Nonconjugative R plasmid-mediated antibiotic resistance in Escherichia coli isolated from animals in Peninsular Malaysia

Koh, C.L.; Kok, C.H.

Southeast Asian Journal of Tropical Medicine and Public Health 15(3): 313-316

1984


ISSN/ISBN: 0125-1562
PMID: 6395350
Document Number: 233429
Four of the five veterinary E. coli strains, which were unable to transfer their antibiotic resistance by conjugation, were found to harbour plasmids. Evidence from transformation, agarose gel electrophoresis and curing experiments showed that in strains KE-3, KE-4 and KE-14 a nonconjugative R plasmid carried the gene for resistance to tetracycline. The plasmids in KE-9 were cryptic.

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