Reduction of Campylobacter jejuni colonization of chicks by cecum-colonizingbacteria producing anti-C.jejuni metabolites

Article Abstract:

Reduction of Campylobacter colonization in chicks by three bacteria was analyzed.These protective bacteria namely Klebsiella pneumoniae, Citrobacter diversus and Escherichia coli, were found to provide their protective effect by releasing anti-Campylobacter metabolites. They were also found to possess a characteristic similar to the pathogen in its ability to utilize mucin as its growth substrate. This characteristic enables them to suppress Campylobacter jejuni population in the intestines where the glycoprotein mucin is abundant.

Diseases, Bacteria, Bacterial adhesion, Campylobacter infections, Campylobacteriosis, Poultry, Animal carriers of disease, Animals as carriers of disease, Poultry diseases

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Real-time PCR quantification of human adenoviruses in urban rivers indicates genome prevalence but low infectivity

Article Abstract:

The first quantitative measurement of human adenovirus genomes in urban rivers and their statistical relationship to fecal indicator bacteria and coliphages is presented. The uncoupling between high-number genome copies of adenoviruses detected by real-time PCR and the absence of infectivity detected by tissue culture suggests that genome-based detection methods are inadequate for direct assessment of human health risk.

Science & research, Environmental aspects, Contamination, Microbial contamination, Adenoviruses, Human, Human adenoviruses, Freshwater ecosystems

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