NsrR, GadE, and GadX interplay in repressing expression of the Escherichia coli O157:H7 LEE pathogenicity island in response to nitric oxide.

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：: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：:Eastern equine encephalitis virus (EEEV), a mosquito-borne RNA virus, is one of the most acutely virulent viruses endemic to the Americas, causing between 30% and 70% mortality in symptomatic human cases. A major factor in the virulence of EEEV is the presence of four binding sites for the hematopoietic cell-specific ...

journal_title：PLoS pathogens

authors： Trobaugh DW,Sun C,Bhalla N,Gardner CL,Dunn MD,Klimstra WB

更新日期：2019-10-28 00:00:00

abstract：:The HIV-1 envelope glycoprotein (Env) composed of the receptor binding domain gp120 and the fusion protein subunit gp41 catalyzes virus entry and is a major target for therapeutic intervention and for neutralizing antibodies. Env interactions with cellular receptors trigger refolding of gp41, which induces close appos...

journal_title：PLoS pathogens

authors： Buzon V,Natrajan G,Schibli D,Campelo F,Kozlov MM,Weissenhorn W

更新日期：2010-05-06 00:00:00

abstract：:Mycobacterium leprae, an obligate intracellular bacillus, infects Schwann cells (SCs), leading to peripheral nerve damage, the most severe leprosy symptom. In the present study, we revisited the involvement of phenolic glycolipid I (PGL I), an abundant, private, surface M. leprae molecule, in M. leprae-SC interaction ...

journal_title：PLoS pathogens

authors： Díaz Acosta CC,Dias AA,Rosa TLSA,Batista-Silva LR,Rosa PS,Toledo-Pinto TG,Costa FDMR,Lara FA,Rodrigues LS,Mattos KA,Sarno EN,Bozza PT,Guilhot C,de Berrêdo-Pinho M,Pessolani MCV

更新日期：2018-07-06 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：:Mycobacterial infection leads to activation of the RIG-I/MAVS/TBK1 RNA sensing pathway in macrophages but the consequences of this activation remains poorly defined. In this study, we determined that activation of this RNA sensing pathway stimulates ICAM-1 expression in M.avium-infected macrophage through the inhibiti...

journal_title：PLoS pathogens

authors： Cheng Y,Kiene NJ,Tatarian A,Eix EF,Schorey JS

更新日期：2020-05-28 00:00:00

abstract：:The virulence of Francisella tularensis, the etiological agent of tularemia, relies on an atypical type VI secretion system (T6SS) encoded by a genomic island termed the Francisella Pathogenicity Island (FPI). While the importance of the FPI in F. tularensis virulence is clearly established, the precise role of most o...

journal_title：PLoS pathogens

authors： Rigard M,Bröms JE,Mosnier A,Hologne M,Martin A,Lindgren L,Punginelli C,Lays C,Walker O,Charbit A,Telouk P,Conlan W,Terradot L,Sjöstedt A,Henry T

更新日期：2016-09-07 00:00:00

abstract：:Since mucosal surfaces may be simultaneously colonized by multiple species, the success of an organism may be determined by its ability to compete with co-inhabitants of its niche. To explore the contribution of host factors to polymicrobial competition, a murine model was used to study the initiation of colonization ...

journal_title：PLoS pathogens

authors： Lysenko ES,Ratner AJ,Nelson AL,Weiser JN

更新日期：2005-09-01 00:00:00

abstract：:Successful treatment of aspergillosis caused by Aspergillus fumigatus is threatened by an increasing incidence of drug resistance. This situation is further complicated by the finding that strains resistant to azoles, the major antifungal drugs for aspergillosis, have been widely disseminated across the globe. To eluc...

journal_title：PLoS pathogens

authors： Hagiwara D,Miura D,Shimizu K,Paul S,Ohba A,Gonoi T,Watanabe A,Kamei K,Shintani T,Moye-Rowley WS,Kawamoto S,Gomi K

更新日期：2017-01-04 00:00:00

abstract：:Yersinia suppress neutrophil responses by using a type 3 secretion system (T3SS) to inject 6-7 Yersinia effector proteins (Yops) effectors into their cytoplasm. YopH is a tyrosine phosphatase that causes dephosphorylation of the adaptor protein SKAP2, among other targets in neutrophils. SKAP2 functions in reactive oxy...

journal_title：PLoS pathogens

authors： Shaban L,Nguyen GT,Mecsas-Faxon BD,Swanson KD,Tan S,Mecsas J

更新日期：2020-05-11 00:00:00

abstract：:In HPV-related cancers, the "high-risk" human papillomaviruses (HPVs) are frequently found integrated into the cellular genome. The integrated subgenomic HPV fragments express viral oncoproteins and carry an origin of DNA replication that is capable of initiating bidirectional DNA re-replication in the presence of HPV...

journal_title：PLoS pathogens

authors： Kadaja M,Isok-Paas H,Laos T,Ustav E,Ustav M

更新日期：2009-04-01 00:00:00

abstract：:Hepatitis C virus (HCV) core protein is directed to the surface of lipid droplets (LD), a step that is essential for infectious virus production. However, the process by which core is recruited from LD into nascent virus particles is not well understood. To investigate the kinetics of core trafficking, we developed me...

journal_title：PLoS pathogens

authors： Counihan NA,Rawlinson SM,Lindenbach BD

更新日期：2011-10-01 00:00:00

abstract：:Helicobacter pylori (Hp) injects the CagA effector protein into host epithelial cells and induces growth factor-like signaling, perturbs cell-cell junctions, and alters host cell polarity. This enables Hp to grow as microcolonies adhered to the host cell surface even in conditions that do not support growth of free-sw...

journal_title：PLoS pathogens

authors： Tan S,Noto JM,Romero-Gallo J,Peek RM Jr,Amieva MR

更新日期：2011-05-01 00:00:00

abstract：:Host genetic variation modifying HIV-1 acquisition risk can inform development of HIV-1 prevention strategies. However, associations between rare or intermediate-frequency variants and HIV-1 acquisition are not well studied. We tested for the association between variation in genic regions and extreme HIV-1 acquisition...

journal_title：PLoS pathogens

authors： Mackelprang RD,Bamshad MJ,Chong JX,Hou X,Buckingham KJ,Shively K,deBruyn G,Mugo NR,Mullins JI,McElrath MJ,Baeten JM,Celum C,Emond MJ,Lingappa JR,Partners in Prevention HSV\/HIV Transmission Study and the Partners PrEP Study T

更新日期：2017-11-06 00:00:00

abstract：:Despite considerable research efforts, little is yet known about key epidemiological parameters of H5N1 highly pathogenic influenza viruses in their avian hosts. Here we show how these parameters can be estimated using a limited number of birds in experimental transmission studies. Our quantitative estimates, based on...

journal_title：PLoS pathogens

authors： Bouma A,Claassen I,Natih K,Klinkenberg D,Donnelly CA,Koch G,van Boven M

更新日期：2009-01-01 00:00:00

abstract：:Lyme disease in humans is caused by several genospecies of the Borrelia burgdorferi sensu lato (s.l.) complex of spirochetal bacteria, including B. burgdorferi, B. afzelii and B. garinii. These bacteria exist in nature as obligate parasites in an enzootic cycle between small vertebrate hosts and Ixodid tick vectors, w...

journal_title：PLoS pathogens

authors： Bhatia B,Hillman C,Carracoi V,Cheff BN,Tilly K,Rosa PA

更新日期：2018-04-05 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：:Kaposi's sarcoma (KS), caused by Kaposi's sarcoma herpesvirus (KSHV), is a highly vascularised tumour of endothelial origin. KSHV infected endothelial cells show increased invasiveness and angiogenesis. Here, we report that the KSHV K15 protein, which we showed previously to contribute to KSHV-induced angiogenesis, is...

journal_title：PLoS pathogens

authors： Gramolelli S,Weidner-Glunde M,Abere B,Viejo-Borbolla A,Bala K,Rückert J,Kremmer E,Schulz TF

更新日期：2015-08-21 00:00:00

abstract：:Candida albicans is the most frequent cause of oral fungal infections. However, the exact pathogenicity mechanisms that this fungus employs are largely unknown and many of the genes expressed during oral infection are uncharacterized. In this study we sought to functionally characterize 12 previously unknown function ...

journal_title：PLoS pathogens

authors： Mayer FL,Wilson D,Jacobsen ID,Miramón P,Große K,Hube B

更新日期：2012-01-01 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：: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：:Resistance of viruses to mutagenic agents is an important problem for the development of lethal mutagenesis as an antiviral strategy. Previous studies with RNA viruses have documented that resistance to the mutagenic nucleoside analogue ribavirin (1-β-D-ribofuranosyl-1-H-1,2,4-triazole-3-carboxamide) is mediated by am...

journal_title：PLoS pathogens

authors： Agudo R,Ferrer-Orta C,Arias A,de la Higuera I,Perales C,Pérez-Luque R,Verdaguer N,Domingo E

更新日期：2010-08-26 00:00:00

abstract：:Plants have evolved pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) and effector-triggered immunity (ETI) to protect themselves from infection by diverse pathogens. Avirulence (Avr) effectors that trigger plant ETI as a result of recognition by plant resistance (R) gene products have been identif...

journal_title：PLoS pathogens

authors： Dong S,Yin W,Kong G,Yang X,Qutob D,Chen Q,Kale SD,Sui Y,Zhang Z,Dou D,Zheng X,Gijzen M,Tyler BM,Wang Y

更新日期：2011-11-01 00:00:00

abstract：:The unfolded protein response (UPR) in the endoplasmic reticulum (ER) constitutes a critical component of host innate immunity against microbial infections. In this report, we show that porcine reproductive and respiratory syndrome virus (PRRSV) utilizes the UPR machinery for its own benefit. We provide evidence that ...

journal_title：PLoS pathogens

authors： Gao P,Chai Y,Song J,Liu T,Chen P,Zhou L,Ge X,Guo X,Han J,Yang H

更新日期：2019-11-18 00:00:00

abstract：:Borrelia burgdorferi, the causative agent of Lyme disease in humans, is exposed to reactive oxygen and nitrogen species (ROS and RNS) in both the tick vector and vertebrate reservoir hosts. B. burgdorferi contains a limited repertoire of canonical oxidative stress response genes, suggesting that novel gene functions m...

journal_title：PLoS pathogens

authors： Ramsey ME,Hyde JA,Medina-Perez DN,Lin T,Gao L,Lundt ME,Li X,Norris SJ,Skare JT,Hu LT

更新日期：2017-02-17 00:00:00

abstract：:Malaria, caused by the apicomplexan parasite Plasmodium, still represents a major threat to human health and welfare and leads to about one million human deaths annually. Plasmodium is a rapidly multiplying unicellular organism undergoing a complex developmental cycle in man and mosquito - a life style that requires r...

journal_title：PLoS pathogens

authors： Kehr S,Sturm N,Rahlfs S,Przyborski JM,Becker K

更新日期：2010-12-23 00:00:00

abstract：:Transforming growth factor (TGF)-β inhibits hepatitis B virus (HBV) replication although the intracellular effectors involved are not determined. Here, we report that reduction of HBV transcripts by TGF-β is dependent on AID expression, which significantly decreases both HBV transcripts and viral DNA, resulting in inh...

journal_title：PLoS pathogens

authors： Liang G,Liu G,Kitamura K,Wang Z,Chowdhury S,Monjurul AM,Wakae K,Koura M,Shimadu M,Kinoshita K,Muramatsu M

更新日期：2015-04-02 00:00:00

abstract：:Over 200 million people have, and another 600 million are at risk of contracting, schistosomiasis, one of the major neglected tropical diseases. Transmission of this infection, which is caused by helminth parasites of the genus Schistosoma, depends upon the release of parasite eggs from the human host. However, approx...

journal_title：PLoS pathogens

authors： Freitas TC,Jung E,Pearce EJ

更新日期：2007-04-01 00:00:00

abstract：:The prevalence of antibiotic resistance genes in pathogenic bacteria is a major challenge to treating many infectious diseases. The spread of these genes is driven by the strong selection imposed by the use of antibacterial drugs. However, in the absence of drug selection, antibiotic resistance genes impose a fitness ...

journal_title：PLoS pathogens

authors： Albarracín Orio AG,Piñas GE,Cortes PR,Cian MB,Echenique J

更新日期：2011-02-01 00:00:00