Allelic Polymorphism of the tet(M) Determinant in Mycoplasma hominis and Ureaplasma urealyticum Clinical Isolates Resistant to Tetracyclines

Allelic Polymorphism of the tet(M) Determinant in Mycoplasma hominis and Ureaplasma urealyticum... Of the 130 clinical isolates of Mycoplasma hominisfrom patients with nonspecific inflammatory diseases of the urogenital tract (UGT), approximately 10% contained the tet(M) gene after the course of treatment with tetracyclines. This gene was found in nine (25%) of the 36 Ureaplasma urealyticum clinical isolates. The nucleotide sequence of 13 tet(M) genes in TcR clinical isolates ofM. hominis and five genes in U. urealyticum TcR clinical isolates was determined. A comparison of nucleotide sequences of eight tetM genes of different origin and tet(M) genes ofGardnerella vaginalis and M. hominis and U. urealyticumclinical isolates showed that the mosaic structure of thetet(M) gene is completely identical in 11 of 13 M. hominis TcRisolates but belongs to an unidentified allele different from those described earlier. Another new allelic variant oftet(M) was found in two isolates. In three of five TcR clinical isolates of U. urealyticum, a tet(M) gene, whose mosaic structure was identical to that of tet(M) reported previously for ureaplasmas, and also two new allelic variants, which have not been described so far, were found. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Allelic Polymorphism of the tet(M) Determinant in Mycoplasma hominis and Ureaplasma urealyticum Clinical Isolates Resistant to Tetracyclines

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Publisher
Springer Journals
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1021138809273
Publisher site
See Article on Publisher Site

Abstract

Of the 130 clinical isolates of Mycoplasma hominisfrom patients with nonspecific inflammatory diseases of the urogenital tract (UGT), approximately 10% contained the tet(M) gene after the course of treatment with tetracyclines. This gene was found in nine (25%) of the 36 Ureaplasma urealyticum clinical isolates. The nucleotide sequence of 13 tet(M) genes in TcR clinical isolates ofM. hominis and five genes in U. urealyticum TcR clinical isolates was determined. A comparison of nucleotide sequences of eight tetM genes of different origin and tet(M) genes ofGardnerella vaginalis and M. hominis and U. urealyticumclinical isolates showed that the mosaic structure of thetet(M) gene is completely identical in 11 of 13 M. hominis TcRisolates but belongs to an unidentified allele different from those described earlier. Another new allelic variant oftet(M) was found in two isolates. In three of five TcR clinical isolates of U. urealyticum, a tet(M) gene, whose mosaic structure was identical to that of tet(M) reported previously for ureaplasmas, and also two new allelic variants, which have not been described so far, were found.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 13, 2004

References

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