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article stringlengths 4.36k 149k | summary stringlengths 32 3.35k | section_headings listlengths 1 91 | keywords listlengths 0 141 | year stringclasses 13
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Human granulocytic anaplasmosis , a tick-borne infection caused by Anaplasma phagocytophilum , has received scant attention , while scrub typhus , a mite-transmitted disease caused by Orientia tsutsugamushi , is the most common rickettsiosis in Taiwan . The clinical presentations of both diseases are characterized by u... | Human granulocytic anaplasmosis is a tick-borne rickettsial infection caused by Anaplasma phagocytophilum . Although most cases resolve readily , life-threatening complications can occur without prompt antibiotic treatment . The major difficulty in diagnosing human granulocytic anaplasmosis is due to the nonspecific na... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion",
"Conclusions"
] | [
"geomorphology",
"invertebrates",
"typhus",
"medicine",
"and",
"health",
"sciences",
"ixodes",
"pathology",
"and",
"laboratory",
"medicine",
"landforms",
"pathogens",
"topography",
"geographical",
"locations",
"microbiology",
"animals",
"bacterial",
"diseases",
"rickettsial... | 2019 | Human granulocytic anaplasmosis in Kinmen, an offshore island of Taiwan |
Although retinoic acid ( RA ) teratogenicity has been investigated for decades , the mechanisms underlying RA-induced outflow tract ( OFT ) malformations are not understood . Here , we show zebrafish embryos deficient for Cyp26a1 and Cyp26c1 enzymes , which promote RA degradation , have OFT defects resulting from two m... | Retinoic acid ( RA ) is the most active metabolic product of vitamin A . The embryonic heart is particularly sensitive to inappropriate RA levels , with cardiac outflow tract ( OFT ) defects among the most common RA-induced malformations . However , the mechanisms underlying these RA-induced defects are not understood ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"physiology",
"medicine",
"and",
"health",
"sciences",
"cardiovascular",
"anatomy",
"vertebrates",
"animals",
"endocrine",
"physiology",
"cell",
"polarity",
"animal",
"models",
"organisms",
"developmental",
"biology",
"osteichthyes",
"model",
"organisms",
"develop... | 2016 | Cyp26 Enzymes Facilitate Second Heart Field Progenitor Addition and Maintenance of Ventricular Integrity |
Nondisjunction of chromosome 21 is the leading cause of Down syndrome . Two risk factors for maternal nondisjunction of chromosome 21 are increased maternal age and altered recombination . In order to provide further insight on mechanisms underlying nondisjunction , we examined the association between these two well es... | Nondisjunction occurs when chromosomes fail to segregate during meiosis; when this happens , gametes with an abnormal number of chromosomes are produced . The clinical significance is high: nondisjunction is the leading cause of pregnancy loss and birth defects . We have studied trisomy 21 using DNA from individuals wi... | [
"Abstract",
"Introduction",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"molecular",
"biology/recombination",
"genetics",
"and",
"genomics/chromosome",
"biology"
] | 2008 | New Insights into Human Nondisjunction of Chromosome 21 in Oocytes |
Many organisms have a mechanism for down regulating the expression of non-synapsed chromosomes and chromosomal regions during meiosis . This phenomenon is thought to function in genome defense . During early meiosis in Caenorhabditis elegans , unpaired chromosomes ( e . g . , the male X chromosome ) become enriched for... | DNA within a cell's nucleus is packaged together with proteins into a higher order structure called chromatin . In its simplest form , chromatin consists of DNA and a set of proteins called histones , arranged so that the DNA strand is wrapped around histone protein clusters . This basic chromatin structure can be modi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology/germ",
"cells",
"molecular",
"biology/chromatin",
"structure",
"molecular",
"biology/histone",
"modification",
"developmental",
"biology/stem",
"cells",
"genetics",
"and",
"genomics/chromosome",
"biology",
"genetics",
"and",
"genomics/epigenetics",
"de... | 2009 | Regulation of Heterochromatin Assembly on Unpaired Chromosomes during Caenorhabditis elegans Meiosis by Components of a Small RNA-Mediated Pathway |
Albendazole ( ABZ ) , a benzimidazole ( BZ ) anthelmintic ( AH ) , is commonly used for treatment of soil-transmitted helminths ( STHs ) . Its regular use increases the possibility that BZ resistance may develop , which , in veterinary nematodes is caused by single nucleotide polymorphisms ( SNPs ) in the β-tubulin gen... | The soil-transmitted helminths ( STH ) Ascaris lumbricoides , Trichuris trichiura and the hookworms Ancylostoma duodenale and Necator americanus are endemic in many tropical countries . Regular treatment with albendazole or mebendazole is the major means for controlling STHs . However , repeated treatment with the same... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"soil-transmitted",
"helminths",
"trichuriasis",
"hookworm",
"infection",
"neglected",
"tropical",
"diseases",
"infectious",
"disease",
"control",
"ascariasis",
"parasitic",
"diseases",
"helminth",
"infection"
] | 2013 | Association between Response to Albendazole Treatment and β-Tubulin Genotype Frequencies in Soil-transmitted Helminths |
Heterochromatin is the gene-poor , satellite-rich eukaryotic genome compartment that supports many essential cellular processes . The functional diversity of proteins that bind and often epigenetically define heterochromatic DNA sequence reflects the diverse functions supported by this enigmatic genome compartment . Mo... | Our genome is comprised of two compartments . The euchromatin harbors abundant genes and regulatory information , while heterochromatin harbors few genes and abundant repetitive DNA . These characteristic features of heterochromatin challenge traditional methods of sequence assembly and molecular dissection . The analy... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"genomics",
"model",
"organisms",
"genetics",
"biology",
"computational",
"biology",
"evolutionary",
"biology",
"population",
"biology",
"genetics",
"and",
"genomics"
] | 2012 | Phylogenomic Analysis Reveals Dynamic Evolutionary History of the Drosophila Heterochromatin Protein 1 (HP1) Gene Family |
In the lifecycle of microorganisms , prolonged starvation is prevalent and sustaining life during starvation periods is a vital task . In the literature , it is commonly assumed that survival kinetics of starving microbes follows exponential decay . This assumption , however , has not been rigorously tested . Currently... | Long periods of starvation are common in the lifecycle of microorganisms . Textbooks routinely describe that during starvation periods , cells die at a constant rate , i . e . , exponential decay . The exponential decay of cell survival has been commonly assumed in the literature to analyze and predict population dynam... | [
"Abstract",
"Introduction",
"Results",
"and",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Survival Kinetics of Starving Bacteria Is Biphasic and Density-Dependent |
G-quadruplexes ( G4 ) are secondary structures formed by guanine-rich nucleic acid sequences and shown to exist in living cells where they participate in regulation of gene expression and chromosome maintenance . G-quadruplexes with solvent-exposed guanine tetrads show the tendency to associate together through cofacia... | Native DNA usually folds to form the canonical double helix , however , under certain conditions , it can also fold into other secondary structures . Some of the most interesting ones are G-quadruplexes ( G4 ) —compact DNA structures in which guanines assemble into multilayered tetrads , and whose formation has been re... | [
"Abstract",
"Introduction",
"Results",
"Methods"
] | [
"chemical",
"compounds",
"monomers",
"phosphates",
"electricity",
"nucleotides",
"electrostatics",
"materials",
"science",
"oligomers",
"thermodynamics",
"physical",
"chemistry",
"chemical",
"properties",
"polymer",
"chemistry",
"guanine",
"dimerization",
"chemistry",
"adenin... | 2019 | Why do G-quadruplexes dimerize through the 5’-ends? Driving forces for G4 DNA dimerization examined in atomic detail |
Riverine tsetse transmit the parasites that cause the most prevalent form of human African trypanosomiasis , Gambian HAT . In response to the imperative for cheap and efficient tsetse control , insecticide-treated ‘tiny targets’ have been developed through refinement of tsetse attractants based on blue fabric panels . ... | Tsetse flies transmit the parasites that cause sleeping sickness . Tsetse control can contribute to disease control thanks to cheap and efficient ‘tiny targets’ that attract tsetse using a panel of blue fabric , a highly attractive colour for the flies . However , the modern blue polyesters employed are only about half... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"engineering",
"and",
"technology",
"african",
"trypanosomiasis",
"tropical",
"diseases",
"social",
"sciences",
"neuroscience",
"parasitic",
"diseases",
"optimization",
"mathematics",
"materials",
"science",
"neglected",
"tropical",
... | 2017 | Developing photoreceptor-based models of visual attraction in riverine tsetse, for use in the engineering of more-attractive polyester fabrics for control devices |
Tip growth has been studied in pollen tubes , root hairs , and fungal and oomycete hyphae and is the most widely distributed unidirectional growth process on the planet . It ensures spatial colonization , nutrient predation , fertilization , and symbiosis with growth speeds of up to 800 μm h−1 . Although turgor-driven ... | Tip growth is known in organisms with filament-like structures , such as fungi ( e . g . , hyphae ) , plants ( e . g . , root hairs , moss protonemata ) , and algae ( e . g . , filamentous thalli ) . The driving force for growth in these organisms is the difference in osmotic pressure ( turgor ) between the inside of t... | [
"Abstract",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"walls",
"plant",
"anatomy",
"chemical",
"compounds",
"cellulose",
"plant",
"cell",
"biology",
"light",
"microscopy",
"organic",
"compounds",
"pollen",
"plant",
"cell",
"walls",
"plant",
"science",
"microscopy",
"plants",
"cellular",
"structures",
"and",
"or... | 2019 | The brown algal mode of tip growth: Keeping stress under control |
Prion diseases are fatal , progressive , neurodegenerative diseases caused by prion accumulation in the brain and lymphoreticular system . Here we report that a single subcutaneous injection of cellulose ethers ( CEs ) , which are commonly used as inactive ingredients in foods and pharmaceuticals , markedly prolonged t... | Prion diseases are progressive , fatal , neurodegenerative transmissible illnesses in humans and animals caused by prion accumulation in the brain and lymphoreticular system . Because they are prevalent in nature , with atypical forms continuing to emerge , prion diseases are potential threats to both public health and... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"blood",
"cells",
"body",
"weight",
"medicine",
"and",
"health",
"sciences",
"animal",
"diseases",
"immune",
"cells",
"immunology",
"tropical",
"diseases",
"vertebrates",
"parasitic",
"diseases",
"animals",
"mammals",
"animal",
"models",
"animal",
"prion",
"diseases",... | 2016 | A Single Subcutaneous Injection of Cellulose Ethers Administered Long before Infection Confers Sustained Protection against Prion Diseases in Rodents |
The geometric and subcellular organization of axon arbors distributes and regulates electrical signaling in neurons and networks , but the underlying mechanisms have remained elusive . In rodent cerebellar cortex , stellate interneurons elaborate characteristic axon arbors that selectively innervate Purkinje cell dendr... | Large principal neurons in vertebrate neural circuits often consist of distinct anatomical and physiological compartments , which allow distributed and compartmentalized signaling and greatly increase the computational power of single neurons . Superimposed upon this intrinsic compartmental architecture is the subcellu... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"neuroscience",
"cell",
"biology"
] | 2008 | Bergmann Glia and the Recognition Molecule CHL1 Organize GABAergic Axons and Direct Innervation of Purkinje Cell Dendrites |
Infection of macrophages by Yersinia species results in YopJ-dependent apoptosis , and naïve macrophages are highly susceptible to this form of cell death . Previous studies have demonstrated that macrophages activated with lipopolysaccharide ( LPS ) prior to infection are resistant to YopJ-dependent cell death; we fou... | Pathogenic Yersinia are bacteria capable of interacting with host immune cells and inhibiting their function . Macrophages are potent antimicrobial immune cells that eliminate invading microbes , and represent a major target for Yersinia during infection . Yersinia triggers death of resting macrophages by apoptosis , a... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods",
"Supporting",
"Information"
] | [
"infectious",
"diseases",
"in",
"vitro",
"immunology",
"mus",
"(mouse)",
"animals",
"eubacteria"
] | 2007 | Macrophage Activation Redirects Yersinia-Infected Host Cell Death from Apoptosis to Caspase-1-Dependent Pyroptosis |
To develop an oral formulation of amphotericin B ( AmB ) that is stable at the temperatures of WHO Climatic Zones 3 and 4 ( 30–43°C ) and to evaluate its efficacy in a murine model of visceral leishmaniasis ( VL ) . The stability testing of four novel oral lipid AmB formulations composed of mono- and di-glycerides and ... | Visceral leishmaniasis ( VL ) is a systemic form of a vector-borne parasitic disease caused by obligate intra-macrophage protozoa of the genus Leishmania . VL is always fatal in humans if left untreated and treatment options are limited . Amphotericin B ( AmB ) , a polyene antibiotic , is the most active antileishmania... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"pharmacology/drug",
"development"
] | 2010 | A Novel Tropically Stable Oral Amphotericin B Formulation (iCo-010) Exhibits Efficacy against Visceral Leishmaniasis in a Murine Model |
The suprachiasmatic nucleus ( SCN ) acts as the central clock to coordinate circadian oscillations in mammalian behavior , physiology and gene expression . Despite our knowledge of the circadian transcriptome of the SCN , how it impacts genome-wide protein expression is not well understood . Here , we interrogated the ... | The suprachiasmatic nucleus ( SCN ) serves as the master circadian pacemaker in mammals , coordinating the physiological responses of a myriad of peripheral clocks throughout the body and linking their rhythms to the environmental light-dark cycle . In this study , we interrogated the murine SCN proteome across the cir... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biochemistry",
"circadian",
"rhythms",
"chronobiology",
"biology",
"and",
"life",
"sciences",
"proteomics",
"circadian",
"oscillators",
"daylight"
] | 2014 | The Proteomic Landscape of the Suprachiasmatic Nucleus Clock Reveals Large-Scale Coordination of Key Biological Processes |
Rabies is a zoonotic infectious disease of the central nervous system ( CNS ) . In unvaccinated or untreated subjects , rabies virus infection causes severe neurological symptoms and is invariably fatal . Despite the long-standing existence of effective vaccines , vaccine availability remains insufficient , with high n... | Although first successful vaccination against rabies virus infection was performed by Louis Pasteur in the 19th century , every year about 50 , 000 patients , predominantly children , succumb to rabies infection because of insufficient availability of effective low-cost vaccines worldwide . The work presented here desc... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"blood",
"cells",
"livestock",
"viral",
"vaccines",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"immune",
"physiology",
"pathology",
"and",
"laboratory",
"medicine",
"pathogens",
"immunology",
"messenger",
"rna",
"microbiology",
"vertebrates",
"animals",... | 2016 | An mRNA Vaccine Encoding Rabies Virus Glycoprotein Induces Protection against Lethal Infection in Mice and Correlates of Protection in Adult and Newborn Pigs |
Primate lentiviruses have evolved sophisticated strategies to suppress the immune response of their host species . For example , HIV-2 and most simian immunodeficiency viruses ( SIVs ) use their accessory protein Nef to prevent T cell activation and antiviral gene expression by downmodulating the T cell receptor CD3 . ... | The cellular transcription factor NF-κB plays a complex role in the lentiviral replication cycle . On the one hand , activation of NF-κB is required for efficient transcription of viral genes and reactivation of latent proviruses . On the other hand , NF-κB is also a key driver of antiviral gene expression , immune act... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"blood",
"cells",
"flow",
"cytometry",
"medicine",
"and",
"health",
"sciences",
"luciferase",
"immune",
"cells",
"pathology",
"and",
"laboratory",
"medicine",
"enzymes",
"pathogens",
"immune",
"activation",
"immunology",
"microbiology",
"enzymology",
"vertebrates",
"ani... | 2017 | Primate lentiviruses use at least three alternative strategies to suppress NF-κB-mediated immune activation |
High capacity and low capacity running rats , HCR and LCR respectively , have been bred to represent two extremes of running endurance and have recently demonstrated disparities in fuel usage during transient aerobic exercise . HCR rats can maintain fatty acid ( FA ) utilization throughout the course of transient aerob... | Our bodies consume carbohydrates , fats , and amino acids as fuels , utilizing various catabolic pathways to transfer the energy required for normal physiological functions . The way these pathways function can have an important impact on overall health . While most catabolic pathways are known , we are still striving ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"chemical",
"compounds",
"engineering",
"and",
"technology",
"sports",
"and",
"exercise",
"medicine",
"enzymology",
"carbohydrates",
"physical",
"activity",
"organic",
"compounds",
"glucose",
"metabolites",
"materials",
"science",
... | 2018 | Systems-level computational modeling demonstrates fuel selection switching in high capacity running and low capacity running rats |
For many pathogens , including most targets of effective vaccines , infection elicits an immune response that confers significant protection against reinfection . There has been significant debate as to whether natural Mycobacterium tuberculosis ( Mtb ) infection confers protection against reinfection . Here we experim... | Tuberculosis ( TB ) , a lung disease caused by the bacterial pathogen Mycobacterium tuberculosis , is endemic in many developing countries . This infection is transmitted from a person with active tuberculosis through coughing , talking , and singing . Exposure to this bacterium can result in a spectrum of infection ou... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"blood",
"cells",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"diagnostic",
"radiology",
"granulomas",
"immunology",
"vertebrates",
"animals",
"mammals",
"primates",
"dna",
"libraries",
"dna",
"bacteria",
"old",
"world",
"monkeys",
"research",
"and",
... | 2018 | Concurrent infection with Mycobacterium tuberculosis confers robust protection against secondary infection in macaques |
Alternative splicing controls the expression of many genes , including the Drosophila sex determination gene Sex-lethal ( Sxl ) . Sxl expression is controlled via a negative regulatory mechanism where inclusion of the translation-terminating male exon is blocked in females . Previous studies have shown that the mechani... | In Drosophila the sex-specific ON/OFF regulation of Sex-lethal ( Sxl ) is controlled by an autoregulatory splicing mechanism that depends on the SXL protein interacting with general splicing factors . Here we identify PPS as a novel component of the machinery required for Sxl splicing autoregulation by showing that the... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"molecular",
"biology/post-translational",
"regulation",
"of",
"gene",
"expression",
"genetics",
"and",
"genomics/gene",
"discovery",
"genetics",
"and",
"genomics/gene",
"expression",
"genetics",
"and",
"genomics/functional",
"genomics",
"molecular",
"biology/rna",
"splicing"... | 2010 | PPS, a Large Multidomain Protein, Functions with Sex-Lethal to Regulate Alternative Splicing in Drosophila |
Morphological transitions and metabolic regulation are critical for the human fungal pathogen Candida albicans to adapt to the changing host environment . In this study , we generated a library of central metabolic pathway mutants in the tricarboxylic acid ( TCA ) cycle , and investigated the functional consequences of... | Energy metabolism through the TCA cycle and mitochondrial electron transport are critical for the human fungal pathogen Candida albicans to survive and propagate in the host . This is , in part , due to the fact that C . albicans is a Crabtree-negative species , and thus exclusively uses respiration when oxygen is avai... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"chemical",
"compounds",
"gene",
"regulation",
"metabolic",
"processes",
"pathogens",
"regulatory",
"proteins",
"microbiology",
"dna-binding",
"proteins",
"carbohydrates",
"organic",
"c... | 2017 | Integration of the tricarboxylic acid (TCA) cycle with cAMP signaling and Sfl2 pathways in the regulation of CO2 sensing and hyphal development in Candida albicans |
microRNAs ( miRNAs ) are a class of endogenous regulatory RNAs that play a key role in myriad biological processes . Upon transcription , primary miRNA transcripts are sequentially processed by Drosha and Dicer ribonucleases into ~22–24 nt miRNAs . Subsequently , miRNAs are incorporated into the RNA-induced silencing c... | microRNAs ( miRNAs ) are a class of small regulatory RNAs that fine-tune gene expression by reducing protein output from their target messenger RNAs and are implicated in myriad physiological and pathological processes . miRNAs are generated from long primary transcripts via sequential actions of the Drosha/Pasha and D... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | SmD1 Modulates the miRNA Pathway Independently of Its Pre-mRNA Splicing Function |
The innate immune system is critical in the response to infection by pathogens and it is activated by pattern recognition receptors ( PRRs ) binding to pathogen associated molecular patterns ( PAMPs ) . During viral infection , the direct recognition of the viral nucleic acids , such as the genomes of DNA viruses , is ... | To mount an immune response to an invading bacterium or virus ( pathogens ) , the host must detect foreign molecules from the pathogen . Pathogens have conserved features called pathogen associated molecular patterns ( PAMPs ) that are distinct from host cells and which are recognised by the host using specific sensors... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"&",
"Methods"
] | [] | 2013 | A Mechanism for the Inhibition of DNA-PK-Mediated DNA Sensing by a Virus |
By combining high-throughput sequencing ( HTS ) with experimental evolution , we can observe the within-host dynamics of pathogen variants of biomedical or ecological interest . We studied the evolutionary dynamics of five variants of Potato virus Y ( PVY ) in 15 doubled-haploid lines of pepper . All plants were inocul... | A growing number of experimental evolution studies are using an “evolve-and-resequence” approach to observe the within-host dynamics of pathogen variants of biomedical or ecological interest . The resulting data are particularly appropriate for studying the effects of evolutionary forces , such as selection and genetic... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"organismal",
"evolution",
"plant",
"anatomy",
"population",
"genetics",
"variant",
"genotypes",
"microbiology",
"genetic",
"mapping",
"plant",
"science",
"effective",
"population",
"size",
"microbial",
"evolution",
"population",
"biology",
"leaves",
"evolutionary",
"gene... | 2017 | Estimating virus effective population size and selection without neutral markers |
An accurate diagnosis of helminth infection is important to improve patient management . However , there is considerable intra- and inter-specimen variation of helminth egg counts in human feces . Homogenization of stool samples has been suggested to improve diagnostic accuracy , but there are no detailed investigation... | An accurate diagnosis of parasitic worm ( helminth ) infections is important for adequate patient treatment and disease control programs . Helminth eggs in human stool samples are used as an indicator of infection intensity and morbidity . However , little is known about the exact distribution of helminth eggs in stool... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"public",
"health",
"and",
"epidemiology",
"epidemiological",
"methods",
"epidemiology",
"biology",
"microbiology",
"public",
"health",
"parasitology"
] | 2012 | An In-Depth Analysis of a Piece of Shit: Distribution of Schistosoma mansoni and Hookworm Eggs in Human Stool |
The evolution of cooperation among nonrelatives has been explained by direct , indirect , and strong reciprocity . Animals should base the decision to help others on expected future help , which they may judge from past behavior of their partner . Although many examples of cooperative behavior exist in nature where rec... | The evolution of cooperation is based on four general mechanisms: mutualism , where an action benefits all partners directly; kin selection , where related individuals are supported; “green beard” altruism that is based on a genetic correlation between altruism genes and respective markers; and reciprocal altruism , wh... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"ecology",
"evolutionary",
"biology",
"rattus",
"(rat)"
] | 2007 | Generalized Reciprocity in Rats |
There are currently no vaccines or antivirals available for dengue virus infection , which can cause dengue hemorrhagic fever and death . A better understanding of the host pathogen interaction is required to develop effective therapies to treat DENV . In particular , very little is known about how cellular RNA binding... | DENV is the most important mosquito transmitted viral disease in humans causing almost 400 million infections each year . Early detection is possible; however , there are no antivirals or vaccines available for this potentially lethal virus . Host factors that are required for viral amplification provide an attractive ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"spectrometric",
"identification",
"of",
"proteins",
"rna-binding",
"proteins",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"gene",
"regulation",
"protein",
"interaction",
"networks",
"microbiology",
"stable",
"isotope",
"labelin... | 2016 | Identification of RNA Binding Proteins Associated with Dengue Virus RNA in Infected Cells Reveals Temporally Distinct Host Factor Requirements |
A variety of extracellular factors regulate morphogenesis during development . However , coordination between extracellular signaling and dynamic morphogenesis is largely unexplored . We address the fundamental question by studying posterior crossvein ( PCV ) development in Drosophila as a model , in which long-range B... | It has been extensively studied how tissue morphogenesis is regulated by a variety of extracellular cues . Given that dynamic morphogenesis coincides with arrival of extracellular factors , there must be also mechanisms that coordinate extracellular signaling and intracellular morphogenesis . However , the coordination... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"cell",
"differentiation",
"animal",
"models",
"developmental",
"biology",
"drosophila",
"melanogaster",
"model",
"organisms",
"organism",
"development",
"molecular",
"development",
"morphogenesis",
"pattern",
"formation",
"adhesion",
"molecules",
"biology",
"morphogens",
"... | 2013 | A Feed-Forward Loop Coupling Extracellular BMP Transport and Morphogenesis in Drosophila Wing |
Antibodies constitute a critical component of the naturally acquired immunity that develops following frequent exposure to malaria . However , specific antibody titres have been reported to decline rapidly in the absence of reinfection , supporting the widely perceived notion that malaria infections fail to induce dura... | It is widely perceived that immunity to malaria is short-lived , rendering people susceptible to repeated malaria infections . However , there have been very few studies on “memory” responses , how the human immune system recognizes previously encountered malaria parasites . In particular , very little is known about t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"immunology/immune",
"response",
"public",
"health",
"and",
"epidemiology/infectious",
"diseases",
"infectious",
"diseases/protozoal",
"infections",
"infectious",
"diseases/tropical",
"and",
"travel-associated",
"diseases",
"immunology/immunity",
"to",
"infections"
] | 2010 | Long-Lived Antibody and B Cell Memory Responses to the Human Malaria Parasites, Plasmodium falciparum and Plasmodium vivax |
Neurons develop distinctive dendritic morphologies to receive and process information . Previous experiments showed that competitive dendro-dendritic interactions play critical roles in shaping dendrites of the space-filling type , which uniformly cover their receptive field . We incorporated this finding in constructi... | Neurons elaborate two types of neuronal extensions . One is axon , which sends outputs to other neurons . Another is dendrite , which is specialized for receiving and processing synaptic or sensory inputs . Like elaborated branches of trees , the shape of dendrites is quite variable from one type to another , and diffe... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"mathematics",
"drosophila",
"developmental",
"biology"
] | 2007 | Self-organizing Mechanism for Development of Space-filling Neuronal Dendrites |
Mitochondrial function affects many aspects of cellular physiology , and , most recently , its role in epigenetics has been reported . Mechanistically , how mitochondrial function alters DNA methylation patterns in the nucleus remains ill defined . Using a cell culture model of induced mitochondrial DNA ( mtDNA ) deple... | Epigenetic changes in the nucleus play a role in the regulation of gene expression , and metabolism has been shown to affect the epigenome . As mitochondria are not only the powerhouses but also important metabolic hubs in cells , changes in mitochondrial metabolism are likely to affect the epigenome and , as such , ge... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"physiology",
"chemical",
"compounds",
"mitochondrial",
"dna",
"cell",
"metabolism",
"organic",
"compounds",
"forms",
"of",
"dna",
"amino",
"acids",
"mitochondria",
"dna",
"epigenetics",
"bioenergetics",
"cellular",
"structures",
"and",
"organelles",
"dna",
"m... | 2018 | Mitochondrial nicotinamide adenine dinucleotide reduced (NADH) oxidation links the tricarboxylic acid (TCA) cycle with methionine metabolism and nuclear DNA methylation |
The progression of viral infections is notoriously difficult to follow in whole organisms . The small , transparent zebrafish larva constitutes a valuable system to study how pathogens spread . We describe here the course of infection of zebrafish early larvae with a heat-adapted variant of the Infectious Hematopoietic... | The zebrafish larva is uniquely amenable to imaging among vertebrate models because of its small size , transparency , and ease of anesthesia , making it a useful model to understand host-pathogen interactions . We have performed the first detailed analysis of a viral infection in zebrafish . Infection of zebrafish lar... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"Methods"
] | [
"virology/animal",
"models",
"of",
"infection",
"immunology/innate",
"immunity",
"infectious",
"diseases/viral",
"infections",
"virology/host",
"antiviral",
"responses",
"virology/host",
"invasion",
"and",
"cell",
"entry"
] | 2011 | Whole-Body Analysis of a Viral Infection: Vascular Endothelium is a Primary Target of Infectious Hematopoietic Necrosis Virus in Zebrafish Larvae |
Recent studies in simple model organisms have shown that centromere pairing is important for ensuring high-fidelity meiotic chromosome segregation . However , this process and the mechanisms regulating it in higher eukaryotes are unknown . Here we present the first detailed study of meiotic centromere pairing in mouse ... | Meiosis is the key developmental program of gametogenesis during which haploid gametes are generated to cope with the doubling chromosome number that occurs after fertilization . During the first meiotic division , homologous chromosomes pair , recombine , and dissociate . Errors in any of these processes are commonly ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"meiosis",
"molecular",
"cell",
"biology",
"chromosome",
"biology",
"nucleic",
"acids",
"centromeres",
"dna",
"recombination",
"dna",
"biology",
"genomics",
"molecular",
"biology",
"genetics",
"and",
"genomics"
] | 2012 | Synaptonemal Complex Components Persist at Centromeres and Are Required for Homologous Centromere Pairing in Mouse Spermatocytes |
Cowpea mosaic virus ( CPMV ) is a plant comovirus in the picornavirus superfamily , and is used for a wide variety of biomedical and material science applications . Although its replication is restricted to plants , CPMV binds to and enters mammalian cells , including endothelial cells and particularly tumor neovascula... | Cowpea mosaic virus ( CPMV ) , a plant virus that does not replicate in animals , is extensively used in material science and nanobiotechnology . CPMV has been found to specifically interact with mammalian cells after oral or intravenous administration , as well as in intravital vascular imaging studies that used a flu... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biotechnology",
"evolutionary",
"biology",
"virology"
] | 2009 | Endothelial Targeting of Cowpea Mosaic Virus (CPMV) via Surface Vimentin |
Body tissues are generally 15N-enriched over the diet , with a discrimination factor ( Δ15N ) that varies among tissues and individuals as a function of their nutritional and physiopathological condition . However , both 15N bioaccumulation and intra- and inter-individual Δ15N variations are still poorly understood , s... | Body proteins ensure vital functions , and their constancy is maintained through the tight coordination of many nitrogen metabolic fluxes , but our understanding of how this flux system is regulated , and sometimes dysregulated , remains fragmentary and incomplete . Besides , body tissues are generally naturally enrich... | [
"Abstract",
"Introduction",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"protein",
"metabolism",
"particle",
"physics",
"mathematical",
"models",
"simulation",
"and",
"modeling",
"atoms",
"nutrition",
"composite",
"particles",
"mathematical",
"modeling",
"amino",
"acid",
"metabolism",
"research",
"an... | 2014 | Natural Isotopic Signatures of Variations in Body Nitrogen Fluxes: A Compartmental Model Analysis |
The universally conserved J-domain proteins ( JDPs ) are obligate cochaperone partners of the Hsp70 ( DnaK ) chaperone . They stimulate Hsp70's ATPase activity , facilitate substrate delivery , and confer specific cellular localization to Hsp70 . In this work , we have identified and characterized the first functional ... | Bacteriophages are the most abundant biological entities on earth . As a consequence , they represent the largest reservoir of unexplored genetic information . They control bacterial growth , mediate horizontal gene transfer , and thus exert profound influence on microbial ecology and growth . One of the striking featu... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"microbial",
"mutation",
"microbiology",
"gene",
"function",
"microbial",
"evolution",
"molecular",
"genetics",
"microbial",
"growth",
"and",
"development",
"microbial",
"physiology",
"proteins",
"biology",
"microbial",
"ecology",
"biochemistry",
"virology",
"gene",
"iden... | 2012 | A Bacteriophage-Encoded J-Domain Protein Interacts with the DnaK/Hsp70 Chaperone and Stabilizes the Heat-Shock Factor σ32 of Escherichia coli |
During retrovirus particle maturation , the assembled Gag polyprotein is cleaved by the viral protease into matrix ( MA ) , capsid ( CA ) , and nucleocapsid ( NC ) proteins . To form the mature viral capsid , CA rearranges , resulting in a lattice composed of hexameric and pentameric CA units . Recent structural studie... | HIV-1 virions assemble as immature particles that must undergo proteolytic maturation to become infectious . During the maturation process , the Gag polyprotein is cleaved into matrix ( MA ) , capsid ( CA ) , nucleocapsid ( NC ) , and p6 proteins , and CA assembles to form a mature viral capsid . Here , we determined t... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"immunodeficiency",
"viruses",
"virology",
"biology",
"microbiology",
"viral",
"structure"
] | 2012 | Protease Cleavage Leads to Formation of Mature Trimer Interface in HIV-1 Capsid |
Caenorhabditis elegans ftn-1 and ftn-2 , which encode the iron-storage protein ferritin , are transcriptionally inhibited during iron deficiency in intestine . Intestinal specific transcription is dependent on binding of ELT-2 to GATA binding sites in an iron-dependent enhancer ( IDE ) located in ftn-1 and ftn-2 promot... | Due to its presence in proteins involved in hemoglobin synthesis , DNA synthesis , and mitochondrial respiration , eukaryotic cells require iron for survival . Excess iron can lead to oxidative damage , while iron deficiency reduces cell growth and causes cell death . Dysregulation of iron homeostasis in humans caused ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biology"
] | 2011 | HIF-1 Regulates Iron Homeostasis in Caenorhabditis elegans by Activation and Inhibition of Genes Involved in Iron Uptake and Storage |
Embryonic stem cells ( ESCs ) consist of a population of self-renewing cells displaying extensive phenotypic and functional heterogeneity . Research towards the understanding of the epigenetic mechanisms underlying the heterogeneity among ESCs is still in its initial stage . Key issues , such as how to identify cell-su... | DNA methylation is an epigenetic mark with covalent modification that occurs directly on genetic material . In vertebrates , the most common form of DNA methylation is 5-methylcytosine ( 5-mC ) at which a methyl group ( CH3 ) is attached to the cytosine nucleotide , especially in the context of CpG dinucleotide . DNA m... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"cell",
"differentiation",
"developmental",
"biology",
"probability",
"distribution",
"methylation",
"mathematics",
"epigenetics",
"dna",
"mammalian",
"genomics",
"dna",
"methylation",
"chromatin",
"chromosome",
"biology",
"gene",
"expression",
"chemistry",
"chromatin",
"mo... | 2018 | Integrative single-cell omics analyses reveal epigenetic heterogeneity in mouse embryonic stem cells |
The mechanisms involved in the persistence of activated CD4+ T lymphocytes following primary human T leukemia/lymphoma virus type 1 ( HTLV-1 ) infection remain unclear . Here , we demonstrate that the HTLV-1 Tax oncoprotein modulates phosphorylation and transcriptional activity of the FOXO3a transcription factor , via ... | HTLV- infection contributes to the development of Adult T cell Leukemia ( ATL ) or the neurological disorder HTLV-1-associated myelopathy/tropical spastic paraparesis ( HAM/TSP ) . HTLV-1 principally targets CD4+ T lymphocytes and causes profound changes in activation , immune function and cell death . The molecular me... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biology",
"and",
"life",
"sciences",
"medicine",
"and",
"health",
"sciences"
] | 2014 | HTLV-1 Tax-Mediated Inhibition of FOXO3a Activity Is Critical for the Persistence of Terminally Differentiated CD4+ T Cells |
MHC genes , which code for proteins responsible for presenting pathogen-derived antigens to the host immune system , show remarkable copy-number variation both between and within species . However , the evolutionary forces driving this variation are poorly understood . Here , we use computer simulations to investigate ... | Highly polymorphic genes of the Major Histocompatibility Complex ( MHC ) code for proteins responsible for presenting antigens to lymphocytes , thus initiating adaptive immune response . The polymorphism is driven by coevolution with parasites which are selected to evade recognition by MHC proteins . Expressing many MH... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"parasite",
"evolution",
"pathogens",
"immunology",
"vertebrates",
"animals",
"parasitology",
"clinical",
"medicine",
"molecular",
"motors",
"actin",
"motors",
"motor",
"proteins",
"c... | 2019 | Evolution of major histocompatibility complex gene copy number |
Replicative DNA polymerases cannot insert efficiently nucleotides at sites of base lesions . This function is taken over by specialized translesion DNA synthesis ( TLS ) polymerases to allow DNA replication completion in the presence of DNA damage . In eukaryotes , Rad6- and Rad18-mediated PCNA ubiquitination at lysine... | Replicative DNA polymerases have the essential role of replicating genomic DNA during the S phase of each cell cycle . DNA replication occurs smoothly and accurately if the DNA to be replicated is undamaged . Conversely , replicative DNA polymerases stall abruptly when they encounter a damaged base on their template . ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"immunology",
"dna-binding",
"proteins",
"dna",
"damage",
"fungi",
"clinical",
"medicine",
"model",
"organisms",
"polymerases",
"dna",
"replication",
"experimental",
"organism",
"systems",
"sequence",
"motif",
"analysis",
"dna",
... | 2017 | The translesion DNA polymerases Pol ζ and Rev1 are activated independently of PCNA ubiquitination upon UV radiation in mutants of DNA polymerase δ |
Bone morphogenetic proteins ( BMPs ) belong to the transforming growth factor β ( TGFβ ) superfamily of secreted molecules . BMPs play essential roles in multiple developmental and homeostatic processes in metazoans . Malfunction of the BMP pathway can cause a variety of diseases in humans , including cancer , skeletal... | The bone morphogenetic protein ( BMP ) signaling pathway is required for multiple developmental processes during metazoan development . Various diseases , including cancer , can result from mis-regulation of the BMP pathway . Thus , it is critical to identify factors that ensure proper regulation of BMP signaling . Usi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Promotion of Bone Morphogenetic Protein Signaling by Tetraspanins and Glycosphingolipids |
The circadian clock is accountable for the regulation of internal rhythms in most living organisms . It allows the anticipation of environmental changes during the day and a better adaptation of physiological processes . In mammals the main clock is located in the suprachiasmatic nucleus ( SCN ) and synchronizes second... | Most organisms have evolved an internal clock which allows them to anticipate and react to the light/dark daily rhythm and is able to generate oscillation with a circa 24 hour rhythm . A molecular network involving feedback loops is responsible for the rhythm generation . A large number of clock-controlled genes pass o... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"systems",
"biology",
"biology",
"computational",
"biology",
"genetics",
"and",
"genomics"
] | 2011 | Tuning the Mammalian Circadian Clock: Robust Synergy of Two Loops |
Measles virus ( MeV ) and all Paramyxoviridae members rely on a complex polymerase machinery to ensure viral transcription and replication . Their polymerase associates the phosphoprotein ( P ) and the L protein that is endowed with all necessary enzymatic activities . To be processive , the polymerase uses as template... | Three proteins , the polymerase L , the phosphoprotein P and the nucleoprotein N , interplay to ensure transcription and replication of measles virus , a member of the Paramyxoviridae family . A regular array of nucleoprotein shields the viral genomic RNA . The resulting nucleocapsid constitutes the template of RNA syn... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"chemical",
"bonding",
"luciferase",
"nucleic",
"acid",
"synthesis",
"enzymes",
"messenger",
"rna",
"dna-binding",
"proteins",
"nucleocapsids",
"microbiology",
"viral",
"structure",
"enzymology",
"dna",
"transcription",
"polymerases",
"rna",
"synthesis",
"microbial",
"gen... | 2016 | Modulation of Re-initiation of Measles Virus Transcription at Intergenic Regions by PXD to NTAIL Binding Strength |
During the development of the visual system , high levels of energy are expended propelling axons from the retina to the brain . However , the role of intermediates of carbohydrate metabolism in the development of the visual system has been overlooked . Here , we report that the carbohydrate metabolites succinate and α... | Development of the visual system requires high levels of energy and tight regulation of multiple factors integrated by axon projections during navigation to their appropriate targets . While intermediates of carbohydrate metabolism have key roles in many biological processes , much less is known about their effects on ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"carbohydrate",
"metabolism",
"medicine",
"and",
"health",
"sciences",
"neuroscience",
"developmental",
"biology",
"ganglion",
"cells",
"nerve",
"fibers",
"embryos",
"embryology",
"developmental",
"neuroscience",
"sensory",
"physiology",
"animal",
"cells",
"axons",
"short... | 2018 | Receptors of intermediates of carbohydrate metabolism, GPR91 and GPR99, mediate axon growth |
Human African Trypanosomiasis ( HAT ) is a neglected tropical disease caused by infections due to Trypanosoma brucei subspecies . In addition to the well-established environmental and behavioural risks of becoming infected , there is evidence for a genetic component to the response to trypanosome infection . We underto... | Human African Trypanosomiasis ( HAT ) , or sleeping sickness , is a parasitic disease caused by flagellated parasites of the genus Trypanosoma . This disease has been included into the WHO roadmap for neglected tropical diseases with elimination as a public health problem targeted for 2020 and the interruption of trans... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"african",
"trypanosomiasis",
"variant",
"genotypes",
"tropical",
"diseases",
"geographical",
"locations",
"parasitic",
"diseases",
"parasitic",
"protozoans",
"alleles",
"genetic",
"mapping",
"protozoans",
"neglected",
"tropical",
... | 2019 | Association between IL1 gene polymorphism and human African trypanosomiasis in populations of sleeping sickness foci of southern Cameroon |
The ability to respond to stress is at the core of an organism's survival . The hormones epinephrine and norepinephrine play a central role in stress responses in mammals , which require the synchronized interaction of the whole neuroendocrine system . Mammalian adrenergic receptors are G-coupled protein receptors ( GP... | Bacterial cells respond to the human stress hormones epinephrine ( adrenaline ) and norepinephrine ( noradrenaline ) . These hormones are sensed by a bacterial receptor named QseC , which is a sensor kinase in the membrane that increases its autophosphorylation upon binding to these host signals . In addition to recogn... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"microbiology/microbial",
"evolution",
"and",
"genomics",
"microbiology/cellular",
"microbiology",
"and",
"pathogenesis",
"microbiology/medical",
"microbiology",
"microbiology"
] | 2009 | The QseC Adrenergic Signaling Cascade in Enterohemorrhagic E. coli (EHEC) |
The ability to taste bitterness evolved to safeguard most animals , including humans , against potentially toxic substances , thereby leading to food rejection . Nonetheless , bitter perception is subject to individual variations due to the presence of genetic functional polymorphisms in bitter taste receptor ( TAS2R )... | Human bitter taste is believed to protect us from the ingestion of poisonous substances , thereby shaping food rejections . Bitter perception differs , however , across individuals , due to genetic variations in the ~25 bitter taste receptor ( TAS2R ) genes . A famous example known since the 1930s is the inherited bitt... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"Methods"
] | [] | 2015 | Receptor Polymorphism and Genomic Structure Interact to Shape Bitter Taste Perception |
Tuberous sclerosis complex ( TSC ) is a multisystem genetic disease that manifests with mental retardation , tumor formation , autism , and epilepsy . Heightened signaling through the mammalian target of rapamycin ( mTOR ) pathway is involved in TSC pathology , however it remains unclear how other signaling pathways ar... | Tuberous sclerosis complex ( TSC ) is a genetic disorder that afflicts around 1 in 6 , 000 people and results from a mutation in one of two genes , TSC1 or TSC2 . TSC patients suffer a number of neuronal symptoms including various degrees of autism , mental retardation , and epilepsy , the latter found in more than 80%... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"medicine",
"developmental",
"biology",
"developmental",
"neuroscience",
"synaptic",
"plasticity",
"molecular",
"neuroscience",
"learning",
"and",
"memory",
"neurobiology",
"of",
"disease",
"and",
"regeneration",
"epilepsy",
"synapses",
"signaling",
"molecular",
"developmen... | 2013 | Reduced Juvenile Long-Term Depression in Tuberous Sclerosis Complex Is Mitigated in Adults by Compensatory Recruitment of mGluR5 and Erk Signaling |
In 2015 , the mosquito Aedes albopictus was detected in Rabat , Morocco . This invasive species can be involved in the transmission of more than 25 arboviruses . It is known that each combination of mosquito population and virus genotype leads to a specific interaction that can shape the outcome of infection . Testing ... | The Asian tiger mosquito Aedes albopictus is responsible for the transmission of several arboviruses such as dengue and chikungunya viruses . In 30 to 40 years , it has extended its geographical distribution in both tropical and temperate regions of all continents . The species was first detected in September 2015 , in... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"invertebrates",
"dengue",
"virus",
"morocco",
"medicine",
"and",
"health",
"sciences",
"body",
"fluids",
"pathology",
"and",
"laboratory",
"medicine",
"togaviruses",
"chikungunya",
"infection",
"viral",
"transmission",
"and",
"infection",
"pathogens",
"geographical",
"... | 2019 | Potential of Aedes albopictus to cause the emergence of arboviruses in Morocco |
The ongoing conflict between viruses and their hosts can drive the co-evolution between host immune genes and viral suppressors of immunity . It has been suggested that an evolutionary ‘arms race’ may occur between rapidly evolving components of the antiviral RNAi pathway of Drosophila and viral genes that antagonize i... | Viruses and their hosts can engage in an evolutionary arms race . Viruses may select for hosts with more effective immune responses , whereas the immune response of the host may select for viruses that evade the immune system . These viral counter-defenses may in turn drive adaptations in host immune genes . A potentia... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"invertebrates",
"rna",
"interference",
"microbiology",
"animals",
"animal",
"models",
"drosophila",
"melanogaster",
"model",
"organisms",
"epigenetics",
"drosophila",
"research",
"and",
"analysis",
"methods",
"viral",
"immune",
"evasion",
"insects",
"arthropoda",
"bioche... | 2014 | Novel Drosophila Viruses Encode Host-Specific Suppressors of RNAi |
Phenotypic heterogeneity can confer clonal groups of organisms with new functionality . A paradigmatic example is the bistable expression of virulence genes in Salmonella typhimurium , which leads to phenotypically virulent and phenotypically avirulent subpopulations . The two subpopulations have been shown to divide l... | Scientists have recently realized that nature and nurture are not the only determinants of an individual's traits; some organisms also use random molecular processes to generate phenotypic variation among genetically identical individuals . This raises the question of whether such phenotypic variation could be benefici... | [
"Abstract",
"Introduction",
"Results",
"and",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"organismal",
"evolution",
"ecology",
"and",
"environmental",
"sciences",
"medicine",
"and",
"health",
"sciences",
"microbial",
"physiology",
"ecology",
"medical",
"microbiology",
"microbial",
"evolution",
"epidemiology",
"disease",
"dynamics",
"microbial",
"pathogens",
"... | 2014 | Bistable Expression of Virulence Genes in Salmonella Leads to the Formation of an Antibiotic-Tolerant Subpopulation |
Most cases of human African trypanosomiasis ( HAT ) start with a bite from one of the subspecies of Glossina fuscipes . Tsetse use a range of olfactory and visual stimuli to locate their hosts and this response can be exploited to lure tsetse to insecticide-treated targets thereby reducing transmission . To provide a r... | Efforts to control human African trypanosomiasis ( HAT ) would be strengthened by the development and application of more cost-effective methods of controlling the various species of tsetse fly vector . Among the most promising approaches is the use of insecticide-treated targets which use various olfactory and visual ... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"vector",
"biology",
"tsetse",
"fly",
"biology",
"microbiology"
] | 2012 | Optimizing the Colour and Fabric of Targets for the Control of the Tsetse Fly Glossina fuscipes fuscipes |
One of the major challenges for management of visceral leishmaniasis ( VL ) is early diagnosis of cases to improve treatment outcome and reduce transmission . We have therefore investigated active case detection of VL with the help of accredited social health activists ( ASHA ) . ASHAs are women who live in the communi... | Visceral leishmaniasis ( VL ) is a potentially deadly parasitic disease that affects over 20 , 000 people in Bihar , India annually . Accredited social health activists ( ASHA ) are women who live in the community and render their services towards maternal and other health concerns in the villages where VL is endemic .... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"public",
"and",
"occupational",
"health",
"infectious",
"diseases",
"medicine",
"and",
"health",
"sciences"
] | 2014 | Impact of ASHA Training on Active Case Detection of Visceral Leishmaniasis in Bihar, India |
Few effective drugs are available for soil-transmitted helminthiases and drug resistance is of concern . In the present work , we tested the efficacy of the veterinary drug monepantel , a potential drug development candidate compared to standard drugs in vitro and in parasite-rodent models of relevance to human soil-tr... | Soil-transmitted helminthiases affect more than one billion people among the most vulnerable populations in developing countries . Currently , control of these infections primarily relies on chemotherapy . Only five drugs are available , all of which have been in use for decades . None of the drugs are efficacious usin... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"soil-transmitted",
"helminths",
"trichuriasis",
"hookworm",
"infection",
"parasitic",
"diseases",
"helminth",
"infection"
] | 2011 | In Vitro and In Vivo Efficacy of Monepantel (AAD 1566) against Laboratory Models of Human Intestinal Nematode Infections |
Sexual dimorphisms in trait expression are widespread among animals and are especially pronounced in ornaments and weapons of sexual selection , which can attain exaggerated sizes . Expression of exaggerated traits is usually male-specific and nutrition sensitive . Consequently , the developmental mechanisms generating... | Sexual dimorphisms such as the exaggerated antlers of deer , the enormous clawed chelae of crabs , and the horns and mandibles of beetles , are widespread across animal taxa and have fascinated biologists for centuries . Much recent work has uncovered the importance of the role of the sex-determination pathway in the e... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology",
"genetics",
"biology",
"evolutionary",
"biology",
"zoology"
] | 2014 | Developmental Link between Sex and Nutrition; doublesex Regulates Sex-Specific Mandible Growth via Juvenile Hormone Signaling in Stag Beetles |
During evolution , herpesviruses have developed numerous , and often very ingenious , strategies to counteract efficient host immunity . Specifically , Kaposi's sarcoma-associated herpesvirus ( KSHV ) eludes host immunity by undergoing a dormant stage , called latency wherein it expresses a minimal number of viral prot... | The complement system is an important part of the innate immune system . Pathogens have evolved diverse strategies to evade host immune responses including attack of the complement system . Kaposi's sarcoma-associated herpesvirus ( KSHV ) is associated with Kaposi's sarcoma ( KS ) , primary effusion lymphoma and a subs... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"oncology",
"infectious",
"diseases",
"medicine",
"and",
"health",
"sciences",
"clinical",
"immunology",
"biology",
"and",
"life",
"sciences",
"immunology",
"microbiology"
] | 2014 | Exploitation of the Complement System by Oncogenic Kaposi's Sarcoma-Associated Herpesvirus for Cell Survival and Persistent Infection |
Trypanosoma cruzi , the causative agent of Chagas disease , displays significant genetic variability revealed by six Discrete Typing Units ( TcI-TcVI ) . In this pathology , oral transmission represents an emerging epidemiological scenario where different outbreaks associated to food/beverages consumption have been rep... | Chagas disease represents a serious health problem affecting more than 10 million people in the Americas . The oral transmission route has emerged as a new epidemiological scenario that needs to be considered in prevention and control strategies . Herein was developed a high-resolution molecular characterization using ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"infectious",
"diseases",
"public",
"health",
"and",
"epidemiology",
"chagas",
"disease",
"molecular",
"epidemiology",
"epidemiology",
"genetics",
"molecular",
"genetics",
"biology",
"evolutionary",
"biology",
"parasitic",
"diseases",
"evolutionary",
"systematic... | 2013 | Molecular Epidemiology of Human Oral Chagas Disease Outbreaks in Colombia |
The second messenger , cyclic diguanylate ( c-di-GMP ) , regulates diverse cellular processes in bacteria . C-di-GMP is produced by diguanylate cyclases ( DGCs ) , degraded by phosphodiesterases ( PDEs ) , and receptors couple c-di-GMP production to cellular responses . In many bacteria , including Vibrio cholerae , mu... | C-di-GMP is a ubiquitous intracellular signaling molecule in bacteria and controls diverse cellular processes including biofilm formation , motility and virulence . The genomes of many bacteria often contain numerous genes encoding proteins predicted to produce and degrade c-di-GMP . However , it is currently unclear h... | [
"Abstract",
"Introduction",
"Results/Discussion",
"Materials",
"and",
"Methods"
] | [
"genetics",
"biology",
"microbiology",
"genetics",
"and",
"genomics"
] | 2012 | Cellular Levels and Binding of c-di-GMP Control Subcellular Localization and Activity of the Vibrio cholerae Transcriptional Regulator VpsT |
Mechanisms that generate transcript diversity are of fundamental importance in eukaryotes . Although a large fraction of human protein-coding genes and lincRNAs produce more than one mRNA isoform each , the regulation of this phenomenon is still incompletely understood . Much progress has been made in deciphering the r... | Traditionally , the regulation of gene expression was thought to be largely based on DNA and RNA sequence motifs . However , this dogma has recently been challenged as other factors , such as epigenetic patterning of the genome , have become better understood . Sparse but convincing experimental evidence suggests that ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"genomics",
"genetics",
"biology",
"and",
"life",
"sciences",
"epigenomics",
"computational",
"biology"
] | 2014 | Histone Modifications Are Associated with Transcript Isoform Diversity in Normal and Cancer Cells |
The current Japanese encephalitis ( JE ) vaccine derived from G3 JE virus ( JEV ) can induce protective immunity against G1–G4 JEV genotypes . However , protective efficacy against the emerging G5 genotype has not been reported . Using in vitro and in vivo tests , biological phenotype and cross-immunoreactions were com... | The human disease Japanese encephalitis ( JE ) can be prevented by vaccination , although it is not entirely clear if the emerging JEV G5 genotype can be controlled using the vaccine based on the G3 genotype . Consequently , we systematically compared G3 and G5 cross-neutralizing immune responses in vaccinated humans a... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"viral",
"vaccines",
"medicine",
"and",
"health",
"sciences",
"immune",
"physiology",
"enzyme-linked",
"immunoassays",
"china",
"immunology",
"geographical",
"locations",
"microbiology",
"pediatrics",
"vaccines",
"preventive",
"medicine",
"pediatric",
"infections",
"antibod... | 2016 | Low Protective Efficacy of the Current Japanese Encephalitis Vaccine against the Emerging Genotype 5 Japanese Encephalitis Virus |
In F . graminearum , the transcriptional regulator Tri6 is encoded within the trichothecene gene cluster and regulates genes involved in the biosynthesis of the secondary metabolite deoxynivalenol ( DON ) . The Tri6 protein with its Cys2His2 zinc-finger may also conform to the class of global transcription regulators .... | Our knowledge of mechanisms involved in the activation and biosynthesis of DON comes largely from in vitro culture studies . Cumulated knowledge suggests that the physiological status of the fungus and the availability of nutrients are the main determining factors for DON production . Integration of various environment... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biochemistry",
"biology",
"metabolism"
] | 2011 | Tri6 Is a Global Transcription Regulator in the Phytopathogen Fusarium graminearum |
AmBisome therapy for VL has an excellent efficacy and safety profile and has been adopted as a first-line regimen in Bangladesh . Second-line treatment options are limited and should preferably be given in short course combinations in order to prevent the development of resistant strains . Combination regimens includin... | Treatment is one of the key strategies for visceral leishmaniasis control and elimination . Historically a number of monotherapy drugs for VL treatment were used in Bangladesh , including pentavalent antimonials , amphotericin B deoxycholate ( AmB ) , and miltefosine ( MF ) . With the limited number of drugs available ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"clinical",
"research",
"design",
"vomiting",
"geographical",
"locations",
"tropical",
"diseases",
"india",
"parasitic",
"diseases",
"research",
"design",
"physiological",
"processes",
... | 2017 | Safety and efficacy of short course combination regimens with AmBisome, miltefosine and paromomycin for the treatment of visceral leishmaniasis (VL) in Bangladesh |
We introduce an Active Vertex Model ( AVM ) for cell-resolution studies of the mechanics of confluent epithelial tissues consisting of tens of thousands of cells , with a level of detail inaccessible to similar methods . The AVM combines the Vertex Model for confluent epithelial tissues with active matter dynamics . Th... | We present a detailed analysis of the Active Vertex Model to study the mechanics of confluent epithelial tissues and cell monolayers . The model combines the commonly used Vertex Model for describing epithelial tissue mechanics with the active matter dynamics extensively studied in soft matter physics . We utlise an ex... | [
"Abstract",
"Introduction",
"Model",
"Results",
"and",
"discussion"
] | [
"cell",
"physiology",
"cell",
"motility",
"medicine",
"and",
"health",
"sciences",
"classical",
"mechanics",
"cell",
"cycle",
"and",
"cell",
"division",
"cell",
"processes",
"cell",
"polarity",
"simulation",
"and",
"modeling",
"physiological",
"processes",
"developmen... | 2017 | Active Vertex Model for cell-resolution description of epithelial tissue mechanics |
Neural systems are inherently noisy , and this noise can affect our perception from moment to moment . This is particularly apparent in binocular rivalry , where perception of competing stimuli shown to the left and right eyes alternates over time . We modulated rivalling stimuli using dynamic sequences of external noi... | Although our perception of the world appears constant , sensory representations are variable because of the ‘noisy’ nature of biological neurons . Here we used a binocular rivalry paradigm , in which conflicting images are shown to the two eyes , to probe the properties of this internal variability . Using a novel para... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"and",
"health",
"sciences",
"engineering",
"and",
"technology",
"signal",
"processing",
"social",
"sciences",
"neuroscience",
"signal",
"filtering",
"perception",
"cognitive",
"psychology",
"white",
"noise",
"vision",
"eyes",
"head",
"psychology",
"bandpass... | 2019 | Dynamic properties of internal noise probed by modulating binocular rivalry |
Streptococcus equi subsp . zooepidemicus ( SEZ ) is a zoonotic pathogen capable of causing meningitis in humans . The mechanisms that enable pathogens to traverse the blood-brain barrier ( BBB ) are incompletely understood . Here , we investigated the role of a newly identified Fic domain-containing protein , BifA , in... | Streptococcus equi subsp . zooepidemicus ( SEZ ) is an important animal pathogen and can cause meningitis in humans . Little is known about how this Group C streptococcal species penetrates the blood-brain barrier ( BBB ) . We identified bifA , a gene that is critical for SEZ to cause meningitis in mice and to penetrat... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"phosphorylation",
"medicine",
"and",
"health",
"sciences",
"molecular",
"probe",
"techniques",
"endothelial",
"cells",
"permeability",
"immunoblotting",
"plasmid",
"construction",
"epithelial",
"cells",
"health",
"care",
"materials",
"science",
"dna",
"construction",
"mo... | 2019 | A streptococcal Fic domain-containing protein disrupts blood-brain barrier integrity by activating moesin in endothelial cells |
DNA methylation is a key epigenetic regulator in all domains of life , yet the effects of most bacterial DNA methyltransferases on cellular processes are largely undefined . Here , we used diverse techniques , including bisulfite sequencing , transcriptomics , and transposon insertion site sequencing to extensively cha... | Methylation of DNA is used by numerous organisms to regulate a wide variety of cellular processes , but specific roles for most DNA methyltransferases have not been defined . We studied one such enzyme in Vibrio cholerae , the cholera pathogen , using genome-wide approaches to compare DNA methylation , gene expression ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | A Cytosine Methytransferase Modulates the Cell Envelope Stress Response in the Cholera Pathogen |
Marine viruses play a critical role not only in the global geochemical cycles but also in the biology and evolution of their hosts . Despite their importance , viral diversity remains underexplored mostly due to sampling and cultivation challenges . Direct sequencing approaches such as viromics has provided new insight... | These data provided a glimpse of the genetic diversity and variability of viral sequences without introducing the amplification biases produced when studying viromes . Metagenomes contain abundant viral material due to cells retrieved while undergoing viral lysis or as temperate viruses inserted in the chromosome . Usi... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"ecology",
"and",
"environmental",
"sciences",
"bacteriophages",
"oceans",
"microbiology",
"sequence",
"assembly",
"tools",
"viruses",
"genomic",
"databases",
"metagenomics",
"mediterranean",
"sea",
"aquatic",
"environments",
"genome",
"analysis",
"bodies",
"of",
"water",... | 2017 | Genome diversity of marine phages recovered from Mediterranean metagenomes: Size matters |
Cells in developing organisms are subjected to particular mechanical forces that shape tissues and instruct cell fate decisions . How these forces are sensed and transmitted at the molecular level is therefore an important question , one that has mainly been investigated in cultured cells in vitro . Here , we elucidate... | Cells in our body are constantly exposed to mechanical forces , which they need to sense and react to . In previous studies , fluorescent force sensors were developed to demonstrate that individual proteins in adhesion structures of a cell experience forces in the piconewton ( pN ) range . However , these cells were an... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"fluorescence",
"imaging",
"medicine",
"and",
"health",
"sciences",
"muscle",
"tissue",
"fluorophotometry",
"developmental",
"biology",
"muscle",
"proteins",
"pupae",
"bioassays",
"and",
"physiological",
"analysis",
"muscle",
"biochemistry",
"muscle",
"analysis",
"researc... | 2019 | A small proportion of Talin molecules transmit forces at developing muscle attachments in vivo |
Sleep plays a role in memory consolidation . This is demonstrated by improved performance and neural plasticity underlying that improvement after sleep . Targeted memory reactivation ( TMR ) allows the manipulation of sleep-dependent consolidation through intentionally biasing the replay of specific memories in sleep ,... | After a motor skill is learned , the memory undergoes "offline" processing so that improvement occurs even without further practice . Sleep has been shown to enhance this consolidation and , in the process , to reorganize the brain regions involved . However , it remains unclear how sleep does this , and whether differ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"&",
"Methods"
] | [
"learning",
"medicine",
"and",
"health",
"sciences",
"diagnostic",
"radiology",
"functional",
"magnetic",
"resonance",
"imaging",
"sleep",
"brain",
"social",
"sciences",
"neuroscience",
"learning",
"and",
"memory",
"magnetic",
"resonance",
"imaging",
"physiological",
"p... | 2016 | Cued Reactivation of Motor Learning during Sleep Leads to Overnight Changes in Functional Brain Activity and Connectivity |
It has been a long-standing goal in systems biology to find relations between the topological properties and functional features of protein networks . However , most of the focus in network studies has been on highly connected proteins ( “hubs” ) . As a complementary notion , it is possible to define bottlenecks as pro... | A network is a graph consisting of a number of nodes with edges connecting them . Recently , network models have been widely applied to biological systems . Here , we are mainly interested in two types of biological networks: the interaction network , where nodes are proteins and edges connect interacting partners; and... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"evolutionary",
"biology",
"saccharomyces",
"computational",
"biology"
] | 2007 | The Importance of Bottlenecks in Protein Networks: Correlation with Gene Essentiality and Expression Dynamics |
Genome-wide scans of genetic variation can potentially provide detailed information on how modern humans colonized the world but require new methods of analysis . We introduce a statistical approach that uses Single Nucleotide Polymorphism ( SNP ) data to identify sharing of chromosomal segments between populations and... | Humans like to tell stories . Amongst the most captivating is the story of the global spread of modern humans from their original homeland in Africa . Traditionally this has been the preserve of anthropologists , but geneticists are starting to make an important contribution . However , genetic evidence is typically an... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods",
"Simulations"
] | [
"evolutionary",
"biology/human",
"evolution",
"genetics",
"and",
"genomics"
] | 2008 | Inferring Human Colonization History Using a Copying Model |
The ability of any organism to sense and respond to challenges presented in the environment is critically important for promoting or restricting colonization of specific sites . Recent work has demonstrated that the host metabolite D-serine has the ability to markedly influence the outcome of infection by repressing th... | The host intestinal tract is a challenging environment for any foreign organisms not usually found within the microbiota . Intruding pathogens must survive physical barriers and readily compete with the local micro flora for limited nutrients within their preferred niche . In order to do this , intestinal pathogens hav... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2016 | A Highly Conserved Bacterial D-Serine Uptake System Links Host Metabolism and Virulence |
Dengue infection spread in naive populations occurs in an explosive and widespread fashion primarily due to the absence of population herd immunity , the population dynamics and dispersal of Ae . aegypti , and the movement of individuals within the urban space . Knowledge on the relative contribution of such factors to... | Global trends in population growth and human redistribution and movement have reshaped the map of dengue transmission risk , exposing a significant proportion of the world's population to the threat of dengue epidemics . Knowledge on the relative contribution of vector and human movement to the widespread and explosive... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"public",
"health",
"and",
"epidemiology/epidemiology",
"infectious",
"diseases/viral",
"infections",
"ecology/spatial",
"and",
"landscape",
"ecology",
"mathematics/statistics",
"infectious",
"diseases/epidemiology",
"and",
"control",
"of",
"infectious",
"diseases"
] | 2010 | Quantifying the Spatial Dimension of Dengue Virus Epidemic Spread within a Tropical Urban Environment |
Reproductive proteins are among the fastest evolving in the proteome , often due to the consequences of positive selection , and their rapid evolution is frequently attributed to a coevolutionary process between interacting female and male proteins . Such a process could leave characteristic signatures at coevolving ge... | When a sperm meets an egg , it must display the correct recognition proteins to achieve fertilization . Given the importance of fertilization one would think these proteins are perfected and do not change over time; however , recent studies show that they do change and quite rapidly . Thus , the sperm and egg must chan... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biochemistry/molecular",
"evolution",
"evolutionary",
"biology/evolutionary",
"and",
"comparative",
"genetics",
"evolutionary",
"biology/sexual",
"behavior",
"molecular",
"biology/molecular",
"evolution",
"evolutionary",
"biology",
"genetics",
"and",
"genomics",
"genetics",
"a... | 2009 | Coevolution of Interacting Fertilization Proteins |
Epstein-Barr virus ( EBV ) is linked to a broad spectrum of B-cell malignancies . EBV nuclear antigen 3C ( EBNA3C ) is an encoded latent antigen required for growth transformation of primary human B-lymphocytes . Interferon regulatory factor 4 ( IRF4 ) and 8 ( IRF8 ) are transcription factors of the IRF family that reg... | Interferon regulatory factor ( IRF ) family members have different roles in context of pathogen response , signal transduction , cell proliferation and hematopoietic development . IRF4 and IRF8 are members of the IRF family and are critical mediators of B-cell development . Enhanced expression of IRF4 is often associat... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"viruses",
"and",
"cancer",
"virology",
"biology",
"microbiology"
] | 2013 | The EBV Latent Antigen 3C Inhibits Apoptosis through Targeted Regulation of Interferon Regulatory Factors 4 and 8 |
The downstream functions of the DNA binding tumor suppressor p53 vary depending on the cellular context , and persistent p53 activation has recently been implicated in tumor suppression and senescence . However , genome-wide information about p53-target gene regulation has been derived mostly from acute genotoxic condi... | The p53 transcription factor is a frequently mutated tumour suppressor that contributes to repairing or eliminating damaged cells . Levels of p53 are typically regulated through its stability; it is constantly produced and degraded , so that upon stress , p53 is up-regulated quickly . This acutely induced p53 has been ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Phenotype Specific Analyses Reveal Distinct Regulatory Mechanism for Chronically Activated p53 |
Land plants have evolved increasingly complex regulatory modes of their flowering time ( or heading date in crops ) . Rice ( Oryza sativa L . ) is a short-day plant that flowers more rapidly in short-day but delays under long-day conditions . Previous studies have shown that the CO-FT module initially identified in lon... | Rice is an important source of calories for mankind . Flowering time determines cropping seasons and regional adaptability of crops . Rice is originated from its wild progenitor , O . rufipogon , which is mainly distributed at tropical latitudes with a northern limit about 28 °N , more than 10 , 000 years ago . However... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"developmental",
"biology",
"plant",
"science",
"plant",
"biology",
"genetics",
"biology",
"genetics",
"and",
"genomics"
] | 2013 | Ehd4 Encodes a Novel and Oryza-Genus-Specific Regulator of Photoperiodic Flowering in Rice |
Candida metapsilosis is a rarely-isolated , opportunistic pathogen that belongs to a clade of pathogenic yeasts known as the C . parapsilosis sensu lato species complex . To gain insight into the recent evolution of C . metapsilosis and the genetic basis of its virulence , we sequenced the genome of 11 clinical isolate... | Human pathogens belong to different phylogenetic clades and it is clear that the ability to infect humans emerged several times independently . The sequencing and comparison of genomes from pathogenic and non-pathogenic species and strains paves the way to identify what genomic changes underlie the emergence of virulen... | [
"Abstract",
"Introduction",
"Results",
"and",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | The Genomic Aftermath of Hybridization in the Opportunistic Pathogen Candida metapsilosis |
The bloodstream forms of Trypanosoma brucei ( BSF ) , the parasite protist causing sleeping sickness , primarily proliferate in the blood of their mammalian hosts . The skin and adipose tissues were recently identified as additional major sites for parasite development . Glucose was the only carbon source known to be u... | Until very recently , the bloodstream forms ( BSF ) of the Trypanosoma brucei group species have been considered to propagate exclusively in the mammalian fluids , including the blood , the lymphatic network and the cerebrospinal fluid . All these fluids are rich in glucose , which is widely considered by the scientifi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"physiology",
"carbohydrate",
"metabolism",
"chemical",
"compounds",
"monomers",
"phosphates",
"enzymology",
"carbohydrates",
"glucose",
"metabolism",
"organic",
"compounds",
"parasitic",
"protozoans",
"glucose",
"cell",
"metabolism",
"oxygen",
"metabolism",
"protoz... | 2018 | Glycerol supports growth of the Trypanosoma brucei bloodstream forms in the absence of glucose: Analysis of metabolic adaptations on glycerol-rich conditions |
Metabolic reactions of single-cell organisms are routinely observed to become dispensable or even incapable of carrying activity under certain circumstances . Yet , the mechanisms as well as the range of conditions and phenotypes associated with this behavior remain very poorly understood . Here we predict computationa... | Cellular growth and other integrated metabolic functions are manifestations of the coordinated interconversion of a large number of chemical compounds . But what is the relation between such whole-cell behaviors and the activity pattern of the individual biochemical reactions ? In this study , we have used flux balance... | [
"Abstract",
"Introduction",
"Results",
"Materials",
"and",
"Methods"
] | [
"computational",
"biology/metabolic",
"networks",
"computational",
"biology/systems",
"biology"
] | 2008 | Spontaneous Reaction Silencing in Metabolic Optimization |
There is a paucity of robust epidemiological data on snakebite , and data available from hospitals and localized or time-limited surveys have major limitations . No study has investigated the incidence of snakebite across a whole country . We undertook a community-based national survey and model based geostatistics to ... | Snakebite is a neglected tropical disease which mainly affects the rural poor in tropical countries . There is little reliable data on snakebite , which makes it difficult to estimate the true disease burden . Hospital statistics underestimate numbers of snakebites because a significant proportion of victims in tropica... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"cognitive",
"science",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"decision",
"making",
"tropical",
"diseases",
"geographical",
"locations",
"vertebrates",
"neuroscience",
"animals",
"epidemiological",
"methods",
"and",
"statis... | 2016 | Mapping the Risk of Snakebite in Sri Lanka - A National Survey with Geospatial Analysis |
Oculopharyngeal muscular dystrophy ( OPMD ) , a late-onset disorder characterized by progressive degeneration of specific muscles , results from the extension of a polyalanine tract in poly ( A ) binding protein nuclear 1 ( PABPN1 ) . While the roles of PABPN1 in nuclear polyadenylation and regulation of alternative po... | Oculopharyngeal muscular dystrophy is a genetic disease characterized by progressive degeneration of specific muscles , leading to ptosis ( eyelid drooping ) , dysphagia ( swallowing difficulties ) and proximal limb weakness . The disease results from mutations in a nuclear protein called poly ( A ) binding protein nuc... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | Mitochondrial Dysfunction Reveals the Role of mRNA Poly(A) Tail Regulation in Oculopharyngeal Muscular Dystrophy Pathogenesis |
Staphylococcus aureus is a major pathogen that colonizes about 20% of the human population . Intriguingly , this Gram-positive bacterium can survive and thrive under a wide range of different conditions , both inside and outside the human body . Here , we investigated the transcriptional adaptation of S . aureus HG001 ... | The major human pathogen Staphylococcus aureus can survive under a wide range of conditions , both inside and outside the human body . The goal of this study was to determine how S . aureus adapts to such different conditions and , additionally , we wanted to identify general factors governing the staphylococcal transc... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"gene",
"regulation",
"pathogens",
"bacillus",
"microbiology",
"staphylococcus",
"aureus",
"dna",
"transcription",
"prokaryotic",
"models",
"regulator",
"genes",
"model",
"organisms",
... | 2016 | Staphylococcus aureus Transcriptome Architecture: From Laboratory to Infection-Mimicking Conditions |
Neisseria meningitidis serogroup A is the main causative pathogen of meningitis epidemics in sub-Saharan Africa . In recent years , serogroup W135 has also been the cause of epidemics . Mass vaccination campaigns with polysaccharide vaccines are key elements in controlling these epidemics . Facing global vaccine shorta... | Meningitis are infections of the lining of the brain and spinal cord and can cause high fever , blood poisoning , and brain damage , as well as result in death in up to 10% of cases . Epidemics of meningitis occur almost every year in parts of sub-Saharan Africa , throughout a high-burden area spanning Senegal to Ethio... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"infectious",
"diseases/infectious",
"diseases",
"of",
"the",
"nervous",
"system",
"infectious",
"diseases/neglected",
"tropical",
"diseases",
"neurological",
"disorders/infectious",
"diseases",
"of",
"the",
"nervous",
"system",
"immunology/immune",
"response",
"pediatrics",
... | 2008 | Immunogenicity of Fractional Doses of Tetravalent A/C/Y/W135 Meningococcal Polysaccharide Vaccine: Results from a Randomized Non-Inferiority Controlled Trial in Uganda |
Genetic disruption of the dystrophin complex produces muscular dystrophy characterized by a fragile muscle plasma membrane leading to excessive muscle degeneration . Two genetic modifiers of Duchenne Muscular Dystrophy implicate the transforming growth factor β ( TGFβ ) pathway , osteopontin encoded by the SPP1 gene an... | Genetic modifiers for muscular dystrophy have been identified through transcriptomic and genomic profiling in humans and mouse models . Two modifiers , Ltbp4 and Spp1 , encode extracellular proteins while a third modifier , Anxa6 , specifies a membrane-associated protein . Using a model of muscle injury , we assessed t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biotechnology",
"traumatic",
"injury",
"medicine",
"and",
"health",
"sciences",
"engineering",
"and",
"technology",
"lasers",
"animal",
"models",
"muscle",
"proteins",
"model",
"organisms",
"experimental",
"organism",
"systems",
"optical",
"equipment",
"genetic",
"engi... | 2017 | Genetic modifiers of muscular dystrophy act on sarcolemmal resealing and recovery from injury |
Giardia duodenalis is prevalent in tropical settings where diverse opportunities exist for transmission between people and animals . We conducted a cross-sectional study of G . duodenalis in people , livestock , and wild primates near Kibale National Park , Uganda , where human-livestock-wildlife interaction is high du... | Giardia duodenalis is a common protozoan parasite that infects multiple mammalian species , including humans . We analyzed G . duodenalis from people , livestock , and wild non-human primates in forest fragments near Kibale National Park , western Uganda , where habitat disturbance and human-animal interaction are high... | [
"Abstract",
"Introduction",
"Materials",
"and",
"Methods",
"Results",
"Discussion"
] | [
"ecology",
"infectious",
"diseases/epidemiology",
"and",
"control",
"of",
"infectious",
"diseases"
] | 2010 | Molecular Epidemiology of Cross-Species Giardia duodenalis Transmission in Western Uganda |
β-III spectrin is present in the brain and is known to be important in the function of the cerebellum . Heterozygous mutations in SPTBN2 , the gene encoding β-III spectrin , cause Spinocerebellar Ataxia Type 5 ( SCA5 ) , an adult-onset , slowly progressive , autosomal-dominant pure cerebellar ataxia . SCA5 is sometimes... | β-III spectrin is present in the brain and is known to be important in the function of the cerebellum . Mutations in β-III spectrin cause spinocerebellar ataxia type 5 ( SCA5 ) , sometimes called Lincoln ataxia because it was first described in the relatives of United States President Abraham Lincoln . This is generall... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biotechnology",
"medicine",
"model",
"organisms",
"pediatrics",
"and",
"child",
"health",
"neurology",
"genetics",
"neurological",
"disorders",
"biology",
"genomics",
"molecular",
"cell",
"biology",
"neuroscience",
"genetics",
"and",
"genomics",
"pediatrics",
"clinical",... | 2012 | Recessive Mutations in SPTBN2 Implicate β-III Spectrin in Both Cognitive and Motor Development |
Many immune correlates of CD8+ T-cell-mediated control of HIV replication , including polyfunctionality , proliferative ability , and inhibitory receptor expression , have been discovered . However , no functional correlates using ex vivo cells have been identified with the known ability to cause the direct elimination... | While the majority HIV-infected individuals progress to AIDS , a fraction of these individuals—for reasons not completely understood—do not develop AIDS and also display sustained control over viral replication; these subjects are sometimes referred to as elite controllers ( EC ) . Prior evidence has shown that HIV-spe... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"infectious",
"diseases/hiv",
"infection",
"and",
"aids",
"immunology/immunity",
"to",
"infections",
"immunology/immune",
"response"
] | 2010 | Perforin Expression Directly Ex Vivo by HIV-Specific CD8+ T-Cells Is a Correlate of HIV Elite Control |
Chikungunya virus ( CHIKV ) , an alphavirus that causes fever and severe polyarthralgia , swept through the Americas in 2014 with almost 2 million suspected or confirmed cases reported by April 2016 . In this study , we estimate the direct medical costs , cost of lost wages due to absenteeism , and years lived with dis... | Chikungunya , a virus carried and transmitted by mosquitoes , causes fever , headache , and severe joint pain in humans that often resolves within 7–10 days . However , a proportion of cases , up to 79% in some outbreaks , report persistent joint pain and chronic inflammatory rheumatism , resulting in decreased quality... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"medicine",
"and",
"health",
"sciences",
"employment",
"pathology",
"and",
"laboratory",
"medicine",
"togaviruses",
"chikungunya",
"infection",
"pathogens",
"tropical",
"diseases",
"microbiology",
"social",
"sciences",
"indirect",
"costs",
"alphaviruses",
"health",
"care"... | 2019 | Estimating the cost of illness and burden of disease associated with the 2014–2015 chikungunya outbreak in the U.S. Virgin Islands |
Bdellovibrio bacteriovorus invade Gram-negative bacteria in a predatory process requiring Type IV pili ( T4P ) at a single invasive pole , and also glide on surfaces to locate prey . Ras-like G-protein MglA , working with MglB and RomR in the deltaproteobacterium Myxococcus xanthus , regulates adventurous gliding and T... | Bacterial cell polarity control is important for maintaining asymmetry of polar components such as flagella and pili . Bdellovibrio bacteriovorus is a predatory deltaproteobacterium which attaches to , and invades , other bacteria using Type IV pili ( T4P ) extruded from the specialised , invasive , non-flagellar pole ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"organismal",
"evolution",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"microbiology",
"gene",
"function",
"developmental",
"biology",
"mutation",
"molecular",
"cell",
"biology",
"speciation",
"microbial",
"evolution",
"microbial... | 2014 | Ras GTPase-Like Protein MglA, a Controller of Bacterial Social-Motility in Myxobacteria, Has Evolved to Control Bacterial Predation by Bdellovibrio |
Fascioliasis is a neglected zoonosis with major public health implications in humans . Although triclabendazole ( TCBZ ) is the drug of choice , there are records of TCBZ failure worldwide . TCBZ-resistant fascioliasis is treated with alternative approved drugs including nitazoxanide ( NTZ ) , with varying levels of ef... | Fascioliasis is a neglected zoonosis with major public health implications in humans . Triclabendazole ( TCBZ ) is the drug of choice , but alternative approved drugs are necessary in cases of TCBZ failure . Nitazoxanide ( NTZ ) is an alternative used in such cases . However , the efficacy of NTZ in TCBZ-failure cases ... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"blood",
"cells",
"invertebrates",
"medicine",
"and",
"health",
"sciences",
"immune",
"cells",
"pathology",
"and",
"laboratory",
"medicine",
"helminths",
"immunology",
"tropical",
"diseases",
"geographical",
"locations",
"fascioliasis",
"parasitic",
"diseases",
"animals",... | 2019 | Evaluation of nitazoxanide treatment following triclabendazole failure in an outbreak of human fascioliasis in Upper Egypt |
Human cytomegalovirus ( HCMV ) infects about 50% of the US population , is the leading infectious cause of birth defects , and is considered the most important infectious agent in transplant recipients . The virus infects many cell types in vivo and in vitro . While previous studies have identified several cellular pro... | Human cytomegalovirus ( HCMV ) is an important human pathogen that infects about half the US population and is a major cause of birth defects and morbidity in transplant recipients . Despite extensive research , much is still unknown regarding how the virus enters cells . We identified THY-1 , a protein on the surface ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [] | 2015 | THY-1 Cell Surface Antigen (CD90) Has an Important Role in the Initial Stage of Human Cytomegalovirus Infection |
The causes and mechanisms of evolutionary diversification are central issues in biology . Geographic isolation is the traditional explanation for diversification , but recent theoretical and empirical studies have shown that frequency-dependent selection can drive diversification without isolation and that adaptive div... | The causes and mechanisms of evolutionary diversification are central issues in biology . There is well-established theory that predicts that adaptive diversification can arise because of ecological interactions between individuals , such as competition or predation , but there are no empirical examples in which this p... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"biology"
] | 2013 | Parallel Evolutionary Dynamics of Adaptive Diversification in Escherichia coli |
The herpesvirus proteins HSV-1 ICP27 and HVS ORF57 promote viral mRNA export by utilizing the cellular mRNA export machinery . This function is triggered by binding to proteins of the transcription-export ( TREX ) complex , in particular to REF/Aly which directs viral mRNA to the TAP/NFX1 pathway and , subsequently , t... | When invading host cells , herpes viruses highjack cellular components to allow them to replicate . It has been long recognized that each herpes virus has a specific signature adaptor protein which , among other functions , inserts viral mRNA into the cellular mRNA nuclear export pathway , enabling production of viral ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"computational",
"biology/macromolecular",
"structure",
"analysis",
"biophysics/macromolecular",
"assemblies",
"and",
"machines",
"molecular",
"biology/rna-protein",
"interactions",
"biochemistry/experimental",
"biophysical",
"methods",
"biophysics/biomacromolecule-ligand",
"interactio... | 2011 | Structural Basis for the Recognition of Cellular mRNA Export Factor REF by Herpes Viral Proteins HSV-1 ICP27 and HVS ORF57 |
Genotype-phenotype relationships can vary extensively among members of a species . One cause of this variation is circuit diversification , the alteration of gene regulatory relationships among members of a species . Circuit diversification is thought to be a starting point for the circuit divergence or rewiring that o... | Much of what we know about microbial pathogens is derived from in-depth analysis of one or a few standard laboratory strains . This statement is especially true for the fungal pathogen Candida albicans , because most studies have centered on strain SC5314 and its genetically marked derivatives . Here we examine the fun... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods"
] | [
"biofilms",
"medicine",
"and",
"health",
"sciences",
"pathology",
"and",
"laboratory",
"medicine",
"gene",
"regulation",
"pathogens",
"microbiology",
"mutation",
"fungi",
"experimental",
"organism",
"systems",
"molecular",
"biology",
"techniques",
"fungal",
"pathogens",
... | 2019 | Circuit diversification in a biofilm regulatory network |
In order to better assist medical professionals , this study aimed to develop and compare the performance of three models—a multivariate logistic regression ( LR ) model , an artificial neural network ( ANN ) model , and a decision tree ( DT ) model—to predict the prognosis of patients with advanced schistosomiasis res... | Worldwide , approximately 240 million individuals are infected with schistosomiasis , a parasitic neglected tropical disease that continues to be a significant cause of morbidity and mortality , especially in China . Effective tools that can accurately predict the prognosis of patients with advanced schistosomiasis wou... | [
"Abstract",
"Introduction",
"Methods",
"Results",
"Discussion"
] | [
"schistosoma",
"invertebrates",
"medicine",
"and",
"health",
"sciences",
"helminths",
"tropical",
"diseases",
"parasitic",
"diseases",
"neuroscience",
"animals",
"data",
"mining",
"artificial",
"neural",
"networks",
"mathematics",
"forecasting",
"statistics",
"(mathematics)... | 2018 | Comparison of three data mining models for prediction of advanced schistosomiasis prognosis in the Hubei province |
We have reported that transcription of a hypothetical small open reading frame ( orf60 ) in enteroaggregative E . coli ( EAEC ) strain 042 is impaired after mutation of aggR , which encodes a global virulence activator . We have also reported that the cryptic orf60 locus was linked to protection against EAEC diarrhea i... | We report here the identification and characterization of a new family of negative regulators in Gram-negative bacteria , including many pathotypes of diarrheagenic Enterobacteriaceae and members of the Pasteurellaceae . Members of this regulator family in enteroaggregative ( EAEC ) and enterotoxigenic E . coli ( ETEC ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"bacteriology",
"escherichia",
"coli",
"gram",
"negative",
"bacteria",
"medical",
"microbiology",
"microbial",
"pathogens",
"biology",
"and",
"life",
"sciences",
"microbiology",
"bacterial",
"pathogens"
] | 2014 | A Large Family of Antivirulence Regulators Modulates the Effects of Transcriptional Activators in Gram-negative Pathogenic Bacteria |
In some tropical countries , such as Brazil , schistosomiasis control programs have led to a significant reduction in the prevalence and parasite burden of endemic populations . In this setting , the Kato-Katz technique , as the standard diagnostic method for the diagnosis of Schistosoma mansoni infections , which invo... | Human infection with the flatworm Schistosoma mansoni continues to be a public health problem in many tropical countries , including Brazil . The parasitological method recommended by the World Health Organization for the detection of intestinal schistosomiasis , the Kato-Katz method ( KK ) , underestimates the prevale... | [
"Abstract",
"Introduction",
"Materials",
"and",
"methods",
"Results",
"Discussion"
] | [
"schistosoma",
"invertebrates",
"schistosoma",
"mansoni",
"medicine",
"and",
"health",
"sciences",
"body",
"fluids",
"helminths",
"tropical",
"diseases",
"parasitic",
"diseases",
"animals",
"parasitology",
"urine",
"neglected",
"tropical",
"diseases",
"parasitic",
"intest... | 2018 | Evaluation of diagnostic methods for the detection of intestinal schistosomiasis in endemic areas with low parasite loads: Saline gradient, Helmintex, Kato-Katz and rapid urine test |
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