Verapamil inhibits efflux pumps in Candida albicans, exhibits synergism with fluconazole, and increases survival of Galleria mellonella.

abstract：:Mucormycosis is an uncommon fungal infection that has been increasingly reported in severely immunocompromised patients receiving Aspergillus-active antifungals. Although clinical studies and pre-clinical animal models have suggested a unique predisposition for breakthrough mucormycoses in patients receiving voriconaz...

journal_title：Virulence

authors： Lewis RE,Liao G,Wang W,Prince RA,Kontoyiannis DP

更新日期：2011-07-01 00:00:00

abstract：:Francisella tularensis is a highly virulent bacterial pathogen that is easily aerosolized and has a low infectious dose. As an intracellular pathogen, entry of Francisella into host cells is critical for its survival and virulence. However, the initial steps of attachment and internalization of Francisella into host c...

journal_title：Virulence

authors： Moreau GB,Mann BJ

更新日期：2013-11-15 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：:Legionella pneumophila is the primary respiratory pathogen and mostly transmitted to human through water cooling systems and cause mild to severe pneumonia with high mortality rate especially in elderly both in hospitals and community. However, current Legionella risk assessments may be compromised by uncertainties in...

journal_title：Virulence

authors： Ahmadrajabi R,Shakibaie MR,Iranmanesh Z,Mollaei HR,Sobhanipoor MH

更新日期：2016-07-03 00:00:00

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：:Patients undergoing haematopoietic stem cell transplantation (HSCT) are highly exposed to infectious agents. However, it is not known why certain HSCT recipients rapidly develop severe infections while other, despite similar immunosuppressive conditions, do not. Increasing evidence suggests that such differences may b...

journal_title：Virulence

authors： Wójtowicz A,Bochud PY

更新日期：2016-11-16 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：:Human herpesviruses have latency and lytic replication phases in their lifecycle. Proper regulation of herpesviral lifecycle is essential for the evasion of host immune surveillance and development of their related diseases. Recent advancements indicate a role of a novel class of viral non-coding RNAs, microRNA (miRNA...

journal_title：Virulence

authors： Lei X,Bai Z,Ye F,Huang Y,Gao SJ

更新日期：2010-09-01 00:00:00

abstract：:The Gram-negative enteropathogen Yersinia pseudotuberculosis possesses a number of regulatory systems that detect cell envelope damage caused by noxious extracytoplasmic stresses. The CpxA sensor kinase and CpxR response regulator two-component regulatory system is one such pathway. Active Cpx signalling upregulates v...

journal_title：Virulence

authors： Thanikkal EJ,Gahlot DK,Liu J,Fredriksson Sundbom M,Gurung JM,Ruuth K,Francis MK,Obi IR,Thompson KM,Chen S,Dersch P,Francis MS

更新日期：2019-12-01 00:00:00

abstract：:Novel coronavirus disease 2019 (COVID-19), caused by novel coronavirus SARS-CoV-2, has spread globally since the end of 2019. Asymptomatic carriers are of great concern as they can undermine the interventions to stop the pandemic. However, there is limited information about the characteristics and outcomes of the asym...

journal_title：Virulence

authors： Yu C,Zhou M,Liu Y,Guo T,Ou C,Yang L,Li Y,Li D,Hu X,Shuai L,Wang B,Zou Z

更新日期：2020-12-01 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：: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 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：:Helicobacter pylori infection can result in non-ulcer dyspepsia (NUD), peptic ulcer disease (PUD), adenocarcinoma, and gastric lymphoma. H. pylori reside within the gastric mucus layer, mainly composed of mucins carrying an array of glycan structures that can serve as bacterial adhesion epitopes. The aim of the presen...

journal_title：Virulence

authors： Quintana-Hayashi MP,Rocha R,Padra M,Thorell A,Jin C,Karlsson NG,Roxo-Rosa M,Oleastro M,Lindén SK

更新日期：2018-01-01 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：:Legionella pneumophila, the causative agent of Legionnaires' disease, is widely distributed throughout natural and artificial water systems and can replicate in macrophages and amoebae. Amoebae are the natural hosts of L. pneumophila, whereas macrophages are incidentally infected. The life cycle of L. pneumophila comp...

journal_title：Virulence

authors： Mou Q,Leung PHM

更新日期：2018-01-01 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

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：:The Campylobacter jejuni N-linked protein glycosylation pathway produces a heptasaccharide that is added to >65 periplasmic and membrane proteins and is also released into the periplasm as the free oligosaccharide (fOS). The fOS is a novel soluble component of the C. jejuni periplasmic space that exists in 10-fold gre...

journal_title：Virulence

authors： Nothaft H,Liu X,Li J,Szymanski CM

更新日期：2010-11-01 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：: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：: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：:We recently developed a method that allows fast differentiation between Streptococcus pyogenes (GAS) strains. The method named phage profiling (PP) is based on a simple assumption that a regular PCR reaction with Taq polymerase and relatively short elongation time is not able to yield long DNA fragment, such as ~40-50...

journal_title：Virulence

authors： Borek AL,Obszańska K,Hryniewicz W,Sitkiewicz I

更新日期：2012-10-01 00:00:00

abstract：:The interaction between the fungal pathogen Paracoccidioides brasiliensis and host cells is usually mediated by specific binding events between adhesins on the fungal surface and receptors on the host extracellular matrix or cell surface. One molecule implicated in the P. brasiliensis-host interaction is the 14-3-3 pr...

journal_title：Virulence

authors： Marcos CM,Silva Jde F,Oliveira HC,Assato PA,Singulani Jde L,Lopez AM,Tamayo DP,Hernandez-Ruiz O,McEwen JG,Mendes-Giannini MJ,Fusco-Almeida AM

更新日期：2016-01-01 00:00:00

abstract：:Streptococcus agalactiae, or group B Streptococcus (GBS), infects diverse hosts including humans and economically important species such as cattle and fishes. In the context of human health, GBS is a major cause of neonatal infections and an emerging cause of invasive disease in adults and of foodborne disease in Sout...

journal_title：Virulence

authors： Six A,Krajangwong S,Crumlish M,Zadoks RN,Walker D

更新日期：2019-12-01 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：: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：:A greater ethical conscience, new global rules and a modified perception of ethical consciousness entail a more rigorous control on utilizations of vertebrates for in vivo studies. To cope with this new scenario, numerous alternatives to rodents have been proposed. Among these, the greater wax moth Galleria mellonella...

journal_title：Virulence

authors： Cutuli MA,Petronio Petronio G,Vergalito F,Magnifico I,Pietrangelo L,Venditti N,Di Marco R

更新日期：2019-12-01 00:00:00

abstract：:Novel approaches to treat carbapenem-resistant Acinetobacter baumannii (CRAB) infections are urgently needed and anti-virulence drugs represent promising alternatives, but our knowledge on potential targets is scarce. We searched for potential A. baumannii virulence factors by whole-genome sequencing-based comparisons...

journal_title：Virulence

authors： Labrador-Herrera G,Pérez-Pulido AJ,Álvarez-Marín R,Casimiro-Soriguer CS,Cebrero-Cangueiro T,Morán-Barrio J,Pachón J,Viale AM,Pachón-Ibáñez ME

更新日期：2020-12-01 00:00:00

abstract：:Cryptococcus neoformans: (H99W) was serially passaged in the invertebrate wax moth Galleria mellonella fifteen times to study how fungal virulence evolves under selection and whether those adaptations affect virulence. The G. mellonella passaged strain (P15) and the pre-passage H99W strains were used to infect three d...

journal_title：Virulence

authors： Merryman M,Crigler J,Seipelt-Thiemann R,McClelland E

更新日期：2020-12-01 00:00:00