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The aim of this study was to determine the prevalence, antimicrobial resistance and molecular epidemiology of Campylobacter coli isolated from swine in China. A total of 190 C. coli isolates obtained from two slaughter houses and ten conventional pig farms in Shandong (SD, n = 95) and Ningxia (NX, n...
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Campylobacter jejuni is a leading foodborne pathogen causing gastroenteritis in humans. Although OxyR is a widespread oxidative stress regulator in many Gram-negative bacteria, C. jejuni lacks OxyR and instead possesses the metalloregulator PerR. Despite the important role played by PerR in oxidativ...
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CosR (Campylobacter oxidative stress regulator; Cj0355c) is an OmpR-type response regulator essential for the viability of Campylobacter jejuni, a leading foodborne pathogen causing human gastroenteritis worldwide. Despite importance, the function of CosR remains completely unknown mainly because of...
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The article discusses a study by Jiae Yun and colleagues conducted to examine the roles of RpoN in the resistance of Campylobacter jejuni (C. jejuni) under various stress conditions, published in the current issue of the journal. Survivability of an rpoN mutant was compared with the wild-type C. jej...
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Objectives: Methods: Results: Conclusions: The aim of this study was to investigate the feasibility and efficacy of antisense-mediated gene silencing by peptide nucleic acid (PNA) for specific inactivation of the CmeABC multidrug efflux transporter in Campylobacter jejuni.PNA was designed to bind to...
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Campylobacter is a leading foodborne bacterial pathogen, which causes gastroenteritis in humans. This pathogenic organism is increasingly resistant to antibiotics, especially fluoroquinolones and macrolides, which are the most frequently used antimicrobials for the treatment of campylobac...
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Arsenic is commonly present in the natural environment and is also used as a feed additive for animal production. Poultry is a major reservoir for Campylobacter jejuni, a major food-borne human pathogen causing gastroenteritis. It has been shown that Campylobacter isolates from poultry are highly re...
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Human campylobacterosis is one of the most commonly occurring types of bacterial food poisoning in the United States and other developed countries. Most human cases are due to Campylobacter jejuni that is commonly found in the gastrointestinal tract of chickens. The twin-arginine translocase (TAT) s...
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Campylobacter jejuni, an important food-borne human pathogen, is increasingly resistant to antimicrobials. Natural transformation is considered to be a main mechanism for mediating the transfer of genetic materials encoding antibiotic resistance determinants in C. jejuni, but direct evidence for thi...
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Quorum sensing is a type of bacterial communication mediated by chemical signaling molecules called autoinducers (AIs). The production of AI-2 and AI-3 is dependent on the luxS gene in Escherichia coli O157:H7. A luxS mutation caused a minimal decrease (about 2-fold) in Shiga toxin (Stx) production ...
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The global regulator Mlc is a repressor of several genes and operons that are involved in sugar uptake and metabolism. A Salmonella enterica serovar Typhimurium mlc mutant showed reduced levels of invasion and cytotoxicity compared to the wild-type, and exhibited reduced expression levels of hilD, h...
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Campylobacter jejuni is an important bacterial pathogen causing gastroenteritis in humans. C. jejuni is capable of natural transformation, which is considered a major mechanism mediating horizontal gene transfer and generating genetic diversity. Despite recent efforts to elucidate the transformation...
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Some bacteria can communicate with other species of bacteria by means of autoinducer-2 (AI-2)-mediated quorum sensing. In this study, we demonstrated that AI-2-mediated quorum sensing influences the transcription of flaA, the major flagellin gene in Campylobacter jejuni. A null mutation of luxS in C...