Genomic relatedness within five common Finnish Campylobacter jejuni pulsed-field gel electrophoresis genotypes studied by amplified fragment length polymorphism analysis, ribotyping, and serotyping

Article Abstract:

A study from Finland shows that Campylobacter jejuni strains that infection both chickens and humans are genetically related. This indicates either a common infection source or the transmission of C. jejuni from animals to humans via the food chain, contaminated drinking water, or direct contact with animals.

Finland

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Longitudinal study of Finnish Campylobacter jejuni and C.coli isolates from humans, using multilocus sequence typing, including comparison with epidemiological data and isolates from poultry and cattle

Article Abstract:

The analysis of isolates of Campylobacter jejuni and Campylobacter coli from humans along with the isolates from poultry samples was carried out by multilocus sequence typing. The infections from new strains were found to be associated with the swimming and drinking water from natural water bodies and some like ST-45 with the contacts with pets.

Science & research, Physiological aspects, Bacterial infections, Poultry, Poultry (Animals)

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Stability of related human and chicken Campylobacter jejuni genotypes after passage through chick intestine studied by pulsed-field gel electrophoresis

Article Abstract:

The genomic stability of Campylobacter jejuni isolates consisting of two groups of human and chicken intestines is investigated based on the analysis of their pulsed-field gel electrophoresis patterns after passage through newly hatched chicks' intestines. The stability of the patterns of SmaI, SalII and SacII digests is steady after intestinal passage except for those of two strains. Results also show that genomic rearrangement, as reflected by changed pulsed-field gel electrophoresis and ribopatterns, may take place during intestinal colonization.

Usage, Intestines, Gel electrophoresis, Intestinal microbiology

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