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- Title
Characterization of Staphylococcus pseudintermedius Isolates from Skin Infections of Dogs.
- Authors
Varughese, Hridya Susan; Chitra, Murugesan Ananda
- Abstract
Background: Staphylococcus pseudintermedius is a part of the canine skin microflora and an opportunistic pathogen. It plays a central role in canine pyoderma, otitis and surgical wound infections. These conditions correlate with virulence genes distributed in the bacterial genome. These genes determine strain variability on typing, in turn aiding epidemiological surveillance. The aim of this study was to isolate, identify and characterize Staphylococcus pseudintermedius (SP) and Methicillin resistant Staphylococcus pseudintermedius (MRSP) from dogs with skin infections in Chennai, India. Methods: SP and MRSP positive isolates were identified by multiplex PCR for nuc and mecA genes respectively. Characterization of the isolates for virulence genes responsible for biofilm formation (icaA, icaD), cell wall adherence (SpsO, SpsK, SpsP, SpsQ, SpsF), toxins (ExpA, ExpB, SIET, Sel, Se-int, LukS, LukF) and gene regulation (Agr, SarA) was performed. Result: Out of 275 samples, 120 SP and 8 MRSP positive isolates were identified. Only one isolate could be typed as SCCmec Type V whereas other MRSP isolates were non typeable. Agr typing of MRSP isolates revealed type II in 7 isolates and type III in one isolate. Our study revealed that there was no significant difference in the detection of virulence genes between MSSP and MRSP.
- Subjects
SURGICAL site infections; BACTERIAL genomes; GENETIC regulation; SKIN infections; BACTERIAL genes
- Publication
Indian Journal of Animal Research, 2024, Vol 58, Issue 8, p1319
- ISSN
0367-6722
- Publication type
Article
- DOI
10.18805/IJAR.B-4560