Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P01034 (cystatin C)
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Thirty-two strains of thermophilic campylobacters isolated from marine recreational water and seven reference strains were biotyped and analysed by chromosomal DNA HaeIII ribopatterns and AP-PCR profiles based on a random 10-mer primer (5'-CAA TCG CCG T-3'). The majority of seawater isolates (90%) were Campylobacter coli, and three strains were Camp. jejuni. Southern blot hybridization analysis showed differences between the strains, and in a numerical analysis three main clusters were formed at the 45% similarity level, that corresponded to Camp. jejuni subsp. jejuni, Camp. coli, and a combination of Camp. coli and Camp. jejuni subsp. doylei. AP-PCR profiles also differentiated between the species but were less discriminatory than ribotyping because six strains (17%) could not be typed by this method. Numerical analysis gave four main clusters at the 45% similarity level, corresponding to Camp. jejuni subsp. jejuni, Camp. coli (two clusters) and Camp. lari. The study shows that strains within each species are diverse genomically. Both molecular methods were highly discriminatory, although some strains with identical ribotypes could be distinguished by AP-PCR, and they are valuable new alternatives to traditional typing in epidemiological studies of environmental campylobacters.
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PMID:Ribotypes and AP-PCR fingerprints of thermophilic campylobacters from marine recreational waters. 864 12