Tetracycline resistance determinants among streptococci of serological group G and L
1995
Schwarz, Stefan | Soedarmanto, I. | Liebisch, Babett | Lämmler, C.
allemand. In the present study, 56 streptococci of serological groups G and L isolated from various animal species and from humans were investigated for tetracycline and minocycline resistance and for the presence of genes conferring this combined resistance. Among the 45 group G streptococci, 2 isolates from dogs, 3 from cattle and 2 from humans, respectively, as well as all 11 group L streptococci isolated from cattle, pigs or poultry were resistant to tetracycline and simultaneously to minocycline. The restriction endonuclease digested and blotted DNA-preparation of the tetracycline- and minocycline resistant group G streptococci from dogs and humans hybridized with the tet(M) gene probe, those from bovines with the tet(O) gene probe. Six group L streptococci carried the gene tet(M), whereas 5 isolates harboured the gene tet(O). The tet(M)- and tet(O) gene probes recognized complementary sequences on EcoRI-fragments of various sizes.
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Editeur Elsevier Science
ISSN 1873-2542 | 0378-1135Cette notice bibliographique a été fournie par Thünen-Institut
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