Effector triggered immunity.

abstract：:Acinetobacter nosocomialis is an important nosocomial pathogen that causes a variety of human infections. However, the specific virulence factors of this microorganism have not yet been determined. We investigated the role of outer membrane protein A (OmpA) in the pathogenesis of A. nosocomialis. A ΔompA mutant of the...

journal_title：Virulence

authors： Kim SW,Oh MH,Jun SH,Jeon H,Kim SI,Kim K,Lee YC,Lee JC

更新日期：2016-05-18 00:00:00

abstract：:Burkholderia pseudomallei: is the etiological agent of the disease melioidosis and is a Tier 1 select agent. It survives and replicates inside phagocytic cells by escaping from the endocytic vacuole, replicating in the cytosol, spreading to other cells via actin polymerization and promoting the fusion of infected and ...

journal_title：Virulence

authors： Welkos S,Blanco I,Okaro U,Chua J,DeShazer D

更新日期：2020-12-01 00:00:00

abstract：:Candida albicans remains the main etiological agent of candidiasis, as this otherwise normal commensal of humans is capable of causing active infection in immune- and medically-compromised patients. The high morbidity and mortality rates associated with candidiasis, coupled with the emergence of drug resistance demand...

journal_title：Virulence

authors： Vila T,Romo JA,Pierce CG,McHardy SF,Saville SP,Lopez-Ribot JL

更新日期：2017-02-17 00:00:00

abstract：:Bacterial eukaryotic-like serine threonine kinases (eSTKs) and serine threonine phosphatases (eSTPs) have emerged as important signaling elements that are indispensable for pathogenesis. Differing considerably from their histidine kinase counterparts, few eSTK genes are encoded within the average bacterial genome, and...

journal_title：Virulence

authors： Wright DP,Ulijasz AT

更新日期：2014-01-01 00:00:00

abstract：:The twin-arginine translocation (Tat) system is involved in a variety of important bacterial physiological processes. Conserved among bacteria and crucial for virulence, the Tat system is deemed as a promising anti-microbial drug target. However, the mechanism of how the Tat system functions in bacterial pathogenesis ...

journal_title：Virulence

authors： Liu J,Yin F,Liu T,Li S,Tan C,Li L,Zhou R,Huang Q

更新日期：2020-12-01 00:00:00

abstract：:Mycoplasmas persist in the host for a long time, suggesting that they possess mechanisms for immune evasion. Factor H is a negative regulator of the complement system, which binds to host cells to avoid unexpected complement activation. In this study, we revealed that many mycoplasmas, such as Mycoplasma hyopneumoniae...

journal_title：Virulence

authors： Yu Y,Wang J,Han R,Wang L,Zhang L,Zhang AY,Xin J,Li S,Zeng Y,Shao G,Feng Z,Xiong Q

更新日期：2020-12-01 00:00:00

abstract：:Entomopathogenic fungi are potential biological control agents of mosquitoes. Our group observed that not all mosquitoes were equally susceptible to fungal infection and observed significant differences in virulence of different spore types. Conidiospores and blastospores were tested against Culex quinquefasciatus lar...

journal_title：Virulence

authors： Alkhaibari AM,Lord AM,Maffeis T,Bull JC,Olivares FL,Samuels RI,Butt TM

更新日期：2018-01-01 00:00:00

abstract：:In all eukaryotic cells, the ER stress response is pivotal to survival and adaptation under stress conditions. During temperature adaptation in the human fungal pathogen Cryptococcus neoformans, ER stress is engaged transiently. Studies of this response have demonstrated that both the engagement (turning on the respon...

journal_title：Virulence

authors： Glazier VE,Panepinto JC

更新日期：2014-02-15 00:00:00

abstract：:Drugs such as linezolid that inhibit bacterial protein synthesis may be beneficial in treating infections caused by toxigenic Staphylococcus aureus. As protein synthesis inhibitors have no effect on preformed toxins, neutralization of pathogenic exotoxins with anti-toxin antibodies may be beneficial in conjunction wit...

journal_title：Virulence

authors： Karau MJ,Tilahun ME,Krogman A,Osborne BA,Goldsby RA,David CS,Mandrekar JN,Patel R,Rajagopalan G

更新日期：2017-10-03 00:00:00

abstract：:The emergence of multiresistant Gram-negative bacteria requires new therapies for combating bacterial infections. Targeting the biogenesis of virulence factors could be an alternative strategy instead of killing bacteria with antibiotics. The outer membrane (OM) of Gram-negative bacteria acts as a physical barrier. At...

journal_title：Virulence

authors： Weirich J,Bräutigam C,Mühlenkamp M,Franz-Wachtel M,Macek B,Meuskens I,Skurnik M,Leskinen K,Bohn E,Autenrieth I,Schütz M

更新日期：2017-10-03 00:00:00

abstract：:The aim of this study was to investigate if the alternative in vivo model Galleria mellonella can be used (i) to determine differences in pathogenicity of amphotericin B (AMB) resistant and susceptible A. terreus isolates, (ii) to evaluate AMB efficacy in vivo (iii) and to correlate outcome to in vitro susceptibility ...

journal_title：Virulence

authors： Maurer E,Browne N,Surlis C,Jukic E,Moser P,Kavanagh K,Lass-Flörl C,Binder U

更新日期：2015-01-01 00:00:00

abstract：:Quorum-sensing (QS), the regulation of bacterial gene expression in response to changes in cell density, involves pathways that synthesize signaling molecules (auto-inducers). The luxS/AI-2-mediated QS system has been identified in both gram-positive and gram-negative bacteria. Bacillus anthracis, the etiological agen...

journal_title：Virulence

authors： Jones MB,Peterson SN,Benn R,Braisted JC,Jarrahi B,Shatzkes K,Ren D,Wood TK,Blaser MJ

更新日期：2010-03-01 00:00:00

abstract：:Viral infections of the respiratory tract can be complicated by bacterial superinfection, resulting in a significantly longer duration of illness and even a fatal outcome. In this review, we focused on interactions between S. aureus and non-influenza viruses. Clinical data evidenced that rhinovirus infection may incre...

journal_title：Virulence

authors： Morgene MF,Botelho-Nevers E,Grattard F,Pillet S,Berthelot P,Pozzetto B,Verhoeven PO

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:Reports show that more than 20 million infants world-wide are born prematurely with 95% of all pre-term births occurring in developing countries. Oral colonization of gram-negative anaerobes has been implicated as a risk factor for preterm delivery of low birth weight infants. MATERIALS AND METHODS:This stu...

journal_title：Virulence

authors： Africa C,Kayitenkore J,Bayingana C

更新日期：2010-07-01 00:00:00

abstract：:Sepsis remains a common, serious, and heterogeneous clinical entity that is difficult to define adequately. Despite its importance as a public health problem, efforts to develop and gain regulatory approval for a specific therapeutic agent for the adjuvant treatment of sepsis have been remarkably unsuccessful. One ste...

journal_title：Virulence

authors： Fink MP

更新日期：2014-01-01 00:00:00

abstract：:Highly pathogenic (HP) avian influenza viruses (AIV) evolve from low pathogenic (LP) precursors after circulation in poultry by reassortment and/or single mutations in different gene segments including that encoding NS1. The carboxyl terminal end (CTE) of NS1 exhibits deletions between amino acid 202 and 230 with stil...

journal_title：Virulence

authors： Abdelwhab el-SM,Veits J,Breithaupt A,Gohrbandt S,Ziller M,Teifke JP,Stech J,Mettenleiter TC

更新日期：2016-07-03 00:00:00

abstract：:Rift Valley fever is a mosquito-borne zoonotic disease affecting ruminants and humans. Rift Valley fever virus (RVFV: family Bunyaviridae, genus Phlebovirus) causes abortions and fetal malformations in ruminants, and hemorrhagic fever, encephalitis, or retinitis in humans. The live-attenuated MP-12 vaccine is conditio...

journal_title：Virulence

authors： Nishiyama S,Slack OA,Lokugamage N,Hill TE,Juelich TL,Zhang L,Smith JK,Perez D,Gong B,Freiberg AN,Ikegami T

更新日期：2016-11-16 00:00:00

abstract：:Many of the alterations that affect innate and adaptive immune cell compartments in HIV-infected patients are reminiscent of the process of immune aging, characteristic of old age. These alterations define the immunological age of individuals and are likely to participate to the decline of immune competence with HIV d...

journal_title：Virulence

authors： Appay V,Sauce D

更新日期：2017-07-04 00:00:00

abstract：:The recent finding that the formation of staphylococcal enterotoxins in food is very different from that in cultures of pure Staphylococcus aureus sheds new light on, and brings into question, traditional microbial risk assessment methods based on planktonic liquid cultures. In fact, most bacteria in food appear to be...

journal_title：Virulence

authors： Schelin J,Wallin-Carlquist N,Cohn MT,Lindqvist R,Barker GC,Rådström P

更新日期：2011-11-01 00:00:00

abstract：:Bacteria interact with their host through protein secretion systems and surface structures. Pathogenic bacteria encode protein secretion systems that promote the invasion of the host's tissue, the evasion of the host's immune response, the thwarting microbial competitors, and ultimately survival within the host. For m...

journal_title：Virulence

authors： Troxell B

更新日期：2018-01-01 00:00:00

abstract：:The lipopolysaccharide (LPS) is a major virulence factor of Brucella, a facultative intracellular pathogenic Gram-negative bacterium. Brucella LPS exhibits a low toxicity and its atypical structure was postulated to delay the host immune response, favouring the establishment of chronic disease. Here we carried out an ...

journal_title：Virulence

authors： Zhao Y,Hanniffy S,Arce-Gorvel V,Conde-Alvarez R,Oh S,Moriyón I,Mémet S,Gorvel JP

更新日期：2018-01-01 00:00:00

abstract：:Several human pathogens bind and respond to host cytokines, which can be considered a virulence mechanism that communicates defensive actions of the host to the pathogen. This review summarizes the current knowledge of bacterial cytokine-binding proteins, with a particular focus on their functional and structural char...

journal_title：Virulence

authors： Högbom M,Ihalin R

更新日期：2017-11-17 00:00:00

abstract：:In the present study, we examined prolonged infection after antigenic co-stimulation by inoculation of the fungus Fonsecaea pedrosoi at two different sites in three mouse strains (BALB/c, Swiss, and C57BL/6). Using this murine model of infection, we showed that antigen induction of infection at more than one site led ...

journal_title：Virulence

authors： Machado AP,Silva MR,Fischman O

更新日期：2010-01-01 00:00:00

abstract：:Trehalose is a disaccharide formed from two glucose molecules. This sugar molecule can be isolated from a range of organisms including bacteria, fungi, plants and invertebrates. Trehalose has a variety of functions including a role as an energy storage molecule, a structural component of glycolipids and plays a role i...

journal_title：Virulence

authors： Vanaporn M,Sarkar-Tyson M,Kovacs-Simon A,Ireland PM,Pumirat P,Korbsrisate S,Titball RW,Butt A

更新日期：2017-01-02 00:00:00

abstract：:Anthrax toxins and capsule are the major virulence factors of Bacillus anthracis. They are encoded by genes located on the plasmids pXO1 and pXO2, respectively. The vaccine strain Pasteur II was produced from high temperature subcultures of B. anthracis, which resulted in virulence attenuation through the loss of the ...

journal_title：Virulence

authors： Liang X,Zhang H,Zhang E,Wei J,Li W,Wang B,Dong S,Zhu J

更新日期：2016-07-03 00:00:00

abstract：:Maternal antibodies induced by vaccination during pregnancy cross the placental barrier and can close the susceptibility gap to pertussis in young infants up to the start of primary immunization. As not only the quantity but also the quality of circulating antibodies is important for protection, we assessed whether ma...

journal_title：Virulence

authors： Caboré RN,Maertens K,Dobly A,Leuridan E,Van Damme P,Huygen K

更新日期：2017-10-03 00:00:00

abstract：:Th1-polarized host response, mediated by IFN-γ, has been associated with increased severity of periodontal disease as well as control of periodontal infection. The functional polymorphism TBX21-1993T/C (rs4794067) increases the transcriptional activity of the TBX21 gene (essential for Th1 polarization) resulting in a ...

journal_title：Virulence

authors： Cavalla F,Biguetti CC,Colavite PM,Silveira EV,Martins W Jr,Letra A,Trombone AP,Silva RM,Garlet GP

更新日期：2015-01-01 00:00:00

abstract：:A number of abundant mobile genetic elements called retrotransposons reverse transcribe RNA to generate DNA for insertion into eukaryotic genomes. Non-long-terminal repeat (non-LTR) retrotransposons represent a major class of retrotransposons, and transposons that move by target-primed reverse transcription lack LTRs ...

journal_title：Virulence

authors： Jiang J,Zhao L,Yan L,Zhang L,Cao Y,Wang Y,Jiang Y,Yan T,Cao Y

更新日期：2014-02-15 00:00:00

abstract：:The hemagglutinin (HA) proteins derived from avian influenza viruses bind specifically to the α2-3 sialoglycan (Sia glycan), whereas human-adapted influenza viruses prefer to bind to the α2-6 Sia glycan. A switch of glycan specificity from α2-3 Sia glycan to α2-6 Sia glycan appears to be critical for a virus to become...

journal_title：Virulence

authors： Suenaga E,Mizuno H,Kumar PK

更新日期：2012-08-15 00:00:00

abstract：:A new hypervirulent (hypermucoviscous) variant of Klebsiella pneumoniae has emerged. First described in the Asian Pacific Rim, it now increasingly recognized in Western countries. Defining clinical features are the ability to cause serious, life-threatening community-acquired infection in younger healthy hosts, includ...

journal_title：Virulence

authors： Shon AS,Bajwa RP,Russo TA

更新日期：2013-02-15 00:00:00