نتایج جستجو برای: salmonella enterica
تعداد نتایج: 38633 فیلتر نتایج به سال:
We report emergence of ciprofloxacin-resistant Salmonella enterica serovar Kentucky in Canada during 2003-2009. All isolates had similar macrorestriction patterns and were multilocus sequence type ST198, which has been observed in Europe and Africa. Ciprofloxacin-resistant S. enterica serovar Kentucky represents 66% of all ciprofloxacin-resistant nontyphoidal Salmonella sp. isolates observed in...
In 2013, a multistate outbreak of Salmonella enterica subsp. enterica serovar Saintpaul from cucumber caused 84 cases of salmonellosis in the United States. In this announcement, we report the complete genome sequences of three clinical Salmonella Saintpaul isolates associated with the 2013 outbreak.
The genome sequencing of 13 Salmonella enterica subsp. enterica serovar Lubbock strains isolated from liver abscesses of feedlot cattle is reported here. The availability of these genomes will help to further understand the etiologic role of Salmonella strains in liver abscesses of cattle and will serve as references in microbial trace-back studies to improve food safety.
The Lilleengen type (LT) collection of Salmonella enterica serovar Typhimurium strains has served the scientific community as a group of model organisms for basic genetic and biochemical pathway research. Here, we report the whole-genome shotgun sequences of Salmonella enterica serovar Typhimurium strains LT1, LT18, LT19, LT20, LT21, and LT22.
MarA and its homologue, RamA, have been implicated in multidrug resistance (MDR). RamA overexpression in Salmonella enterica serovar Typhimurium and Escherichia coli conferred MDR independently of marA. Inactivation of ramA did not affect the antibiotic susceptibilities of wild-type S. enterica serovar Typhimurium or 15 unrelated clinical MDR isolates. Thus, ramA overexpression is not a common ...
conclusions the results indicate that multidrug-resistant (mdr) strains of salmonella are increasing in number, and fewer antibiotics may be useful for treating s. enterica infections. routine investigation and reporting of antibiotic mics in patients presenting with salmonella infections is suggested. results of the total 19 salmonella spp. isolates recovered by the bactec automated system, al...
OBJECTIVES The aim of this study was to identify chromosomally integrated genes conferring multidrug resistance to a Salmonella enterica (S.) serotype Typhimurium isolate, phage type DT193, isolated in Ireland and to compare them with resistance genes conferring plasmid-mediated multidrug resistance to a S. Enteritidis isolate from Italy. METHODS A complete DNA sequence of the regions contain...
Global gene expression of the invasive Salmonella serovars S. Enteritidis and S. Typhimurium, and the less-invasive S. Infantis and S. Hadar was studied during infection of a chicken macrophage cell line. Major functional gene groups responsible for intracellular physiological changes were regulated similarly in all four serovars. However, SPI1 and SPI4 genes of S. Enteritidis and S. Typhimuriu...
Background Invasive non-typhoidal Salmonella (iNTS) disease is a well-described cause of mortality in children and human immunodeficiency virus (HIV)-infected adults in sub-Saharan Africa. Additionally, there is an ill-defined burden of iNTS disease in Southeast Asia. Methods Aiming to investigate the causative serovars of non-invasive and iNTS disease and their associated antimicrobial susce...
The aim of the study was to elucidate the association between the zoonotic pathogen Salmonella and a population of land iguana, Colonophus subcristatus, endemic to Galápagos Islands in Ecuador. We assessed the presence of Salmonella subspecies and serovars and estimated the prevalence of the pathogen in that population. Additionally, we investigated the genetic relatedness among isolates and se...
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