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. 1990 Feb;34(2):261–264. doi: 10.1128/aac.34.2.261

Genetic basis of tetracycline resistance in urogenital bacteria.

M C Roberts 1, S L Hillier 1
PMCID: PMC171569  PMID: 2327774

Abstract

The distributions of the nucleotide sequences related to the tetracycline resistance determinants Tet K, Tet L, Tet M, and Tet O were studied by dot blot hybridization with randomly chosen clinical urogenital tract isolates of viridans group streptococci, Streptococcus agalactiae, Enterococcus faecalis, Gardnerella vaginalis, Lactobacillus spp., Fusobacterium nucleatum, Peptostreptococcus spp., and Veillonella parvula. Among the Peptostreptococcus spp., 79% of the isolates hybridized with one (64%) or more (36%) of the probes for Tet K (27%), Tet L (30%), Tet M (75%) and Tet O (13%). Of the viridans group streptococci, 82% of the strains hybridized with one (34%) or more (66%) of the four probes. The distribution of the four determinants in this group was as follows: Tet K, 36%; Tet L, 31%; Tet M, 43%; Tet O, 61%. Twenty-nine percent of the enterococci and forty-six percent of the group B streptococci hybridized with the probes; however, the Tet K, Tet L, and Tet O determinants were found in only a few strains, while the Tet M determinant predominated. A total of 29% of the F. nucleatum isolates, 55% of the G. vaginalis isolates, and 26% of the V. parvula isolates hybridized with the Tet M determinant. In contrast, 43% of the Lactobacillus spp. hybridized with the Tet O determinant. The data indicate that tetracycline resistance determinants are common to many of the microorganisms isolated from the urogenital tract.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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