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Identification of multiple-resistance (R) and colicinogeny (Col) plasmids in an epidemic Salmonella agona serotype in Rio de Janeiro

Published online by Cambridge University Press:  19 October 2009

Ana C. P. Vicente  and
D. F. de Almeida
Ana C. P. Vicente
Affiliation:
Laboratório de Fisiologia Celular, Instituto de Biofisica, Universidade Federal do Rio De Janeiro, 21.941, Rio de Janeiro, RJ, Brasil
D. F. de Almeida
Affiliation:
Laboratório de Fisiologia Celular, Instituto de Biofisica, Universidade Federal do Rio De Janeiro, 21.941, Rio de Janeiro, RJ, Brasil
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Summary

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A Salmonella agona strain has caused a hospital outbreak of gastroenteritis in a pediatric unit in Rio de Janeiro. It bears two plasmids, a small (6·5 MDa molecular weight) plasmid coding for type B colicin production and a larger one (36 MDa molecular weight) determining resistance to ampicillin, gentamicin, kanamycin and trimethoprim-sulphamethoxazole. The R-plasmid, but not the Col-plasmid, is self-transferable to a Escherichia coli recipient strain. Curing for the R-plasmid was achieved by treatment with 0·05 % SDS followed by incubation at 44°C. It has not been possible to cure the S. agona strain for its Col-plasmid.

Type
Research Article
Information
Journal of Hygiene , Volume 93 , Issue 1 , August 1984 , pp. 79 - 84
Copyright
Copyright © Cambridge University Press 1984

References

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