Abstract
We examined the resistance phenotype and the genetic basis of lincosamide modification in 25 clinical isolates of Staphylococcus spp. inactivating lincomycin and clindamycin. The strains were resistant to high levels of lincomycin but remained susceptible to clindamycin. However, MBCs and inoculum effects showed that the activity of clindamycin was impaired. The distribution in these strains of nucleotide sequences related to linA and linA', the genes encoding lincosamide nucleotidylation in Staphylococcus haemolyticus BM4610 and S. aureus BM4611, respectively, was studied by dot blot hybridization. The genes responsible for lincosamide inactivation in Staphylococcus spp. were found to constitute a family of related sequences which are not species specific.
MeSH Terms
Anti-Bacterial Agents/metabolism
Culture Media
DNA, Bacterial/biosynthesis
Drug Resistance, Microbial
Lincosamides
Macrolides
Nucleic Acid Hybridization
Phenotype
Staphylococcus/genetics,metabolism
Chemicals
Anti-Bacterial Agents
Culture Media
DNA, Bacterial
Lincosamides
Macrolides
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Leclercq R
Service de Bactériologie-Virologie, Hôpital Henri Mondor, Université Paris XII, Créteil, France.
Brisson-Noël A
Duval J
Courvalin P
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