Francisella tularensis IglG Belongs to a Novel Family of PAAR-Like T6SS Proteins and Harbors a Unique N-terminal Extension Required for Virulence.

abstract：:Pili of pathogenic Neisseria are major virulence factors associated with adhesion, twitching motility, auto-aggregation, and DNA transformation. Pili of N. meningitidis are subject to several different post-translational modifications. Among these pilin modifications, the presence of phosphorylcholine (ChoP) and a gly...

journal_title：PLoS pathogens

authors： Jen FE,Warren MJ,Schulz BL,Power PM,Swords WE,Weiser JN,Apicella MA,Edwards JL,Jennings MP

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：:Recombination, complementation and competition profoundly influence virus evolution and epidemiology. Since viruses are intracellular parasites, the basic parameter determining the potential for such interactions is the multiplicity of cellular infection (cellular MOI), i.e. the number of viral genome units that effec...

journal_title：PLoS pathogens

authors： Gutiérrez S,Yvon M,Thébaud G,Monsion B,Michalakis Y,Blanc S

更新日期：2010-09-16 00:00:00

abstract：:Our appreciation for the extent of Epstein Barr virus (EBV) transcriptome complexity continues to grow through findings of EBV encoded microRNAs, new long non-coding RNAs as well as the more recent discovery of over a hundred new polyadenylated lytic transcripts. Here we report an additional layer to the EBV transcrip...

journal_title：PLoS pathogens

authors： Ungerleider N,Concha M,Lin Z,Roberts C,Wang X,Cao S,Baddoo M,Moss WN,Yu Y,Seddon M,Lehman T,Tibbetts S,Renne R,Dong Y,Flemington EK

更新日期：2018-08-06 00:00:00

abstract：:The role of regulatory T cells (Tregs) in vaccination has been poorly investigated. We have reported that vaccination with ex vivo-generated dendritic-cells (DC) loaded with HIV-lipopeptides (LIPO-5-DC vaccine) in HIV-infected patients was well tolerated and highly immunogenic. These responses and their relation to vi...

journal_title：PLoS pathogens

authors： Brezar V,Ruffin N,Richert L,Surenaud M,Lacabaratz C,Palucka K,Thiébaut R,Banchereau J,Levy Y,Seddiki N

更新日期：2015-03-27 00:00:00

abstract：:A global increase in invasive infections due to group A Streptococcus (S. pyogenes or GAS) has been observed since the 1980s, associated with emergence of a clonal group of strains of the M1T1 serotype. Among other virulence attributes, the M1T1 clone secretes NAD+-glycohydrolase (NADase). When GAS binds to epithelial...

journal_title：PLoS pathogens

authors： Sharma O,O'Seaghdha M,Velarde JJ,Wessels MR

更新日期：2016-03-03 00:00:00

abstract：:Recognition of peptidoglycan (PGN) is paramount for insect antibacterial defenses. In the fruit fly Drosophila melanogaster, the transmembrane PGN Recognition Protein LC (PGRP-LC) is a receptor of the Imd signaling pathway that is activated after infection with bacteria, mainly Gram-negative (Gram-). Here we demonstra...

journal_title：PLoS pathogens

authors： Meister S,Agianian B,Turlure F,Relógio A,Morlais I,Kafatos FC,Christophides GK

更新日期：2009-08-01 00:00:00

abstract：:RNA polyadenylation (pA) is one of the major steps in regulation of gene expression at the posttranscriptional level. In this report, a genome landscape of pA sites of viral transcripts in B lymphocytes with Kaposi sarcoma-associated herpesvirus (KSHV) infection was constructed using a modified PA-seq strategy. We ide...

journal_title：PLoS pathogens

authors： Majerciak V,Ni T,Yang W,Meng B,Zhu J,Zheng ZM

更新日期：2013-01-01 00:00:00

abstract：:Many viral pathogens are persistently transmitted by insect vectors and cause agricultural or health problems. Generally, an insect vector can use autophagy as an intrinsic antiviral defense mechanism against viral infection. Whether viruses can evolve to exploit autophagy to promote their transmission by insect vecto...

journal_title：PLoS pathogens

authors： Chen Y,Chen Q,Li M,Mao Q,Chen H,Wu W,Jia D,Wei T

更新日期：2017-11-10 00:00:00

abstract：:Leishmania parasites are transmitted to vertebrate hosts by female phlebotomine sand flies as they bloodfeed by lacerating the upper capillaries of the dermis with their barbed mouthparts. In the sand fly midgut secreted proteophosphoglycans from Leishmania form a biological plug known as the promastigote secretory ge...

journal_title：PLoS pathogens

authors： Giraud E,Lestinova T,Derrick T,Martin O,Dillon RJ,Volf P,Műller I,Bates PA,Rogers ME

更新日期：2018-01-19 00:00:00

abstract：:Human respiratory syncytial virus (RSV) is the leading viral cause of acute pediatric lower respiratory tract infections worldwide, with no available vaccine or effective antiviral drug. To gain insight into virus-host interactions, we performed a genome-wide siRNA screen. The expression of over 20,000 cellular genes ...

journal_title：PLoS pathogens

authors： Lingemann M,McCarty T,Liu X,Buchholz UJ,Surman S,Martin SE,Collins PL,Munir S

更新日期：2019-08-05 00:00:00

abstract：:Both iron starvation and excess are detrimental to cellular life, especially for animal and plant pathogens since they always live in iron-limited environments produced by host immune responses. However, how organisms sense and respond to iron is incompletely understood. Herein, we reveal that in the phytopathogenic b...

journal_title：PLoS pathogens

authors： Wang L,Pan Y,Yuan ZH,Zhang H,Peng BY,Wang FF,Qian W

更新日期：2016-12-30 00:00:00

abstract：:The microbiome and the phage meta-genome within the human gut are influenced by antibiotic treatments. Identifying a novel mechanism, here we demonstrate that bacteria use the universal communication molecule AI-2 to induce virulence genes and transfer them via phage release. High concentrations (i.e. 100 μM) of AI-2 ...

journal_title：PLoS pathogens

authors： Rossmann FS,Racek T,Wobser D,Puchalka J,Rabener EM,Reiger M,Hendrickx AP,Diederich AK,Jung K,Klein C,Huebner J

更新日期：2015-02-23 00:00:00

abstract：:Cellular metal homeostasis is a critical process for all organisms, requiring tight regulation. In the major pathogen Helicobacter pylori, the acquisition of nickel is an essential virulence determinant as this metal is a cofactor for the acid-resistance enzyme, urease. Nickel uptake relies on the NixA permease and th...

journal_title：PLoS pathogens

authors： Denic M,Turlin E,Michel V,Fischer F,Khorasani-Motlagh M,Zamble D,Vinella D,de Reuse H

更新日期：2021-01-14 00:00:00

abstract：:HIV-1 replication normally requires Vif-mediated neutralization of APOBEC3 antiviral enzymes. Viruses lacking Vif succumb to deamination-dependent and -independent restriction processes. Here, HIV-1 adaptation studies were leveraged to ask whether viruses with an irreparable vif deletion could develop resistance to re...

journal_title：PLoS pathogens

authors： Ikeda T,Symeonides M,Albin JS,Li M,Thali M,Harris RS

更新日期：2018-04-20 00:00:00

abstract：:The effectiveness of the annual influenza vaccine has declined in recent years, especially for the H3N2 component, and is a concern for global public health. A major cause for this lack in effectiveness has been attributed to the egg-based vaccine production process. Substitutions on the hemagglutinin glycoprotein (HA...

journal_title：PLoS pathogens

authors： Wu NC,Zost SJ,Thompson AJ,Oyen D,Nycholat CM,McBride R,Paulson JC,Hensley SE,Wilson IA

更新日期：2017-10-23 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：:Mosquito-borne flaviviruses are among the most significant arboviral pathogens worldwide. Vaccinations and mosquito population control programs remain the most reliable means for flavivirus disease prevention, and live attenuated viruses remain one of the most attractive flavivirus vaccine platforms. Some live attenua...

journal_title：PLoS pathogens

authors： Tsetsarkin KA,Liu G,Kenney H,Bustos-Arriaga J,Hanson CT,Whitehead SS,Pletnev AG

更新日期：2015-04-23 00:00:00

abstract：:Previously, we demonstrated that Pseudomonas aeruginosa ExoT induces potent apoptosis in host epithelial cells in a manner that primarily depends on its ADP-ribosyltransferase domain (ADPRT) activity. However, the mechanism underlying ExoT/ADPRT-induced apoptosis remains undetermined. We now report that ExoT/ADPRT dis...

journal_title：PLoS pathogens

authors： Wood S,Goldufsky J,Shafikhani SH

更新日期：2015-05-28 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：:Flavivirus nonstructural protein 5 (NS5) consists of methyltransferase (MTase) and RNA-dependent RNA polymerase (RdRp) domains, which catalyze 5'-RNA capping/methylation and RNA synthesis, respectively, during viral genome replication. Although the crystal structure of flavivirus NS5 is known, no data about the quater...

journal_title：PLoS pathogens

authors： Klema VJ,Ye M,Hindupur A,Teramoto T,Gottipati K,Padmanabhan R,Choi KH

更新日期：2016-02-19 00:00:00

abstract：:In addition to modulating the function and stability of cellular mRNAs, microRNAs can profoundly affect the life cycles of viruses bearing sequence complementary targets, a finding recently exploited to ameliorate toxicities of vaccines and oncolytic viruses. To elucidate the mechanisms underlying microRNA-mediated an...

journal_title：PLoS pathogens

authors： Kelly EJ,Hadac EM,Cullen BR,Russell SJ

更新日期：2010-03-19 00:00:00

abstract：:The function of Toll pathway defense against bacterial infection has been well established in shrimp, however how this pathway responds to viral infection is still largely unknown. In this study, we report the Toll4-Dorsal-AMPs cascade restricts the white spot syndrome virus (WSSV) infection of shrimp. A total of nine...

journal_title：PLoS pathogens

authors： Li H,Yin B,Wang S,Fu Q,Xiao B,Lǚ K,He J,Li C

更新日期：2018-09-26 00:00:00

abstract：:Phytopathogenic ascomycete fungi possess huge effector repertoires that are dominated by hundreds of sequence-unrelated small secreted proteins. The molecular function of these effectors and the evolutionary mechanisms that generate this tremendous number of singleton genes are largely unknown. To get a deeper underst...

journal_title：PLoS pathogens

authors： de Guillen K,Ortiz-Vallejo D,Gracy J,Fournier E,Kroj T,Padilla A

更新日期：2015-10-27 00:00:00

abstract：:Paramyxovirus spread generally involves assembly of individual viral particles which then infect target cells. We show that infection of human bronchial airway cells with human metapneumovirus (HMPV), a recently identified paramyxovirus which causes significant respiratory disease, results in formation of intercellula...

journal_title：PLoS pathogens

authors： El Najjar F,Cifuentes-Muñoz N,Chen J,Zhu H,Buchholz UJ,Moncman CL,Dutch RE

更新日期：2016-09-28 00:00:00

abstract：:Accurate calculation of mutation rates for viruses and viroids is necessary for evolutionary studies and to evaluate adaptation potential. However, estimation of in vivo mutation rates is complicated by selection, which leads to loss or proliferation of certain mutations. To minimize this concern, lethal mutations, in...

journal_title：PLoS pathogens

authors： Wu J,Bisaro DM

更新日期：2020-12-22 00:00:00

abstract：:Phylogenetic analyses have provided strong evidence that amino acid changes in spike (S) protein of animal and human SARS coronaviruses (SARS-CoVs) during and between two zoonotic transfers (2002/03 and 2003/04) are the result of positive selection. While several studies support that some amino acid changes between an...

journal_title：PLoS pathogens

authors： Sui J,Aird DR,Tamin A,Murakami A,Yan M,Yammanuru A,Jing H,Kan B,Liu X,Zhu Q,Yuan QA,Adams GP,Bellini WJ,Xu J,Anderson LJ,Marasco WA

更新日期：2008-11-01 00:00:00

abstract：:African trypanosomes thrive in the bloodstream and tissue spaces of a wide range of mammalian hosts. Infections of cattle cause an enormous socio-economic burden in sub-Saharan Africa. A hallmark of the trypanosome lifestyle is the flagellate's incessant motion. This work details the cell motility behavior of the four...

journal_title：PLoS pathogens

authors： Bargul JL,Jung J,McOdimba FA,Omogo CO,Adung'a VO,Krüger T,Masiga DK,Engstler M

更新日期：2016-02-12 00:00:00

abstract：:African trypanosomes of the Trypanosoma brucei species are extra-cellular parasites that cause human African trypanosomiasis (HAT) as well as infections in game animals and livestock. Trypanosomes are known to evade the immune response of their mammalian host by continuous antigenic variation of their surface coat. He...

journal_title：PLoS pathogens

authors： Radwanska M,Guirnalda P,De Trez C,Ryffel B,Black S,Magez S

更新日期：2008-05-30 00:00:00

abstract：:Serine protease cascades regulate important insect immune responses namely melanization and Toll pathway activation. An important component of these cascades are clip-domain serine protease homologs (cSPHs), which are non-catalytic, but essential for activating the enzyme prophenoloxidase (PPO) in the melanization res...

journal_title：PLoS pathogens

authors： El Moussawi L,Nakhleh J,Kamareddine L,Osta MA

更新日期：2019-11-25 00:00:00