Characterisation of Food Associated Bacteria by DNA based Methods, with Special Reference to Enterobacteriaceae
Popular Abstract in Swedish Vissa E. coli bakterier kan vara utrustad med arvsanlag (gener) som kodar för vidhäftningsfaktorer, som gör att den kan binda till tarmslemhinnan, eller toxiner som kan orsaka olika typer av tarmsjukdom som diarré. En annan faktorer som kan bidra till att en bakterie kan orsaka infektion är genkassetter, som kodar för en rad av olika gener, som t.ex för upptag av järn, The presence of genes in food, encoding some virulence factors, was studied by PCR, and species of Enterobacteriaceae, associated with food, were studied by the DNA-based methods of TTGE, ribotyping and sequencing. The flora of fresh and chill-stored pork were analysed by a culture-independent approach, using specific amplification of 16S rRNA genes followed by cloning and sequencing. No evidence