A novel phase variation mechanism in the meningococcus driven by a ligand-responsive repressor and differential spacing of distal promoter elements.

abstract：:The widespread use of antibiotics is selecting for a variety of resistance mechanisms that seriously challenge our ability to treat bacterial infections. Resistant bacteria can be selected at the high concentrations of antibiotics used therapeutically, but what role the much lower antibiotic concentrations present in ...

journal_title：PLoS pathogens

authors： Gullberg E,Cao S,Berg OG,Ilbäck C,Sandegren L,Hughes D,Andersson DI

更新日期：2011-07-01 00:00:00

abstract：:Chlamydia trachomatis remains one of the few major human pathogens for which there is no transformation system. C. trachomatis has a unique obligate intracellular developmental cycle. The extracellular infectious elementary body (EB) is an infectious, electron-dense structure that, following host cell infection, diffe...

journal_title：PLoS pathogens

authors： Wang Y,Kahane S,Cutcliffe LT,Skilton RJ,Lambden PR,Clarke IN

更新日期：2011-09-01 00:00:00

abstract：:Modified vaccinia virus Ankara (MVA) is an attenuated double-stranded DNA poxvirus currently developed as a vaccine vector against HIV/AIDS. Profiling of the innate immune responses induced by MVA is essential for the design of vaccine vectors and for anticipating potential adverse interactions between naturally acqui...

journal_title：PLoS pathogens

authors： Delaloye J,Roger T,Steiner-Tardivel QG,Le Roy D,Knaup Reymond M,Akira S,Petrilli V,Gomez CE,Perdiguero B,Tschopp J,Pantaleo G,Esteban M,Calandra T

更新日期：2009-06-01 00:00:00

abstract：:Murine norovirus (MNoV) is an important model of human norovirus (HNoV) and mucosal virus infection more broadly. Viral receptor utilization is a major determinant of cell tropism, host range, and pathogenesis. The bona fide receptor for HNoV is unknown. Recently, we identified CD300lf as a proteinaceous receptor for ...

journal_title：PLoS pathogens

authors： Graziano VR,Walker FC,Kennedy EA,Wei J,Ettayebi K,Strine MS,Filler RB,Hassan E,Hsieh LL,Kim AS,Kolawole AO,Wobus CE,Lindesmith LC,Baric RS,Estes MK,Orchard RC,Baldridge MT,Wilen CB

更新日期：2020-04-06 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV) vGPCR is a constitutively active G protein-coupled receptor that subverts proliferative and inflammatory signaling pathways to induce cell transformation in Kaposi's sarcoma. Cyclooxygenase-2 (COX-2) is an inflammatory mediator that plays a key regulatory role in the acti...

journal_title：PLoS pathogens

authors： Medina MV,D Agostino A,Ma Q,Eroles P,Cavallin L,Chiozzini C,Sapochnik D,Cymeryng C,Hyjek E,Cesarman E,Naipauer J,Mesri EA,Coso OA

更新日期：2020-10-15 00:00:00

abstract：:The picornaviruses coxsackievirus A24 variant (CVA24v) and enterovirus 70 (EV70) cause continued outbreaks and pandemics of acute hemorrhagic conjunctivitis (AHC), a highly contagious eye disease against which neither vaccines nor antiviral drugs are currently available. Moreover, these viruses can cause symptoms in t...

journal_title：PLoS pathogens

authors： Zocher G,Mistry N,Frank M,Hähnlein-Schick I,Ekström JO,Arnberg N,Stehle T

更新日期：2014-10-16 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：:Tm-2² is a coiled coil-nucleotide binding-leucine rich repeat resistance protein that confers durable extreme resistance against Tomato mosaic virus (ToMV) and Tobacco mosaic virus (TMV) by recognizing the viral movement protein (MP). Here we report that the Nicotiana benthamiana J-domain MIP1 proteins (NbMIP1s) assoc...

journal_title：PLoS pathogens

authors： Du Y,Zhao J,Chen T,Liu Q,Zhang H,Wang Y,Hong Y,Xiao F,Zhang L,Shen Q,Liu Y

更新日期：2013-01-01 00:00:00

abstract：:We report the identification of a novel polyomavirus present in respiratory secretions from human patients with symptoms of acute respiratory tract infection. The virus was initially detected in a nasopharyngeal aspirate from a 3-year-old child from Australia diagnosed with pneumonia. A random library was generated fr...

journal_title：PLoS pathogens

authors： Gaynor AM,Nissen MD,Whiley DM,Mackay IM,Lambert SB,Wu G,Brennan DC,Storch GA,Sloots TP,Wang D

更新日期：2007-05-04 00:00:00

abstract：:The bacterial endosymbiont Wolbachia pipientis protects its hosts from a range of pathogens by limiting their ability to form infections inside the insect. This "pathogen blocking" could be explained by innate immune priming by the symbiont, competition for host-derived resources between pathogens and Wolbachia, or th...

journal_title：PLoS pathogens

authors： Caragata EP,Rancès E,Hedges LM,Gofton AW,Johnson KN,O'Neill SL,McGraw EA

更新日期：2013-01-01 00:00:00

abstract：:A facile and efficient method for the precise editing of large viral genomes is required for the selection of attenuated vaccine strains and the construction of gene therapy vectors. The type II prokaryotic CRISPR-Cas (clustered regularly interspaced short palindromic repeats (CRISPR)-associated (Cas)) RNA-guided nucl...

journal_title：PLoS pathogens

authors： Bi Y,Sun L,Gao D,Ding C,Li Z,Li Y,Cun W,Li Q

更新日期：2014-05-01 00:00:00

abstract：:As humans age, they experience a progressive loss of thymic function and a corresponding shift in the makeup of the circulating CD8+ T cell population from naïve to memory phenotype. These alterations are believed to result in impaired CD8+ T cell responses in older individuals; however, evidence that these global cha...

journal_title：PLoS pathogens

authors： Lelic A,Verschoor CP,Ventresca M,Parsons R,Evelegh C,Bowdish D,Betts MR,Loeb MB,Bramson JL

更新日期：2012-01-01 00:00:00

abstract：:A key difference that distinguishes viral infections from protein immunizations is the recognition of viral nucleic acids by cytosolic pattern recognition receptors (PRRs). Insights into the functions of cytosolic PRRs such as the RNA-sensing Rig-I-like receptors (RLRs) in the instruction of adaptive immunity are ther...

journal_title：PLoS pathogens

authors： O'Ketch M,Williams S,Larson C,Uhrlaub JL,Wong R,Hall B,Deshpande NR,Schenten D

更新日期：2020-10-26 00:00:00

abstract：:Mitochondrial processing peptidases are heterodimeric enzymes (alpha/betaMPP) that play an essential role in mitochondrial biogenesis by recognizing and cleaving the targeting presequences of nuclear-encoded mitochondrial proteins. The two subunits are paralogues that probably evolved by duplication of a gene for a mo...

journal_title：PLoS pathogens

authors： Smíd O,Matusková A,Harris SR,Kucera T,Novotný M,Horváthová L,Hrdý I,Kutejová E,Hirt RP,Embley TM,Janata J,Tachezy J

更新日期：2008-12-01 00:00:00

abstract：:Acinetobacter baumannii is an important nosocomial pathogen that accounts for up to 20 percent of infections in intensive care units worldwide. Furthermore, A. baumannii strains have emerged that are resistant to all available antimicrobials. These facts highlight the dire need for new therapeutic strategies to combat...

journal_title：PLoS pathogens

authors： Hood MI,Mortensen BL,Moore JL,Zhang Y,Kehl-Fie TE,Sugitani N,Chazin WJ,Caprioli RM,Skaar EP

更新日期：2012-01-01 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 Cytomegalovirus (HCMV) is a widespread pathogen, infection with which can cause severe disease for immunocompromised individuals. The complex changes wrought on the host's immune system during both productive and latent HCMV infection are well known. Infected cells are masked and manipulated and uninfected immun...

journal_title：PLoS pathogens

authors： Zischke J,Mamareli P,Pokoyski C,Gabaev I,Buyny S,Jacobs R,Falk CS,Lochner M,Sparwasser T,Schulz TF,Kay-Fedorov PC

更新日期：2017-06-19 00:00:00

abstract：:Phosphorylated derivatives of phosphatidylinositol (PIPs) are key membrane lipid residues involved in clathrin-mediated endocytosis (CME). CME relies on PIP species PI(4,5)P2 to mark endocytic sites at the plasma membrane (PM) associated to clathrin-coated vesicle (CCV) formation. The highly diverged parasitic protist...

journal_title：PLoS pathogens

authors： Cernikova L,Faso C,Hehl AB

更新日期：2020-02-24 00:00:00

abstract：:Helicobacter pylori (H. pylori) is the major risk factor for the development of gastric cancer. Our laboratory has reported that the Sonic Hedgehog (Shh) signaling pathway is an early response to infection that is fundamental to the initiation of H. pylori-induced gastritis. H. pylori also induces programmed death lig...

journal_title：PLoS pathogens

authors： Holokai L,Chakrabarti J,Broda T,Chang J,Hawkins JA,Sundaram N,Wroblewski LE,Peek RM Jr,Wang J,Helmrath M,Wells JM,Zavros Y

更新日期：2019-01-31 00:00:00

abstract：:Bacterial biofilm is considered as a particular lifestyle helping cells to survive hostile environments triggered by a variety of signals sensed and integrated through adequate regulatory pathways. Pseudomonas aeruginosa, a Gram-negative bacterium causing severe infections in humans, forms biofilms and is a fantastic ...

journal_title：PLoS pathogens

authors： de Bentzmann S,Giraud C,Bernard CS,Calderon V,Ewald F,Plésiat P,Nguyen C,Grunwald D,Attree I,Jeannot K,Fauvarque MO,Bordi C

更新日期：2012-01-01 00:00:00

abstract：:Despite a high current standard of care in antiretroviral therapy for HIV, multidrug-resistant strains continue to emerge, underscoring the need for additional novel mechanism inhibitors that will offer expanded therapeutic options in the clinic. We report a new class of small molecule antiretroviral compounds that di...

journal_title：PLoS pathogens

authors： Blair WS,Pickford C,Irving SL,Brown DG,Anderson M,Bazin R,Cao J,Ciaramella G,Isaacson J,Jackson L,Hunt R,Kjerrstrom A,Nieman JA,Patick AK,Perros M,Scott AD,Whitby K,Wu H,Butler SL

更新日期：2010-12-09 00:00:00

abstract：:Current understanding of adaptive immune, particularly T cell, responses to human rhinoviruses (RV) is limited. Memory T cells are thought to be of a primarily T helper 1 type, but both T helper 1 and T helper 2 memory cells have been described, and heightened T helper 2/ lessened T helper 1 responses have been associ...

journal_title：PLoS pathogens

authors： Glanville N,Peel TJ,Schröder A,Aniscenko J,Walton RP,Finotto S,Johnston SL

更新日期：2016-09-28 00:00:00

abstract：:Previous studies identified prion protein (PrP) mutants which act as dominant negative inhibitors of prion formation through a mechanism hypothesized to require an unidentified species-specific cofactor termed protein X. To study the mechanism of dominant negative inhibition in vitro, we used recombinant PrP(C) molecu...

journal_title：PLoS pathogens

authors： Geoghegan JC,Miller MB,Kwak AH,Harris BT,Supattapone S

更新日期：2009-07-01 00:00:00

abstract：:Heme metabolism is central to malaria parasite biology. The parasite acquires heme from host hemoglobin in the intraerythrocytic stages and stores it as hemozoin to prevent free heme toxicity. The parasite can also synthesize heme de novo, and all the enzymes in the pathway are characterized. To study the role of the ...

journal_title：PLoS pathogens

authors： Nagaraj VA,Sundaram B,Varadarajan NM,Subramani PA,Kalappa DM,Ghosh SK,Padmanaban G

更新日期：2013-01-01 00:00:00

abstract：:During blood stage Plasmodium falciparum infection, merozoites invade uninfected erythrocytes via a complex, multistep process involving a series of distinct receptor-ligand binding events. Understanding each element in this process increases the potential to block the parasite's life cycle via drugs or vaccines. To i...

journal_title：PLoS pathogens

authors： Weiss GE,Gilson PR,Taechalertpaisarn T,Tham WH,de Jong NW,Harvey KL,Fowkes FJ,Barlow PN,Rayner JC,Wright GJ,Cowman AF,Crabb BS

更新日期：2015-02-27 00:00:00

abstract：:Toxin-antitoxin (TA) systems are prevalent in many bacterial genomes and have been implicated in biofilm and persister cell formation, but the contribution of individual chromosomally encoded TA systems during bacterial pathogenesis is not well understood. Of the known TA systems encoded by Escherichia coli, only a su...

journal_title：PLoS pathogens

authors： Norton JP,Mulvey MA

更新日期：2012-01-01 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

abstract：:Bdellovibrio bacteriovorus is a Delta-proteobacterium that oscillates between free-living growth and predation on Gram-negative bacteria including important pathogens of man, animals and plants. After entering the prey periplasm, killing the prey and replicating inside the prey bdelloplast, several motile B. bacteriov...

journal_title：PLoS pathogens

authors： Hobley L,Fung RK,Lambert C,Harris MA,Dabhi JM,King SS,Basford SM,Uchida K,Till R,Ahmad R,Aizawa S,Gomelsky M,Sockett RE

更新日期：2012-02-01 00:00:00

abstract：:Peptides presentation to T cells by MHC class II molecules is of importance in initiation of immune response to a pathogen. The level of MHC II expression directly influences T lymphocyte activation and is often targeted by various viruses. Kaposi's sarcoma-associated herpesvirus (KSHV) encoded LANA is known to evade ...

journal_title：PLoS pathogens

authors： Cai Q,Banerjee S,Cervini A,Lu J,Hislop AD,Dzeng R,Robertson ES

更新日期：2013-10-01 00:00:00

abstract：:Intracellular parasites, such as Leishmania spp, must acquire suitable carbon sources from the host cell in order to replicate. Here we present evidence that intracellular amastigote stages of Leishmania exploit amino sugars in the phagolysosome of mammalian macrophages as a source of carbon and energy. L. major paras...

journal_title：PLoS pathogens

authors： Naderer T,Heng J,McConville MJ

更新日期：2010-12-23 00:00:00