نتایج جستجو برای: salmonella enterica serovar typhi
تعداد نتایج: 40882 فیلتر نتایج به سال:
A total of 310 Salmonella isolates were isolated from 6 broiler farms in Eastern China, serotyped according to the Kauffmann-White classification. All isolates were examined for susceptibility to 17 commonly used antimicrobial agents, representative isolates were examined for resistance genes and class I integrons using PCR technology. Clonality was determined by pulsed-field gel electrophoresi...
BACKGROUND S. Typhi, a human-restricted Salmonella enterica serovar, causes a systemic intracellular infection in humans (typhoid fever). In comparison, S. Typhimurium causes gastroenteritis in humans, but causes a systemic typhoidal illness in mice. The PhoP regulon is a well studied two component (PhoP/Q) coordinately regulated network of genes whose expression is required for intracellular s...
INTRODUCTION Non-typhi Salmonella species cause severe extra-intestinal focal infection after occult bacteremia. Although the number of cases of non-typhi salmonellosis is increasing worldwide among patients with immunocompromising conditions such as human immunodeficiency virus infection, infection is uncommon in immunocompetent subjects. We report a case of septic arthritis and bone abscess d...
BACKGROUND In low resource settings, Salmonella serovars frequently cause bloodstream infections. This study investigated the diagnostic performance of immunochromatographic rapid diagnostic tests (RDTs), which detect Salmonella antigens, when applied to stored grown blood culture broth. MATERIAL/METHODS The SD Bioline One Step Salmonella Typhi Ag Rapid Detection Kit (Standard Diagnostics, Re...
BACKGROUND Typhoid fever is the persistent cause of morbidity worldwide. Salmonella enterica serovar's carriers among food handlers have the potential to disseminate this infection on large scale in the community. The purpose of this study was to determine the prevalence of typhoidal S. enterica serovars among food handlers of Karachi. METHODS This cross-sectional study was conducted in Karac...
CD18 expressing phagocytes associated with the gastro-intestinal (GI) epithelium can shuttle Salmonella directly into the bloodstream within a few minutes following microbial ingestion. We have previously demonstrated that Salmonella controls the CD18 pathway to deeper tissue, manipulating the migratory properties of infected cells as an unappreciated component of its pathogenesis. We have obse...
Salmonella enterica serovar Enteritidis has remained a major food-borne pathogen in humans. We isolated a virulent S. enterica serovar Enteritidis bacteriophage, SE2, which belongs to the family Siphoviridae. Phage SE2 could lyse S. enterica serovar Enteritidis PT-4, and its virulence was maintained even at ambient temperature. The genomic sequence of phage SE2 was composed of 43,221 bp with cl...
A novel Salmonella serovar was isolated from Peregrine falcon (Falco peregrinus) nestlings in northern Sweden in 2006. Three isolates of the same clone was retrieved from three falcon siblings and characterized as Salmonella enterica sub-species enterica: O-phase 13, 23:-: e, n, z 15 and the H-phase was not present. We propose the geographical name Salmonella enterica, sub-species enterica sero...
The population of Salmonella enterica serovar Typhi (S. Typhi), the causative agent of typhoid fever, exhibits limited DNA sequence variation, which complicates efforts to rationally discriminate individual isolates. Here we utilize data from whole-genome sequences (WGS) of nearly 2,000 isolates sourced from over 60 countries to generate a robust genotyping scheme that is phylogenetically infor...
SCharacterization of an Acid-Inducible Sulfatase in Salmonella enterica serovarTyphimurium LT2.113 ASM General Meeting, Denver, Colorado 2013.OmpR Regulates the Acid Inducible Arylsulfatase AslA in Salmonella enterica serovarTyphimurium LT2, 72 Annual Meeting of the North Central Branch American Societyfor Microbiology, Fargo, North Dakota, 2012.Genetic Regulation of Ary...
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