Identification of a novel plasmid-associated spectinomycin adenyltransferase gene spd in methicillin-resistant Staphylococcus aureus ST398 isolated from animal and human sources.

Abstract excerpt

OBJECTIVES: Previously described methicillin-resistant Staphylococcus aureus (MRSA) ST398 strains revealed a high frequency of phenotypic resistance to spectinomycin. However, only a few were found to carry the spc resistance determinant. The aim of this study was to identify the genetic mechanism of spectinomycin resistance among spc-negative MRSA ST398 strains. METHODS: Nine spectinomycin-resistant, but...

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