Antimicrobial resistance of Staphylococcus pseudintermedius
2012
Kadlec, Kristina | Schwarz, Stefan
Staphylococcus pseudintermedius, Staphylococcus intermedius and Staphylococcus delphini together comprise the S. intermedius group (SIG). Within the SIG, S. pseudintermedius represents the major pathogenic species and is involved in a wide variety of infections, mainly in dogs, but to a lesser degree also in other animal species and humans. Antimicrobial agents are commonly applied to control S. pseudintermedius infections; however, during recent years S. pseudintermedius isolates have been identified that are meticillin‐resistant and have also proved to be resistant to most of the antimicrobial agents approved for veterinary applications. This review deals with the genetic basis of antimicrobial resistance properties in S. pseudintermedius and other SIG members. A summary of the known resistance genes and their association with mobile genetic elements is given, as well as an update of the known resistance‐mediating mutations. These data show that, in contrast to other staphylococcal species, S. pseudintermedius seems to prefer transposon‐borne resistance genes, which are then incorporated into the chromosomal DNA, over plasmid‐located resistance genes.
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