocrinology",
"carbohydrates",
"organic",
"compounds",
"glucose",
"hormones",
"physiological",
"processes",
"systems",
"science",
"mathematics",
"homeostasis",
"evolutionary",
"adaptation",
"in... | 2017 | Dynamical compensation and structural identifiability of biological models: Analysis, implications, and reconciliation |
Listeria monocytogenes is a bacterial pathogen whose genome encodes many cell wall proteins that bind covalently to peptidoglycan . Some members of this protein family have a key role in virulence , and recent studies show that some of these , such as Lmo0514 , are upregulated in bacteria that colonize eukaryotic cells... | Listeria monocytogenes has evolved to adapt to numerous environments , including the intracellular niche of eukaryotic cells . Small RNAs ( sRNA ) play important regulatory roles in changing environments , and are thus predicted to modulate L . monocytogenes adaption to the intracellular lifestyle . This study shows ho... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"molecular",
"biology",
"biology",
"and",
"life",
"sciences",
"microbiology"
] | 2014 | The Listeria Small RNA Rli27 Regulates a Cell Wall Protein inside Eukaryotic Cells by Targeting a Long 5′-UTR Variant |
Pattern separation is a central concept in current theories of episodic memory: this computation is thought to support our ability to avoid confusion between similar memories by transforming similar cortical input patterns of neural activity into dissimilar output patterns before their long-term storage in the hippocam... | Pattern separation ( the process of disambiguating incoming patterns of neuronal activity ) is a central concept in all current theories of episodic memory , as it is hypothesized to support our ability to avoid confusion between similar memories . For the last thirty years , pattern separation has been attributed to t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [] | 2019 | Temporal pattern separation in hippocampal neurons through multiplexed neural codes |
Cells must make reliable decisions under fluctuating extracellular conditions , but also be flexible enough to adapt to such changes . How cells reconcile these seemingly contradictory requirements through the dynamics of cellular decision-making is poorly understood . To study this issue we quantitatively measured gen... | Cells must continuously make decisions in response to changes in their environment . These decisions must be irreversible , to prevent cells from reverting back to unfit cellular states , but also be flexible , to allow cells to go back to their previous state upon environmental changes . Using single-cell time-lapse f... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"systems",
"biology",
"biology",
"computational",
"biology",
"genetics",
"and",
"genomics"
] | 2011 | Reversible and Noisy Progression towards a Commitment Point Enables Adaptable and Reliable Cellular Decision-Making |
In plants , nutrient provision of shoots depends on the uptake and transport of nutrients across the root tissue to the vascular system . Nutrient delivery to the vasculature is mediated via the apoplastic transport pathway ( ATP ) , which uses the free space in the cell walls and is controlled by apoplastic barriers a... | Radial transport of nutrients from the soil to the vascular system of plant roots occurs via the symplastic transport pathway ( STP ) and apoplastic transport pathway ( ATP ) . Nutrients move along the STP when crossing the plasma membrane of outer cells and moving to xylem through the cytoplasmic continuum formed by p... | [
"Abstract",
"Introduction",
"Results",
"Materials",
"and",
"methods"
] | [
"plant",
"anatomy",
"chemical",
"compounds",
"apoplastic",
"space",
"vascular",
"bundles",
"plant",
"physiology",
"nitrates",
"xylem",
"plant",
"science",
"biological",
"transport",
"cellular",
"structures",
"and",
"organelles",
"proteins",
"endodermis",
"chemistry",
"l... | 2018 | Root zone–specific localization of AMTs determines ammonium transport pathways and nitrogen allocation to shoots |
The World Health Organization’s 2020 Goals for Chagas disease include access to antiparasitic treatment and care of all infected/ill patients . Policy makers need to know the economic value of identifying and treating patients earlier . However , the economic value of earlier treatment to cure and prevent the Chagas’ s... | The World Health Organization’s 2020 Goals for Chagas disease include access to antiparasitic treatment and care of all infected/ill patients . Policy makers need to know the economic value of identifying and treating patients earlier and what can be invested . We evaluated the impact and economic outcomes ( costs , co... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"death",
"rates",
"medicine",
"and",
"health",
"sciences",
"tropical",
"diseases",
"vector-borne",
"diseases",
"social",
"sciences",
"geographical",
"locations",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"health",
"care",
"north",
"america",
"protozoans",
"neg... | 2018 | The economic value of identifying and treating Chagas disease patients earlier and the impact on Trypanosoma cruzi transmission |
Novel technologies that include recombinant pathogens and rapid detection methods are contributing to the development of drugs for neglected diseases . Recently , the results from the first high throughput screening ( HTS ) to test compounds for activity against Trypanosoma cruzi trypomastigote infection of host cells ... | Chagas is a devastating disease affecting about 100 million people in Latin America . The drugs available for treatment against the causative agent , the parasite Trypanosoma cruzi , have associated toxicity and are not completely effective against the chronic form of the disease , which is the most common presentation... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"chagas",
"disease",
"neglected",
"tropical",
"diseases"
] | 2011 | Activity In Vivo of Anti-Trypanosoma cruzi Compounds Selected from a High Throughput Screening |
Sensory loss induces cross-modal plasticity , often resulting in altered performance in remaining sensory modalities . Whereas much is known about the macroscopic mechanisms underlying cross-modal plasticity , only scant information exists about its cellular and molecular underpinnings . We found that Caenorhabditis el... | The brain has the remarkable capacity to respond to sensory loss by boosting remaining functioning senses . For example , certain features of hearing are improved in blind people . What are the cellular and molecular mechanisms underlying this effect ? How is a certain sense strengthened ? If it is possible to hear bet... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2016 | Neuropeptide-Driven Cross-Modal Plasticity following Sensory Loss in Caenorhabditis elegans |
Cryptosporidium parvum is a highly prevalent zoonotic and anthroponotic protozoan parasite that causes a diarrheal syndrome in children and neonatal livestock , culminating in growth retardation and mortalities . Despite the high prevalence of C . parvum , there are no fully effective and safe drugs for treating infect... | Cryptosporidium parvum is a protozoan parasite that can cause a life-threatening gastrointestinal disease in children and in immunocompromised adults . The only approved drug for treatment of Cryptosporidium infections in humans is nitazoxanide , but it is not effective in immunocompromised individuals or in children w... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"parasite",
"groups",
"oocysts",
"chemical",
"compounds",
"respiratory",
"infections",
"ketones",
"enzymology",
"cryptosporidium",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"pyruvate",
"pulmonology",
"parasitology",
"apicom... | 2019 | Novel lactate dehydrogenase inhibitors with in vivo efficacy against Cryptosporidium parvum |
Filarial parasites ( e . g . , Brugia malayi , Onchocerca volvulus , and Wuchereria bancrofti ) are causative agents of lymphatic filariasis and onchocerciasis , which are among the most disabling of neglected tropical diseases . There is an urgent need to develop macro-filaricidal drugs , as current anti-filarial chem... | Human filarial nematodes are causative agents of elephantiasis and African river blindness , which are among the most debilitating tropical diseases . Currently used drugs mainly affect microfilariae ( mf ) and have less effect on adult filarial nematodes , which can live in the human host for more than a decade . Fila... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"biochemistry",
"evolutionary",
"biology/human",
"evolution",
"microbiology/microbial",
"evolution",
"and",
"genomics",
"infectious",
"diseases/helminth",
"infections",
"microbiology/parasitology",
"microbiology/microbial",
"physiology",
"and",
"metabolism"
] | 2009 | The Heme Biosynthetic Pathway of the Obligate Wolbachia Endosymbiont of Brugia malayi as a Potential Anti-filarial Drug Target |
Protein export is central for the survival and virulence of intracellular P . falciparum blood stage parasites . To reach the host cell , exported proteins cross the parasite plasma membrane ( PPM ) and the parasite-enclosing parasitophorous vacuole membrane ( PVM ) , a process that requires unfolding , suggestive of p... | P . falciparum parasites , the deadliest agent of human malaria , develop within erythrocytes where they are surrounded by a parasitophorous vacuolar membrane ( PVM ) . To ensure intracellular survival , the parasite exports a large repertoire of proteins into the host cell . Exported proteins require unfolding for tra... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"parasite",
"groups",
"medicine",
"and",
"health",
"sciences",
"plasmodium",
"viral",
"transmission",
"and",
"infection",
"enzymes",
"enzymology",
"microbiology",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"parasitology",
"membrane",
"proteins",
"apicomplexa",
"p... | 2016 | Stable Translocation Intermediates Jam Global Protein Export in Plasmodium falciparum Parasites and Link the PTEX Component EXP2 with Translocation Activity |
Zika virus ( ZIKV ) is a mosquito-borne flavivirus first isolated in Uganda in 1947 . Although entomological and virologic surveillance have reported ZIKV enzootic activity in diverse countries of Africa and Asia , few human cases were reported until 2007 , when a Zika fever epidemic took place in Micronesia . In the c... | Zika fever is a mosquito-borne illness caused by a flavivirus . Human infections with Zika virus ( ZIKV ) could cause fever , malaise and cutaneous rash . Despite several ZIKV reports since 1947 when it was first isolated at Zika forest in Uganda , molecular evolution of ZIKV as an emerging agent remains poorly underst... | [
"Abstract",
"Introduction",
"Methods",
"Results/Discussion"
] | [
"medicine"
] | 2014 | Molecular Evolution of Zika Virus during Its Emergence in the 20th Century |
To map the neural substrate of mental function , cognitive neuroimaging relies on controlled psychological manipulations that engage brain systems associated with specific cognitive processes . In order to build comprehensive atlases of cognitive function in the brain , it must assemble maps for many different cognitiv... | Cognitive neuroscience uses neuroimaging to identify brain systems engaged in specific cognitive tasks . However , linking unequivocally brain systems with cognitive functions is difficult: each task probes only a small number of facets of cognition , while brain systems are often engaged in many tasks . We develop a n... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"cognitive",
"neurology",
"medicine",
"and",
"health",
"sciences",
"ontologies",
"social",
"sciences",
"neuroscience",
"learning",
"and",
"memory",
"face",
"recognition",
"perception",
"data",
"management",
"cognitive",
"neuroscience",
"cognitive",
"psychology",
"cognitio... | 2018 | Atlases of cognition with large-scale human brain mapping |
Although persistent viral diseases are a global health concern , the mechanisms of differential susceptibility to such infections among individuals are unknown . Here , we report that differential interactions between dendritic cells ( DCs ) and virus are critical in determining resistance versus susceptibility in the ... | Many chronic viral diseases are associated with prolonged viral persistence levels , which vary from one individual to another . However , the mechanisms of differential susceptibility to persistent viral infections are unknown . Theiler murine encephalomyelitis virus ( TMEV ) induces a chronic demyelinating disease si... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"viruses",
"virology",
"in",
"vitro",
"immunology",
"mus",
"(mouse)"
] | 2007 | Role of Dendritic Cells in Differential Susceptibility to Viral Demyelinating Disease |
Autosomal recessive nonsyndromic hearing loss is a genetically heterogeneous disorder . Here , we report a severe-to-profound sensorineural hearing loss locus , DFNB100 on chromosome 5q13 . 2-q23 . 2 . Exome enrichment followed by massive parallel sequencing revealed a c . 2510G>A transition variant in PPIP5K2 that seg... | Exome sequencing coupled with homozygosity mapping was used to identify a missense variant [c . 2510G>A; p . ( Arg837His ) ] in PPIP5K2 at the DFNB100 locus that is associated with nonsyndromic , prelingual sensorineural deafness in two large consanguineous Pakistani families . PPIP5Ks are pivotal enzymes for regulatin... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"enzymes",
"ears",
"enzymology",
"neuroscience",
"phosphatases",
"animal",
"models",
"outer",
"hair",
"cells",
"otology",
"inner",
"ear",
"model",
"organisms",
"experimental",
"organism",
"systems",
"hearing",
"disorders",
"res... | 2018 | Mutations in Diphosphoinositol-Pentakisphosphate Kinase PPIP5K2 are associated with hearing loss in human and mouse |
Travelers who acquire dengue infection are often routes for virus transmission to other regions . Nevertheless , the interplay between infected travelers , climate , vectors , and indigenous dengue incidence remains unclear . The role of foreign-origin cases on local dengue epidemics thus has been largely neglected by ... | Dengue/dengue hemorrhagic fever is the world's most widely spread mosquito-borne arboviral disease and threatens more than two-thirds of the world's population . Cases are mainly distributed in tropical and subtropical areas in accordance with vector habitats for Aedes aegypti and Ae . albopictus . However , the role o... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"public",
"health",
"and",
"epidemiology/epidemiology",
"infectious",
"diseases/viral",
"infections",
"public",
"health",
"and",
"epidemiology/infectious",
"diseases",
"infectious",
"diseases/tropical",
"and",
"travel-associated",
"diseases",
"infectious",
"diseases/epidemiology"... | 2010 | The Role of Imported Cases and Favorable Meteorological Conditions in the Onset of Dengue Epidemics |
Phenotypic plasticity is the ability of a genotype to produce contrasting phenotypes in different environments . Although many examples have been described , the responsible mechanisms are poorly understood . In particular , it is not clear how phenotypic plasticity is related to buffering , the maintenance of a consta... | The phenotype of an individual is not fully controlled by its genes . Environmental conditions ( food , light , temperature , pathogens , etc . ) can also contribute to phenotypic variation . This phenomenon is called phenotypic plasticity . We investigate here the genetic basis of the phenotypic plasticity of pigmenta... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"evolutionary",
"biology",
"drosophila",
"genetics",
"and",
"genomics"
] | 2007 | Phenotypic Plasticity in Drosophila Pigmentation Caused by Temperature Sensitivity of a Chromatin Regulator Network |
Hypoxia inducible factors ( HIFs ) are transcription factors belonging to the basic helix−loop−helix PER-ARNT-SIM ( bHLH-PAS ) protein family with a role in sensing oxygen levels in the cell . Under hypoxia , the HIF-α degradation pathway is blocked and dimerization with the aryl hydrocarbon receptor nuclear translocat... | A low oxygen condition , called hypoxia , often occurs in tumor masses and generally correlates with worse prognosis . Cells in a tumor react to low oxygen levels with a metabolism modification induced by the activation of hypoxia inducible factors ( HIFs ) through dimerization with a partner protein and binding to a D... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"dimers",
"(chemical",
"physics)",
"crystal",
"structure",
"condensed",
"matter",
"physics",
"dna-binding",
"proteins",
"mutation",
"mutation",
"databases",
"crystallography",
"basic",
"helix-loop-helix",
"domains",
"physical",
"chemistry",
"chemical",
"properties",
"resear... | 2018 | Ligand-induced perturbation of the HIF-2α:ARNT dimer dynamics |
Many microbes exhibit quorum sensing ( QS ) to cooperate , share and perform a social task in unison . Recent studies have shown the emergence of reversible phenotypic heterogeneity in the QS-responding pathogenic microbial population under laboratory conditions as a possible bet-hedging survival strategy . However , v... | Pathogenic bacteria synchronize and coordinate the production of virulence associated function-components in a density dependent fashion via quorum sensing . In general , QS-response and regulation has been studied under laboratory conditions in vitro , where the QS-responding bacterial population exhibits heterogeneou... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"fluorescence",
"imaging",
"plant",
"anatomy",
"plant",
"cell",
"biology",
"brassica",
"light",
"microscopy",
"plant",
"science",
"confocal",
"laser",
"microscopy",
"microscopy",
"confocal",
"microscopy",
"plant",
"pathology",
"plants",
"research",
"and",
"analysis",
... | 2019 | New insight into bacterial social communication in natural host: Evidence for interplay of heterogeneous and unison quorum response |
HIV-1 set-point viral load—the approximately stable value of viraemia in the first years of chronic infection—is a strong predictor of clinical outcome and is highly variable across infected individuals . To better understand HIV-1 pathogenesis and the evolution of the viral population , we must quantify the heritabili... | The severity of the outcome of infection by a pathogen depends on many distinct factors . These include the environment and the genetic sequences of both the host and the pathogen , among others . The fraction of variability in disease outcome explained by pathogen genetic factors is termed “heritability” , because the... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"taxonomy",
"organismal",
"evolution",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"viral",
"transmission",
"and",
"infection",
"pathogens",
"microbiology",
"retroviruses",
"viruses",
"immunodeficiency",
"viruses",
"phylogenetics",... | 2017 | Viral genetic variation accounts for a third of variability in HIV-1 set-point viral load in Europe |
Heterochromatin preferentially assembles at repetitive DNA elements , playing roles in transcriptional silencing , recombination suppression , and chromosome segregation . The RNAi machinery is required for heterochromatin assembly in a diverse range of organisms . In fission yeast , RNA splicing factors are also requi... | Heterochromatin formation at specific genomic regions is critical for processes as diverse as gene expression and chromosome segregation . The formation of silent heterochromatin at repetitive DNA elements requires processing of transcripts by the RNA interference machinery . Curiously , factors involved in proper RNA ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biotechnology",
"rna",
"interference",
"chromosome",
"structure",
"and",
"function",
"gene",
"function",
"histone",
"modification",
"fungi",
"model",
"organisms",
"epigenetics",
"chromatin",
"schizosaccharomyces",
"genetic",
"engineering",
"research",
"and",
"analysis",
... | 2014 | The Proper Splicing of RNAi Factors Is Critical for Pericentric Heterochromatin Assembly in Fission Yeast |
Operant learning requires that reinforcement signals interact with action representations at a suitable neural interface . Much evidence suggests that this occurs when phasic dopamine , acting as a reinforcement prediction error , gates plasticity at cortico-striatal synapses , and thereby changes the future likelihood... | A key component of survival is the ability to learn which actions , in what contexts , yield useful and rewarding outcomes . Actions are encoded in the brain in the cortex but , as many actions are possible at any one time , there needs to be a mechanism to select which one is to be performed . This problem of action s... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"developmental",
"neuroscience",
"cellular",
"neuroscience",
"synaptic",
"plasticity",
"behavioral",
"neuroscience",
"computational",
"neuroscience",
"single",
"neuron",
"function",
"biology",
"and",
"life",
"sciences",
"computational",
"biology",
"neuroscience",
"neuronal",
... | 2015 | A New Framework for Cortico-Striatal Plasticity: Behavioural Theory Meets In Vitro Data at the Reinforcement-Action Interface |
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