نتایج جستجو برای: campylobacter jejuni
تعداد نتایج: 9538 فیلتر نتایج به سال:
The presence of 11 virulence-associated genes in Campylobacter jejuni isolated from chickens at different stages of their development was examined by PCR. Multiple groups of C. jejuni were colonized in one chicken at the same time. Two hundred thirty one C. jejuni in total were isolated from the same group at four different ages and 12 groups of C. jejuni possessing of 11 virulence-associated g...
In this study, we evaluated the ability of different Campylobacter phenotypes (biofilm versus planktonic) to colonize young poultry. It has been suggested that a persistent Campylobacter biofilm reservoir may be involved in the initial contamination of poultry flocks. Campylobacter jejuni cultured adherent to agar was utilized as the biofilm model and C. jejuni cultured in broth was evaluated a...
The genetic diversity of Campylobacter jejuni and Campylobacter coliisolates from commercial broiler farms was examined by multilocus sequence typing (MLST), with an assessment of the impact of the sample type and laboratory method on the genotypes of Campylobacter isolated. A total of 645C. jejuniand 106C. coli isolates were obtained from 32 flocks and 17 farms, with 47 sequence types (STs) id...
Outer membrane proteins of Campylobacter jejuni and other campylobacter species were analyzed for their antigenic potentials by immunoblotting. Polypeptides were resolved by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, transferred electrophoretically, and reacted with rabbit antisera to C. jejuni. Each Campylobacter species analyzed demonstrated a unique outer membrane protein ant...
CONTEXT Acute pancreatitis has occasionally been reported in association with Campylobacter jejuni infection in humans. However, the mechanism linking Campylobacter jejuni infection and pancreatitis is unclear. Acute pancreatitis in association with an infectious illness may be related to underlying genetic mutations. For instance, studies show that mutations in the cystic fibrosis transmembran...
Campylobacter is a food-borne zoonotic pathogen that causes human gastroenteritis worldwide. Campylobacter bacteria are commensal in the intestines of many food production animals, including ducks and chickens. The objective of the study was to determine the prevalence of Campylobacter species in domestic ducks, and the agar dilution method was used to determine resistance of the isolates to ei...
Water samples were taken systematically from a 100-km2 area of mainly dairy farmland in northwestern England and examined for Campylobacter spp. Pulsed-field gel electrophoresis-restriction fragment length polymorphism (PFGE-RFLP) and flaA strain typing of Campylobacter jejuni and Campylobacter coli isolates were done. Data on the water source and the adjacent environment were recorded and exam...
objectives in this study, we aimed to determine the prevalence of the species of campylobacter. jejuni in zahedan, a major city in southeastern iran. patients and methods fecal samples from 164 patients with acute diarrhea from zahedan hospitals were collected from 2011 to 2013. then the samples were streaked onto a campylobacter selective agar containing supplement and 7% defibrinated sheep bl...
Campylobacter jejuni, a gram-negative spiral shaped bacterium, is a frequent cause of gastrointestinal food-borne illness in humans throughout the world. Illness with C. jejuni ranges from mild to severe diarrheal disease. This article focuses on Campylobacter virulence determinants and their potential role in the development of C. jejuni-mediated enteritis. A model is presented that diagrams t...
A total of 191 Campylobacter jejuni and 125 Campylobacter coli were isolated from the intestinal content of 398 chickens, 421 cattle, and 203 pigs. All 108 chicken isolates and 73 of 80 cattle isolates were C. jejuni, but 115 of the 118 pig isolates were C. coli. A total of 84% of the C. jejuni and 64% of the C. coli isolates were typed on the basis of thermostable antigens with 20 antisera pre...
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