Reductive evolution of the mitochondrial processing peptidases of the unicellular parasites trichomonas vaginalis and giardia intestinalis.

abstract：:HIV infection induces phenotypic and functional changes to CD8+ T cells defined by the coordinated upregulation of a series of negative checkpoint receptors that eventually result in T cell exhaustion and failure to control viral replication. We report that effector CD8+ T cells during HIV infection in blood and SIV i...

journal_title：PLoS pathogens

authors： Chew GM,Fujita T,Webb GM,Burwitz BJ,Wu HL,Reed JS,Hammond KB,Clayton KL,Ishii N,Abdel-Mohsen M,Liegler T,Mitchell BI,Hecht FM,Ostrowski M,Shikuma CM,Hansen SG,Maurer M,Korman AJ,Deeks SG,Sacha JB,Ndhlovu LC

更新日期：2016-01-07 00:00:00

abstract：:Lymph nodes (LN) and their resident T follicular helper CD4+ T cells (Tfh) are a critical site for HIV replication and persistence. Therefore, optimizing antiviral activity in lymphoid tissues will be needed to reduce or eliminate the HIV reservoir. In this study, we retained effector immune cells in LN of cART-suppre...

journal_title：PLoS pathogens

authors： Pino M,Paganini S,Deleage C,Padhan K,Harper JL,King CT,Micci L,Cervasi B,Mudd JC,Gill KP,Jean SM,Easley K,Silvestri G,Estes JD,Petrovas C,Lederman MM,Paiardini M

更新日期：2019-10-18 00:00:00

abstract：:The NLRP3 inflammasome has emerged as a central immune regulator that senses virulence factors expressed by microbial pathogens for triggering inflammation. Inflammation can be harmful and therefore this response must be tightly controlled. The mechanisms by which immune cells, such as macrophages, discriminate benign...

journal_title：PLoS pathogens

authors： Tucey TM,Verma J,Olivier FAB,Lo TL,Robertson AAB,Naderer T,Traven A

更新日期：2020-08-04 00:00:00

abstract：:Highly pathogenic avian influenza A viruses (HPAIV) of the H5N1 subtype occasionally transmit from birds to humans and can cause severe systemic infections in both hosts. PB1-F2 is an alternative translation product of the viral PB1 segment that was initially characterized as a pro-apoptotic mitochondrial viral pathog...

journal_title：PLoS pathogens

authors： Schmolke M,Manicassamy B,Pena L,Sutton T,Hai R,Varga ZT,Hale BG,Steel J,Pérez DR,García-Sastre A

更新日期：2011-08-01 00:00:00

abstract：:The process by which drug-resistant HIV-1 arises and spreads spatially within an infected individual is poorly understood. Studies have found variable results relating how HIV-1 in the blood differs from virus sampled in tissues, offering conflicting findings about whether HIV-1 throughout the body is homogeneously di...

journal_title：PLoS pathogens

authors： Feder AF,Kline C,Polacino P,Cottrell M,Kashuba ADM,Keele BF,Hu SL,Petrov DA,Pennings PS,Ambrose Z

更新日期：2017-05-25 00:00:00

abstract：:The diversity of a highly variable RNA plant virus was considered to determine the range of virulence substitutions, the evolutionary pathways to virulence, and whether intraspecific diversity modulates virulence pathways and propensity. In all, 114 isolates representative of the genetic and geographic diversity of Ri...

journal_title：PLoS pathogens

authors： Pinel-Galzi A,Rakotomalala M,Sangu E,Sorho F,Kanyeka Z,Traoré O,Sérémé D,Poulicard N,Rabenantoandro Y,Séré Y,Konaté G,Ghesquière A,Hébrard E,Fargette D

更新日期：2007-11-01 00:00:00

abstract：:Herpesviruses infect most humans. Their infections can be associated with pathological conditions and significant changes in T cell repertoire but evidences of symbiotic effects of herpesvirus latency have never been demonstrated. We tested the hypothesis that HCMV and EBV-specific CD8 T cells contribute to the hetero...

journal_title：PLoS pathogens

authors： Sandalova E,Laccabue D,Boni C,Tan AT,Fink K,Ooi EE,Chua R,Shafaeddin Schreve B,Ferrari C,Bertoletti A

更新日期：2010-08-19 00:00:00

abstract：:RNA helicases and chaperones are the two major classes of RNA remodeling proteins, which function to remodel RNA structures and/or RNA-protein interactions, and are required for all aspects of RNA metabolism. Although some virus-encoded RNA helicases/chaperones have been predicted or identified, their RNA remodeling a...

journal_title：PLoS pathogens

authors： Xia H,Wang P,Wang GC,Yang J,Sun X,Wu W,Qiu Y,Shu T,Zhao X,Yin L,Qin CF,Hu Y,Zhou X

更新日期：2015-07-28 00:00:00

abstract：:HIV-1 infection of macrophages plays a key role in viral pathogenesis and progression to AIDS. Polyinosine-polycytidylic acid (poly(I:C); a synthetic analog of dsRNA) and bacterial lipopolysaccharide (LPS), the ligands for Toll-like receptors (TLR) TLR3 and TLR4, respectively, are known to decrease HIV-1 infection in ...

journal_title：PLoS pathogens

authors： Swaminathan G,Rossi F,Sierra LJ,Gupta A,Navas-Martín S,Martín-García J

更新日期：2012-09-01 00:00:00

abstract：:Since the advent of genome-wide small interfering RNA screening, large numbers of cellular cofactors important for viral infection have been discovered at a rapid pace, but the viral targets and the mechanism of action for many of these cofactors remain undefined. One such cofactor is cyclophilin A (CyPA), upon which ...

journal_title：PLoS pathogens

authors： Yang F,Robotham JM,Grise H,Frausto S,Madan V,Zayas M,Bartenschlager R,Robinson M,Greenstein AE,Nag A,Logan TM,Bienkiewicz E,Tang H

更新日期：2010-09-23 00:00:00

abstract：:Insect immune systems can recognize specific pathogens and prime offspring immunity. High specificity of immune priming can be achieved when insect females transfer immune elicitors into developing oocytes. The molecular mechanism behind this transfer has been a mystery. Here, we establish that the egg-yolk protein vi...

journal_title：PLoS pathogens

authors： Salmela H,Amdam GV,Freitak D

更新日期：2015-07-31 00:00:00

abstract：:Chronic immune activation and progression to AIDS are observed after SIV infection in macaques but not in natural host primate species. To better understand this dichotomy, we compared acute pathogenic SIV infection in pigtailed macaques (PTs) to non-pathogenic infection in African green monkeys (AGMs). SIVagm-infecte...

journal_title：PLoS pathogens

authors： Favre D,Lederer S,Kanwar B,Ma ZM,Proll S,Kasakow Z,Mold J,Swainson L,Barbour JD,Baskin CR,Palermo R,Pandrea I,Miller CJ,Katze MG,McCune JM

更新日期：2009-02-01 00:00:00

abstract：:Critical aspects of HIV-1 infection occur in mucosal tissues, particularly in the gut, which contains large numbers of HIV-1 target cells that are depleted early in infection. We used electron tomography (ET) to image HIV-1 in gut-associated lymphoid tissue (GALT) of HIV-1-infected humanized mice, the first three-dime...

journal_title：PLoS pathogens

authors： Ladinsky MS,Kieffer C,Olson G,Deruaz M,Vrbanac V,Tager AM,Kwon DS,Bjorkman PJ

更新日期：2014-01-30 00:00:00

abstract：:The type III secretion system is an essential component for virulence in many Gram-negative bacteria. Though components of the secretion system apparatus are conserved, its substrates--effector proteins--are not. We have used a novel computational approach to confidently identify new secreted effectors by integrating ...

journal_title：PLoS pathogens

authors： Samudrala R,Heffron F,McDermott JE

更新日期：2009-04-01 00:00:00

abstract：:Crohn's disease (CD) is a chronic inflammatory condition of diverse etiology. Exposure to foodborne pathogens causing acute gastroenteritis produces a long-term risk of CD well into the post-infectious period but the mechanistic basis for this ongoing relationship to disease onset is unknown. We developed two novel mo...

journal_title：PLoS pathogens

authors： Small CL,Xing L,McPhee JB,Law HT,Coombes BK

更新日期：2016-10-06 00:00:00

abstract：:PML (Promyelocytic Leukemia protein), also known as TRIM19, belongs to the family of tripartite motif (TRIM) proteins. PML is mainly expressed in the nucleus, where it forms dynamic structures known as PML nuclear bodies that recruit many other proteins, such as Sp100 and Daxx. While the role of PML/TRIM19 in antivira...

journal_title：PLoS pathogens

authors： Dutrieux J,Maarifi G,Portilho DM,Arhel NJ,Chelbi-Alix MK,Nisole S

更新日期：2015-11-13 00:00:00

abstract：:Remodelling of the actin cytoskeleton in response to external stimuli is obligatory for many cellular processes in the amoebic cell. A rapid and local rearrangement of the actin cytoskeleton is required for the development of the cellular protrusions during phagocytosis, trogocytosis, migration, and invasion. Here, we...

journal_title：PLoS pathogens

authors： Tripathi A,Jain M,Chandra M,Parveen S,Yadav R,Collins BM,Maiti S,Datta S

更新日期：2020-05-04 00:00:00

abstract：:Trichodysplasia spinulosa-associated Polyomavirus (TSPyV) was isolated from a patient suffering from trichodysplasia spinulosa, a skin disease that can appear in severely immunocompromised patients. While TSPyV is one of the five members of the polyomavirus family that are directly linked to a human disease, details a...

journal_title：PLoS pathogens

authors： Ströh LJ,Gee GV,Blaum BS,Dugan AS,Feltkamp MC,Atwood WJ,Stehle T

更新日期：2015-08-24 00:00:00

abstract：:The nervous and immune systems influence each other, allowing animals to rapidly protect themselves from changes in their internal and external environment. However, the complex nature of these systems in mammals makes it difficult to determine how neuronal signaling influences the immune response. Here we show that s...

journal_title：PLoS pathogens

authors： Anderson A,Laurenson-Schafer H,Partridge FA,Hodgkin J,McMullan R

更新日期：2013-01-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC), particularly serotype O157:H7, causes hemorrhagic colitis, hemolytic uremic syndrome, and even death. In vitro studies showed that Shiga toxin 2 (Stx2), the primary virulence factor expressed by EDL933 (an O157:H7 strain), is encoded by the 933W prophage. And the bacterial su...

journal_title：PLoS pathogens

authors： Tyler JS,Beeri K,Reynolds JL,Alteri CJ,Skinner KG,Friedman JH,Eaton KA,Friedman DI

更新日期：2013-03-01 00:00:00

abstract：:Giardia intestinalis is a major cause of diarrheal disease worldwide and two major Giardia genotypes, assemblages A and B, infect humans. The genome of assemblage A parasite WB was recently sequenced, and the structurally compact 11.7 Mbp genome contains simplified basic cellular machineries and metabolism. We here pe...

journal_title：PLoS pathogens

authors： Franzén O,Jerlström-Hultqvist J,Castro E,Sherwood E,Ankarklev J,Reiner DS,Palm D,Andersson JO,Andersson B,Svärd SG

更新日期：2009-08-01 00:00:00

abstract：:Plasmodium vivax can cause severe malaria, however its pathogenesis is poorly understood. In contrast to P. falciparum, circulating vivax parasitemia is low, with minimal apparent sequestration in endothelium-lined microvasculature, and pathogenesis thought unrelated to parasite biomass. However, the relationships bet...

journal_title：PLoS pathogens

authors： Barber BE,William T,Grigg MJ,Parameswaran U,Piera KA,Price RN,Yeo TW,Anstey NM

更新日期：2015-01-08 00:00:00

abstract：:Paramyxoviruses are known to replicate in the cytoplasm and bud from the plasma membrane. Matrix is the major structural protein in paramyxoviruses that mediates viral assembly and budding. Curiously, the matrix proteins of a few paramyxoviruses have been found in the nucleus, although the biological function associat...

journal_title：PLoS pathogens

authors： Wang YE,Park A,Lake M,Pentecost M,Torres B,Yun TE,Wolf MC,Holbrook MR,Freiberg AN,Lee B

更新日期：2010-11-11 00:00:00

abstract：:Modified vaccinia virus Ankara (MVA) is an approved smallpox vaccine and a promising vaccine vector for other pathogens as well as for cancer therapeutics with more than 200 current or completed clinical trials. MVA was derived by passaging the parental Ankara vaccine virus hundreds of times in chick embryo fibroblast...

journal_title：PLoS pathogens

authors： Peng C,Wyatt LS,Glushakow-Smith SG,Lal-Nag M,Weisberg AS,Moss B

更新日期：2020-08-31 00:00:00

abstract：:The intrinsic oncotropism and oncosuppressive activities of rodent protoparvoviruses (PVs) are opening new prospects for cancer virotherapy. Virus propagation, cytolytic activity, and spread are tightly connected to activation of the PDK1 signaling cascade, which delays stress-induced cell death and sustains functioni...

journal_title：PLoS pathogens

authors： Bär S,Rommelaere J,Nüesch JP

更新日期：2015-03-05 00:00:00

abstract：:Mycobacterium abscessus is considered the most common respiratory pathogen among the rapidly growing non-tuberculous mycobacteria. Infections with M. abscessus are increasingly found in patients with chronic lung diseases, especially cystic fibrosis, and are often refractory to antibiotic therapy. M. abscessus has two...

journal_title：PLoS pathogens

authors： Bernut A,Nguyen-Chi M,Halloum I,Herrmann JL,Lutfalla G,Kremer L

更新日期：2016-11-02 00:00:00

abstract：:Many biological processes are controlled by intricate networks of transcriptional regulators. With the development of microarray technology, transcriptional changes can be examined at the whole-genome level. However, such analysis often lacks information on the hierarchical relationship between components of a given s...

journal_title：PLoS pathogens

authors： Wang D,Amornsiripanitch N,Dong X

更新日期：2006-11-01 00:00:00

abstract：:Streptococcus gallolyticus subspecies gallolyticus (Sgg) has a strong clinical association with colorectal cancer (CRC) and actively promotes the development of colon tumors. However, the molecular determinants involved in Sgg pathogenicity in the gut are unknown. Bacterial type VII secretion systems (T7SS) mediate pa...

journal_title：PLoS pathogens

authors： Taylor JC,Gao X,Xu J,Holder M,Petrosino J,Kumar R,Liu W,Höök M,Mackenzie C,Hillhouse A,Brashear W,Nunez MP,Xu Y

更新日期：2021-01-06 00:00:00

abstract：:The sedentary plant-parasitic nematodes are considered among the most economically damaging pathogens of plants. Following infection and the establishment of a feeding site, sedentary nematodes become immobile. Loss of mobility is reversed in adult males while females never regain mobility. The structural basis for th...

journal_title：PLoS pathogens

authors： Han Z,Thapa S,Reuter-Carlson U,Reed H,Gates M,Lambert KN,Schroeder NE

更新日期：2018-08-16 00:00:00

abstract：:Unlike the pandemic form of HIV-1 (group M), group O viruses are endemic in west central Africa, especially in Cameroon. However, little is known about group O's genetic evolution, and why this highly divergent lineage has not become pandemic. Using a unique and large set of group O sequences from samples collected fr...

journal_title：PLoS pathogens

authors： Leoz M,Feyertag F,Kfutwah A,Mauclère P,Lachenal G,Damond F,De Oliveira F,Lemée V,Simon F,Robertson DL,Plantier JC

更新日期：2015-08-04 00:00:00