The polyfunctionality of human memory CD8+ T cells elicited by acute and chronic virus infections is not influenced by age.

abstract：:MicroRNAs (miRNAs) are 19 to 23 nucleotide-long RNAs that post-transcriptionally regulate gene expression. Human cells express several hundred miRNAs which regulate important biological pathways such as development, proliferation, and apoptosis. Recently, 12 miRNA genes have been identified within the genome of Kaposi...

journal_title：PLoS pathogens

authors： Samols MA,Skalsky RL,Maldonado AM,Riva A,Lopez MC,Baker HV,Renne R

更新日期：2007-05-11 00:00:00

abstract：:The envelope glycoprotein (Env) of the Human Immunodeficiency Virus Type-1 (HIV-1) is a critical determinant of viral infectivity, tropism and is the main target for humoral immunity; however, little is known about the cellular machinery that directs Env trafficking and its incorporation into nascent virions. Here we ...

journal_title：PLoS pathogens

authors： Groppelli E,Len AC,Granger LA,Jolly C

更新日期：2014-11-13 00:00:00

abstract：:The porcine reproductive and respiratory syndrome virus (PRRSV) is a major threat to swine health worldwide and is considered the most significant viral disease in the swine industry today. In past years, studies on the entry of the virus into its host cell have led to the identification of a number of essential virus...

journal_title：PLoS pathogens

authors： Van Breedam W,Van Gorp H,Zhang JQ,Crocker PR,Delputte PL,Nauwynck HJ

更新日期：2010-01-15 00:00:00

abstract：:Dynamic regulation of leukocyte population size and activation state is crucial for an effective immune response. In malaria, Plasmodium parasites elicit robust host expansion of macrophages and monocytes, but the underlying mechanisms remain unclear. Here we show that myeloid expansion during P. chabaudi infection is...

journal_title：PLoS pathogens

authors： Fontana MF,de Melo GL,Anidi C,Hamburger R,Kim CY,Lee SY,Pham J,Kim CC

更新日期：2016-12-06 00:00:00

abstract：:The RNA synthesis machinery of vesicular stomatitis virus (VSV) comprises the genomic RNA encapsidated by the viral nucleocapsid protein (N) and associated with the RNA dependent RNA polymerase, the viral components of which are a large protein (L) and an accessory phosphoprotein (P). The 241 kDa L protein contains al...

journal_title：PLoS pathogens

authors： Tekes G,Rahmeh AA,Whelan SP

更新日期：2011-06-01 00:00:00

abstract：:Interferon protects mice from vesicular stomatitis virus (VSV) infection and pathogenesis; however, it is not known which of the numerous interferon-stimulated genes (ISG) mediate the antiviral effect. A prominent family of ISGs is the interferon-induced with tetratricopeptide repeats (Ifit) genes comprising three mem...

journal_title：PLoS pathogens

authors： Fensterl V,Wetzel JL,Ramachandran S,Ogino T,Stohlman SA,Bergmann CC,Diamond MS,Virgin HW,Sen GC

更新日期：2012-01-01 00:00:00

abstract：:Discovering novel genes involved in immune evasion and drug resistance in the human malaria parasite, Plasmodium falciparum, is of critical importance to global health. Such knowledge may assist in the development of new effective vaccines and in the appropriate use of antimalarial drugs. By performing a full-genome s...

journal_title：PLoS pathogens

authors： Kidgell C,Volkman SK,Daily J,Borevitz JO,Plouffe D,Zhou Y,Johnson JR,Le Roch K,Sarr O,Ndir O,Mboup S,Batalov S,Wirth DF,Winzeler EA

更新日期：2006-06-01 00:00:00

abstract：:Ebolaviruses, highly lethal zoonotic pathogens, possess longer genomes than most other non-segmented negative-strand RNA viruses due in part to long 5' and 3' untranslated regions (UTRs) present in the seven viral transcriptional units. To date, specific functions have not been assigned to these UTRs. With reporter as...

journal_title：PLoS pathogens

authors： Shabman RS,Hoenen T,Groseth A,Jabado O,Binning JM,Amarasinghe GK,Feldmann H,Basler CF

更新日期：2013-01-01 00:00:00

abstract：:Respiratory virus infections, such as influenza, typically induce a robust type I (pro-inflammatory cytokine) immune response, however, the production of type 2 cytokines has been observed. Type 2 cytokine production during respiratory virus infection is linked to asthma exacerbation; however, type 2 cytokines may als...

journal_title：PLoS pathogens

authors： Gorski SA,Hahn YS,Braciale TJ

更新日期：2013-09-01 00:00:00

abstract：:Many viruses express factors that reduce host gene expression through widespread degradation of cellular mRNA. An example of this class of proteins is the mRNA-targeting endoribonuclease SOX from the gamma-herpesvirus Kaposi's sarcoma-associated herpesvirus (KSHV). Previous studies indicated that cleavage of messenger...

journal_title：PLoS pathogens

authors： Gaglia MM,Rycroft CH,Glaunsinger BA

更新日期：2015-12-08 00:00:00

abstract：:Mycobacterium tuberculosis (Mtb) requires the ESX1 specialized protein secretion system for virulence, for triggering cytosolic immune surveillance pathways, and for priming an optimal CD8+ T cell response. This suggests that ESX1 might act primarily by destabilizing the phagosomal membrane that surrounds the bacteriu...

journal_title：PLoS pathogens

authors： Garces A,Atmakuri K,Chase MR,Woodworth JS,Krastins B,Rothchild AC,Ramsdell TL,Lopez MF,Behar SM,Sarracino DA,Fortune SM

更新日期：2010-06-24 00:00:00

abstract：:Gene expression of DNA viruses requires nuclear import of the viral genome. Human Adenoviruses (Ads), like most DNA viruses, encode factors within early transcription units promoting their own gene expression and counteracting cellular antiviral defense mechanisms. The cellular transcriptional repressor Daxx prevents ...

journal_title：PLoS pathogens

authors： Schreiner S,Martinez R,Groitl P,Rayne F,Vaillant R,Wimmer P,Bossis G,Sternsdorf T,Marcinowski L,Ruzsics Z,Dobner T,Wodrich H

更新日期：2012-02-01 00:00:00

abstract：:Staphylococcus aureus is a major human pathogen causing a wide spectrum of nosocomial and community-associated infections with high morbidity and mortality. S. aureus generates a large number of virulence factors whose timing and expression levels are precisely tuned by regulatory proteins and RNAs. The aptitude of ba...

journal_title：PLoS pathogens

authors： Felden B,Vandenesch F,Bouloc P,Romby P

更新日期：2011-03-01 00:00:00

abstract：:Plants and animals mediate early steps of the innate immune response through pathogen recognition receptors (PRRs). PRRs commonly associate with or contain members of a monophyletic group of kinases called the interleukin-1 receptor-associated kinase (IRAK) family that include Drosophila Pelle, human IRAKs, rice XA21 ...

journal_title：PLoS pathogens

authors： Dardick C,Ronald P

更新日期：2006-01-01 00:00:00

abstract：:Intracellular pathogens have evolved diverse strategies to invade and survive within host cells. Among the most studied facultative intracellular pathogens, Listeria monocytogenes is known to express two invasins-InlA and InlB-that induce bacterial internalization into nonphagocytic cells. The pore-forming toxin liste...

journal_title：PLoS pathogens

authors： Vadia S,Arnett E,Haghighat AC,Wilson-Kubalek EM,Tweten RK,Seveau S

更新日期：2011-11-01 00:00:00

abstract：:Virus-like particles (VLPs) have not been observed in Caenorhabditis germ cells, although nematode genomes contain low numbers of retrotransposon and retroviral sequences. We used electron microscopy to search for VLPs in various wild strains of Caenorhabditis, and observed very rare candidate VLPs in some strains, in...

journal_title：PLoS pathogens

authors： Dennis S,Sheth U,Feldman JL,English KA,Priess JR

更新日期：2012-01-01 00:00:00

abstract：:Host genetic variations play an important role in several pathogenic diseases, and we have previously provided strong evidences that these genetic variations contribute significantly to differences in susceptibility and clinical outcomes of invasive Group A Streptococcus (GAS) infections, including sepsis and necrotiz...

journal_title：PLoS pathogens

authors： Chella Krishnan K,Mukundan S,Alagarsamy J,Hur J,Nookala S,Siemens N,Svensson M,Hyldegaard O,Norrby-Teglund A,Kotb M

更新日期：2016-07-11 00:00:00

abstract：:The ubiquitin-like modifier ISG15 is one of the most predominant proteins induced by type I interferons (IFN). In this study, murine embryo fibroblast (MEFs) and mice lacking the gene were used to demonstrate a novel role of ISG15 as a host defense molecule against vaccinia virus (VACV) infection. In MEFs, the growth ...

journal_title：PLoS pathogens

authors： Guerra S,Cáceres A,Knobeloch KP,Horak I,Esteban M

更新日期：2008-07-04 00:00:00

abstract：:Klebsiella pneumoniae is a significant human pathogen, in part due to high rates of multidrug resistance. RamA is an intrinsic regulator in K. pneumoniae established to be important for the bacterial response to antimicrobial challenge; however, little is known about its possible wider regulatory role in this organism...

journal_title：PLoS pathogens

authors： De Majumdar S,Yu J,Fookes M,McAteer SP,Llobet E,Finn S,Spence S,Monahan A,Monaghan A,Kissenpfennig A,Ingram RJ,Bengoechea J,Gally DL,Fanning S,Elborn JS,Schneiders T

更新日期：2015-01-29 00:00:00

abstract：:Human Papillomavirus (HPV) 16 E7 protein promotes the transformation of HPV infected epithelium to malignancy. Here, we use a murine model in which the E7 protein of HPV16 is expressed as a transgene in epithelium to show that mast cells are recruited to the basal layer of E7-expressing epithelium, and that this recru...

journal_title：PLoS pathogens

authors： Bergot AS,Ford N,Leggatt GR,Wells JW,Frazer IH,Grimbaldeston MA

更新日期：2014-10-23 00:00:00

abstract：:In an effort to suppress microbial outgrowth, the host sequesters essential nutrients in a process termed nutritional immunity. However, inflammatory responses to bacterial insult can restore nutritional resources. Given that nutrient availability modulates virulence factor production and biofilm formation by other ba...

journal_title：PLoS pathogens

authors： Szelestey BR,Heimlich DR,Raffel FK,Justice SS,Mason KM

更新日期：2013-01-01 00:00:00

abstract：:Inflammation is critical for controlling pathogens, but also responsible for symptoms of infectious diseases. IL-27 is an important regulator of inflammation and can limit development of IFNγ-producing Tbet+ CD4+ T (Th1) cells. IL-27 is thought to do this by stimulating IL-10 production by CD4+ T cells, but the underl...

journal_title：PLoS pathogens

authors： Montes de Oca M,de Labastida Rivera F,Winterford C,Frame TCM,Ng SS,Amante FH,Edwards CL,Bukali L,Wang Y,Uzonna JE,Kuns RD,Zhang P,Kabat A,Klein Geltink RI,Pearce EJ,Hill GR,Engwerda CR

更新日期：2020-10-13 00:00:00

abstract：:The role of CD8 T cells in anti-tuberculosis immunity in humans remains unknown, and studies of CD8 T cell-mediated protection against tuberculosis in mice have yielded controversial results. Unlike mice, humans and nonhuman primates share a number of important features of the immune system that relate directly to the...

journal_title：PLoS pathogens

authors： Chen CY,Huang D,Wang RC,Shen L,Zeng G,Yao S,Shen Y,Halliday L,Fortman J,McAllister M,Estep J,Hunt R,Vasconcelos D,Du G,Porcelli SA,Larsen MH,Jacobs WR Jr,Haynes BF,Letvin NL,Chen ZW

更新日期：2009-04-01 00:00:00

abstract：:Covalent linkage to members of the small ubiquitin-like (SUMO) family of proteins is an important mechanism by which the functions of many cellular proteins are regulated. Sumoylation has roles in the control of protein stability, activity and localization, and is involved in the regulation of transcription, gene expr...

journal_title：PLoS pathogens

authors： Sloan E,Tatham MH,Groslambert M,Glass M,Orr A,Hay RT,Everett RD

更新日期：2015-07-22 00:00:00

abstract：:The DNA deaminase APOBEC3G converts cytosines to uracils in retroviral cDNA, which are immortalized as genomic strand G-to-A hypermutations by reverse transcription. A single round of APOBEC3G-dependent mutagenesis can be catastrophic, but evidence suggests that sublethal levels contribute to viral genetic diversity a...

journal_title：PLoS pathogens

authors： Refsland EW,Hultquist JF,Harris RS

更新日期：2012-01-01 00:00:00

abstract：:The kinetoplast (k), the uniquely packaged mitochondrial DNA of trypanosomatid protists is formed by a catenated network of minicircles and maxicircles that divide and segregate once each cell cycle. Although many proteins involved in kDNA replication and segregation are now known, several key steps in the replication...

journal_title：PLoS pathogens

authors： Peña-Diaz P,Vancová M,Resl C,Field MC,Lukeš J

更新日期：2017-04-07 00:00:00

abstract：:The innate immune system is the first line of host defense against invading organisms. Thus, pathogens have developed virulence mechanisms to evade the innate immune system. Here, we report a novel means for inhibition of neutrophil recruitment by Group A Streptococcus (GAS). Deletion of the secreted esterase gene (de...

journal_title：PLoS pathogens

authors： Liu M,Zhu H,Li J,Garcia CC,Feng W,Kirpotina LN,Hilmer J,Tavares LP,Layton AW,Quinn MT,Bothner B,Teixeira MM,Lei B

更新日期：2012-01-01 00:00:00

abstract：:RsaE is a conserved small regulatory RNA (sRNA) which was previously reported to represent a riboregulator of central carbon flow and other metabolic pathways in Staphylococcus aureus and Bacillus subtilis. Here we show that RsaE contributes to extracellular (e)DNA release and biofilm-matrix switching towards polysacc...

journal_title：PLoS pathogens

authors： Schoenfelder SMK,Lange C,Prakash SA,Marincola G,Lerch MF,Wencker FDR,Förstner KU,Sharma CM,Ziebuhr W

更新日期：2019-03-14 00:00:00

abstract：:The virions of enteroviruses such as poliovirus undergo a global conformational change after binding to the cellular receptor, characterized by a 4% expansion, and by the opening of holes at the two and quasi-three-fold symmetry axes of the capsid. The resultant particle is called a 135S particle or A-particle and is ...

journal_title：PLoS pathogens

authors： Shah PNM,Filman DJ,Karunatilaka KS,Hesketh EL,Groppelli E,Strauss M,Hogle JM

更新日期：2020-09-30 00:00:00

abstract：:Adjunctive vitamin D treatment for pulmonary tuberculosis enhances resolution of inflammation but has modest effects on bacterial clearance. Sodium 4-phenylbutyrate (PBA) is in clinical use for a range of conditions and has been shown to synergise with vitamin D metabolites to upregulate cathelicidin antimicrobial pep...

journal_title：PLoS pathogens

authors： Coussens AK,Wilkinson RJ,Martineau AR

更新日期：2015-07-02 00:00:00