Chanchaithong, Pattrarat; Prapasarakul, Nuvee; Perreten, Vincent; Schwendener, Sybille (2016). Characterization of a Novel Composite Staphylococcal Cassette Chromosome mec in Methicillin-Resistant Staphylococcus pseudintermedius from Thailand. Antimicrobial agents and chemotherapy, 60(2), pp. 1153-1157. American Society for Microbiology 10.1128/AAC.02268-15
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A novel staphylococcal cassette chromosome mec (SCCmec) composite island (SCCmecAI16-SCCczrAI16-CI) was identified in Staphylococcus pseudintermedius. Four integration site sequences for SCC subdivided the 60,734-bp island into 41,232-bp SCCmecAI16, 19,400-bp SCCczrAI16, and 102-bp SCC-likeAI16 elements. SCCmecAI16 represents a new combination of ccrA1B3 genes with a class A mec complex. SCCczrAI16 contains ccrA1B6 and genes related to restriction modification and heavy metal resistance. SCCmecAI16-SCCczrAI16-CI was found in methicillin-resistant S. pseudintermedius sequence type 112 (ST112) and ST111 isolated from dogs and veterinarians in Thailand.