Convergent use of RhoGAP toxins by eukaryotic parasites and bacterial pathogens.

abstract：:Our skin is our first line of defense against environmental and pathogenic challenges. It is densely populated by a flora of bacteria, fungi, and viruses that normally interact with each other and with our immune system to promote skin health and homeostasis. Staphylococcus epidermidis is one of the most abundant bact...

journal_title：PLoS pathogens

authors： Brown MM,Horswill AR

更新日期：2020-11-12 00:00:00

abstract：:Dengue virus (DENV) is an enveloped RNA virus that causes the most common arthropod-borne infection worldwide. The mechanism by which DENV infects the host cell remains unclear. In this work, we used live-cell imaging and single-virus tracking to investigate the cell entry, endocytic trafficking, and fusion behavior o...

journal_title：PLoS pathogens

authors： van der Schaar HM,Rust MJ,Chen C,van der Ende-Metselaar H,Wilschut J,Zhuang X,Smit JM

更新日期：2008-12-01 00:00:00

abstract：:TIA-1 positive stress granules (SG) represent the storage sites of stalled mRNAs and are often associated with the cellular antiviral response. In this report, we provide evidence that Kaposi's sarcoma-associated herpesvirus (KSHV) overcomes the host antiviral response by inhibition of SG formation via a viral lytic p...

journal_title：PLoS pathogens

authors： Sharma NR,Majerciak V,Kruhlak MJ,Zheng ZM

更新日期：2017-10-30 00:00:00

abstract：:Protein C inhibitor (PCI) is a heparin-binding serine proteinase inhibitor belonging to the family of serpin proteins. Here we describe that PCI exerts broad antimicrobial activity against bacterial pathogens. This ability is mediated by the interaction of PCI with lipid membranes, which subsequently leads to their pe...

journal_title：PLoS pathogens

authors： Malmström E,Mörgelin M,Malmsten M,Johansson L,Norrby-Teglund A,Shannon O,Schmidtchen A,Meijers JC,Herwald H

更新日期：2009-12-01 00:00:00

abstract：:HIV-1 strains harboring immune escape mutations can persist in circulation, but the impact of selection by multiple HLA alleles on population HIV-1 dynamics remains unclear. In Japan, HIV-1 Reverse Transcriptase codon 135 (RT135) is under strong immune pressure by HLA-B*51:01-restricted and HLA-B*52:01-restricted T ce...

journal_title：PLoS pathogens

authors： Akahoshi T,Gatanaga H,Kuse N,Chikata T,Koyanagi M,Ishizuka N,Brumme CJ,Murakoshi H,Brumme ZL,Oka S,Takiguchi M

更新日期：2020-12-28 00:00:00

abstract：:CD8+ T cell responses to Epstein-Barr virus (EBV) lytic cycle expressed antigens display a hierarchy of immunodominance, in which responses to epitopes of immediate-early (IE) and some early (E) antigens are more frequently observed than responses to epitopes of late (L) expressed antigens. It has been proposed that t...

journal_title：PLoS pathogens

authors： Quinn LL,Zuo J,Abbott RJ,Shannon-Lowe C,Tierney RJ,Hislop AD,Rowe M

更新日期：2014-08-21 00:00:00

abstract：:Open reading frame (ORF) 45 of Kaposi's sarcoma-associated herpesvirus (KSHV) is a tegument protein. A genetic analysis with a null mutant suggested a possible role for this protein in the events leading to viral egress. In this study, ORF45 was found to interact with KIF3A, a kinesin-2 motor protein that transports c...

journal_title：PLoS pathogens

authors： Sathish N,Zhu FX,Yuan Y

更新日期：2009-03-01 00:00:00

abstract：:Surface recognition and penetration are critical steps in the infection cycle of many plant pathogenic fungi. In Magnaporthe oryzae, cAMP signaling is involved in surface recognition and pathogenesis. Deletion of the MAC1 adenylate cyclase gene affected appressorium formation and plant infection. In this study, we use...

journal_title：PLoS pathogens

authors： Zhou X,Zhang H,Li G,Shaw B,Xu JR

更新日期：2012-09-01 00:00:00

abstract：:Hendra and Nipah viruses (family Paramyxoviridae, genus Henipavirus) are bat-borne viruses that cause fatal disease in humans and a range of other mammalian species. Gaining a deeper understanding of host pathways exploited by henipaviruses for infection may identify targets for new anti-viral therapies. Here we have ...

journal_title：PLoS pathogens

authors： Foo CH,Rootes CL,Cowley K,Marsh GA,Gould CM,Deffrasnes C,Cowled CJ,Klein R,Riddell SJ,Middleton D,Simpson KJ,Wang LF,Bean AG,Stewart CR

更新日期：2016-10-26 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：:Hepatitis C virus (HCV) induces interferon (IFN) stimulated genes in the liver despite of distinct innate immune evasion mechanisms, suggesting that beyond HCV infected cells other cell types contribute to innate immune activation. Upon coculture with HCV replicating cells, human CD141+ myeloid dendritic cells (DC) pr...

journal_title：PLoS pathogens

authors： Pfaender S,Grabski E,Detje CN,Riebesehl N,Lienenklaus S,Steinmann E,Kalinke U,Pietschmann T

更新日期：2016-07-06 00:00:00

abstract：:Whereas the majority of pathogenic Salmonella serovars are capable of infecting many different animal species, typically producing a self-limited gastroenteritis, serovars with narrow host-specificity exhibit increased virulence and their infections frequently result in fatal systemic diseases. In our study, a genetic...

journal_title：PLoS pathogens

authors： Kisiela DI,Chattopadhyay S,Libby SJ,Karlinsey JE,Fang FC,Tchesnokova V,Kramer JJ,Beskhlebnaya V,Samadpour M,Grzymajlo K,Ugorski M,Lankau EW,Mackie RI,Clegg S,Sokurenko EV

更新日期：2012-01-01 00:00:00

abstract：:The AraC Negative Regulators (ANR) comprise a large family of virulence regulators distributed among diverse clinically important Gram-negative pathogens, including Vibrio spp., Salmonella spp., Shigella spp., Yersinia spp., Citrobacter spp., and pathogenic E. coli strains. We have previously reported broad effects of...

journal_title：PLoS pathogens

authors： Santiago AE,Yan MB,Hazen TH,Sauder B,Meza-Segura M,Rasko DA,Kendall MM,Ruiz-Perez F,Nataro JP

更新日期：2017-08-14 00:00:00

abstract：:Most fungal pathogens of humans display robust protective oxidative stress responses that contribute to their pathogenicity. The induction of enzymes that detoxify reactive oxygen species (ROS) is an essential component of these responses. We showed previously that ectopic expression of the heme-containing catalase en...

journal_title：PLoS pathogens

authors： Pradhan A,Herrero-de-Dios C,Belmonte R,Budge S,Lopez Garcia A,Kolmogorova A,Lee KK,Martin BD,Ribeiro A,Bebes A,Yuecel R,Gow NAR,Munro CA,MacCallum DM,Quinn J,Brown AJP

更新日期：2017-05-22 00:00:00

abstract：:Human defensins are at the forefront of the host responses to HIV and other pathogens in mucosal tissues. However, their ability to inactivate HIV in the bloodstream has been questioned due to the antagonistic effect of serum. In this study, we have examined the effect of sub-inhibitory concentrations of human α-defen...

journal_title：PLoS pathogens

authors： Demirkhanyan L,Marin M,Lu W,Melikyan GB

更新日期：2013-01-01 00:00:00

abstract：:Innate immune cells shape the host response to microbial pathogens. Here we elucidate critical differences in the molecular response of macrophages vs. dendritic cells (DCs) to Histoplasma capsulatum, an intracellular fungal pathogen of humans. It has long been known that macrophages are permissive for Histoplasma gro...

journal_title：PLoS pathogens

authors： Van Prooyen N,Henderson CA,Hocking Murray D,Sil A

更新日期：2016-07-26 00:00:00

abstract：:The Ras-GAP SH3 domain-binding proteins (G3BP) are essential regulators of the formation of stress granules (SG), cytosolic aggregates of proteins and RNA that are induced upon cellular stress, such as virus infection. Many viruses, including Semliki Forest virus (SFV), block SG induction by targeting G3BP. In this wo...

journal_title：PLoS pathogens

authors： Panas MD,Schulte T,Thaa B,Sandalova T,Kedersha N,Achour A,McInerney GM

更新日期：2015-02-06 00:00:00

abstract：:The ability of DENV2 to display different morphologies (hence different antigenic properties) complicates vaccine and therapeutics development. Previous studies showed most strains of laboratory adapted DENV2 particles changed from smooth to "bumpy" surfaced morphology when the temperature is switched from 29°C at 37°...

journal_title：PLoS pathogens

authors： Lim XN,Shan C,Marzinek JK,Dong H,Ng TS,Ooi JSG,Fibriansah G,Wang J,Verma CS,Bond PJ,Shi PY,Lok SM

更新日期：2019-09-19 00:00:00

abstract：:Members of the major candidate phylum Dependentiae (a.k.a. TM6) are widespread across diverse environments from showerheads to peat bogs; yet, with the exception of two isolates infecting amoebae, they are only known from metagenomic data. The limited knowledge of their biology indicates that they have a long evolutio...

journal_title：PLoS pathogens

authors： Deeg CM,Zimmer MM,George EE,Husnik F,Keeling PJ,Suttle CA

更新日期：2019-05-31 00:00:00

abstract：:Ebola virus (EBOV) is a highly pathogenic filovirus that causes hemorrhagic fever in humans and animals. Currently, how EBOV fuses its envelope membrane within an endosomal membrane to cause infection is poorly understood. We successfully measure cell-cell fusion mediated by the EBOV fusion protein, GP, assayed by the...

journal_title：PLoS pathogens

authors： Markosyan RM,Miao C,Zheng YM,Melikyan GB,Liu SL,Cohen FS

更新日期：2016-01-05 00:00:00

abstract：:The life long relationship between herpes simplex virus and its host hinges on the ability of the virus to aggressively replicate in epithelial cells at the site of infection and transport into the nervous system through axons innervating the infection site. Interaction between the virus and the sensory neuron represe...

journal_title：PLoS pathogens

authors： Sawtell NM,Thompson RL

更新日期：2016-09-08 00:00:00

abstract：:Many Gram-negative bacteria use Type Three Secretion Systems (T3SS) to deliver effector proteins into host cells. These protein delivery machines are composed of cytosolic components that recognize substrates and generate the force needed for translocation, the secretion conduit, formed by a needle complex and associa...

journal_title：PLoS pathogens

authors： Archuleta TL,Spiller BW

更新日期：2014-11-06 00:00:00

abstract：:Unique purine-rich mRNA sequences embedded in the coding sequences of a distinct group of gammaherpesvirus maintenance proteins underlie the ability of the latently infected cell to minimize immune recognition. The Epstein-Barr virus nuclear antigen, EBNA1, a well characterized lymphocryptovirus maintenance protein ha...

journal_title：PLoS pathogens

authors： Tellam JT,Lekieffre L,Zhong J,Lynn DJ,Khanna R

更新日期：2012-12-01 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 studies reported herein are the first to document the effect of the in vivo administration of a JAK3 inhibitor for defining the potential role of NK cells during acute SIV infection of a group of 15 rhesus macaques (RM). An additional group of 16 MHC/KIR typed RM was included as controls. The previously optimized ...

journal_title：PLoS pathogens

authors： Takahashi Y,Byrareddy SN,Albrecht C,Brameier M,Walter L,Mayne AE,Dunbar P,Russo R,Little DM,Villinger T,Khowawisetsut L,Pattanapanyasat K,Villinger F,Ansari AA

更新日期：2014-03-06 00:00:00

abstract：:Borrelia burgdorferi, the agent of Lyme disease, has cholesterol and cholesterol-glycolipids that are essential for bacterial fitness, are antigenic, and could be important in mediating interactions with cells of the eukaryotic host. We show that the spirochetes can acquire cholesterol from plasma membranes of epithel...

journal_title：PLoS pathogens

authors： Crowley JT,Toledo AM,LaRocca TJ,Coleman JL,London E,Benach JL

更新日期：2013-01-01 00:00:00

abstract：:Herpes simplex virus (HSV)--and herpesviruses in general--encode for a multipartite entry/fusion apparatus. In HSV it consists of the HSV-specific glycoprotein D (gD), and three additional glycoproteins, gH/gL and gB, conserved across the Herpesviridae family and responsible for the execution of fusion. According to t...

journal_title：PLoS pathogens

authors： Gianni T,Salvioli S,Chesnokova LS,Hutt-Fletcher LM,Campadelli-Fiume G

更新日期：2013-01-01 00:00:00

abstract：:The retinoic acid-inducible gene-I (RIG-I)-like receptors (RLRs), including RIG-I and melanoma differentiation-associated gene 5 (MDA5), sense cytoplasmic viral RNA and initiate innate antiviral responses. How RIG-I and MDA5 are differentially regulated remains enigmatic. In this study, we identified the guanylate-bin...

journal_title：PLoS pathogens

authors： Zhong X,Feng L,Zang R,Lei CQ,Yang Q,Shu HB

更新日期：2020-04-06 00:00:00

abstract：:The bactericidal function of macrophages against pneumococci is enhanced by their apoptotic demise, which is controlled by the anti-apoptotic protein Mcl-1. Here, we show that lysosomal membrane permeabilization (LMP) and cytosolic translocation of activated cathepsin D occur prior to activation of a mitochondrial pat...

journal_title：PLoS pathogens

authors： Bewley MA,Marriott HM,Tulone C,Francis SE,Mitchell TJ,Read RC,Chain B,Kroemer G,Whyte MK,Dockrell DH

更新日期：2011-01-27 00:00:00

abstract：:In the United States, the introduction of the heptavalent pneumococcal conjugate vaccine (PCV) largely eliminated vaccine serotypes (VT); non-vaccine serotypes (NVT) subsequently increased in carriage and disease. Vaccination also disrupts the composition of the pneumococcal pangenome, which includes mobile genetic el...

journal_title：PLoS pathogens

authors： Azarian T,Grant LR,Arnold BJ,Hammitt LL,Reid R,Santosham M,Weatherholtz R,Goklish N,Thompson CM,Bentley SD,O'Brien KL,Hanage WP,Lipsitch M

更新日期：2018-04-04 00:00:00