[Characterization of batumin resistant variants of Staphylococcus aureus clinical isolates]. 2009

L N Churkina, and S I Bidnenko, and L V Avdeeva, and L V Iaroshenko

Population analysis of 20 batumin susceptible staphylococcal strains, isolated from clinical materials allowed to detect resistant clones only in 3 strains. The frequency of batumin resistant variants isolation was low and depended on the antibiotic concentration. Resistance to batumin in 5 clinical strains and in 1 reference strain of Staphylococcus aureus ATCC 6538 P (209P) developed under laboratory conditions and induced significant phenotypic and chemotaxonomic changes in the pathogen. The variants, resistant to batumin, had the same degree of virulence for mice as the initial susceptible strain. The batumin resistant variants of S. aureus were unstable and on the medium without batumin completely restored their initial phenotype.

UI MeSH Term Description Entries
D009930 Organic Chemicals A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. Organic Chemical,Chemical, Organic,Chemicals, Organic
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013211 Staphylococcus aureus Potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. They may cause a wide range of infections and intoxications.
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D024881 Drug Resistance, Bacterial The ability of bacteria to resist or to become tolerant to chemotherapeutic agents, antimicrobial agents, or antibiotics. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS). Antibiotic Resistance, Bacterial,Antibacterial Drug Resistance

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