نتایج جستجو برای: salmonella
تعداد نتایج: 38520 فیلتر نتایج به سال:
background : the aim of this study was to compare the antimicrobial activity of watermelon juice probioticated using different strains of lactobacilli against salmonella typhi murium. methods : probioticated watermelon juice was produced using four strains of lactobacilli (lactobacillus casei, l. acidophillus, l. fementum and l. plantarum ). the watermelon juice was pasteurized for 30 minutes...
An Au-on-Au tip sensor is developed for the detection of Salmonella typhimurium (Salmonella), using a new synthetic nucleic acid probe (NAP) as linker immobilization DNA-conjugated Au nanoparticle (AuNP) onto DNA-attached thin layer inside pipette tip. In presence Salmonella, RNase H2 from (STH2) cleaves NAP and freed AuNP can be visually detected by paper strip. This portable biosensor does no...
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...
Three new Salmonella serotypes belonging to Kauffmann's subgenus I (F. Kauffmann, The Bacteriology of Enterobacteriaceae, 1966) were identified. These serotypes were Salmonella brazos 6,14,18:a:e,n,z15, Salmonella midway 6,14,24:d:1,7, and Salmonella balboa 48a, 48b:z41:monophasic.
OBJECTIVES To investigate the association between the presence of a genetic island inserted within the sapABCDF operon of Salmonella Typhi and the susceptibility to antimicrobial peptides. METHODS Genetics and bioinformatics approaches were used to study the genomic organization of the sap operon of Salmonella Typhi and several serovars of Salmonella enterica. PCR was used to confirm the info...
The current study investigated the effect of environmental stressors (i.e., weather changes) on Salmonella shedding in free-range production systems and the correlations with behavioral and physiological measures (i.e., fecal glucocorticoid metabolites). This involved longitudinal and point-in-time surveys of Salmonella shedding and environmental contamination on four commercial free-range laye...
The purpose of this study was to determine the efficacy of a portable real-time PCR system in detecting Salmonella spp. in raw milk. The 200 bulk milk samples chosen for this study constituted a subset of the samples for a larger study; this subset contained 24 samples that were culture positive for Salmonella and 176 that were culture negative. Milk was both plated directly on selective agar a...
The porcine response to Salmonella infection is critical for control of Salmonella fecal shedding and the establishment of Salmonella carrier status. In this study, 40 crossbred pigs were intranasally inoculated with Salmonella enterica serovar Typhimurium (Salmonella Typhimurium) and monitored for Salmonella fecal shedding and blood immune parameters at 2, 7, 14 and 20 days post-inoculation (d...
Salmonella enterica is among the most burdensome of foodborne disease agents. There are over 2,600 serovars that cause a range of disease manifestations ranging from enterocolitis to typhoid fever. While there are two vaccines in use in humans to protect against typhoid fever, there are none that prevent enterocolitis. If vaccines preventing enterocolitis were to be developed, they would likely...
BACKGROUND The probiotic Escherichia coli strain Nissle 1917 (EcN) has been shown to interfere in a human in vitro model with the invasion of several bacterial pathogens into epithelial cells, but the underlying molecular mechanisms are not known. METHODOLOGY/PRINCIPAL FINDINGS In this study, we investigated the inhibitory effects of EcN on Salmonella Typhimurium invasion of porcine intestina...
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