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Pulsed-field gel electrophoresis for sub-specific differentiation of Serpulina pilosicoli (formerly 'Anguillina coli')
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Pulsed-field gel electrophoresis for sub-specific differentiation of Serpulina pilosicoli (formerly 'Anguillina coli')

R.F. Atyeo, S.L. Oxberry and D.J. Hampson
FEMS Microbiology Letters, Vol.141(1), pp.77-81
1996
DOI: https://doi.org/10.1016/0378-1097(96)00212-1
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Abstract

Pulsed-field gel electrophoresis( PFGE) was developed for subspecific differentiation of Serpulina pilosicoli, and was applied to 52 isolates recovered from cases of intestinal spirochaetosis (IS) in pigs, dogs, human beings and various avian species. The technique was highly sensitive, differentiating the isolates into 40 groupings. Only six groups contained more than one isolate; in five of these groups isolates with the same banding pattern were either from pigs in the same herds (four groups), or from humans in the same community: the sixth group contained two identical Australian porcine isolates from unrelated herds in different states. Overall S. pilosicoli isolates were genetically diverse, but in some cases isolates cultured from the same or different animal species were closely related. This suggested the likelihood of cross-species transmission, including zoonotic spread. PFGE was a powerful tool for epidemiological studies of S. pilosicoli and also allowed examination of genetic relationships between isolates.

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