Indian J Microbiol https://doi.org/10.1007/s12088-018-0745-x SHORT COMMUNICATIONS Genotyping of Antimicrobial Resistance and Virulence in Staphylococcus Isolated from Food of Animal Origin in Mexico 1 1 2 • • • Yosainix C. Gaerste-Dı´az Patricia Lozano-Zarain Carmen Torres 3 1 Numa P. Castro Gonza´lez Rosa del C. Rocha-Gracia Received: 16 February 2018 / Accepted: 24 May 2018 Association of Microbiologists of India 2018 Abstract Ninety-six methicillin-susceptible Staphylococ- Keywords Animal food Staphylococci Resistance cus aureus (MSSA) and 11 methicillin-resistant coagulase- Virulence Methicillin-resistant negative-coagulase negative staphylococci (MRCNS) were recovered from Staphylococci food of animal origin. Multi-drug resistance was detected in 34.1% of isolates. Tetracycline-resistant staphylococci Staphylococcus aureus and coagulase-negative staphylo- harbored tetK gene (68.8%). Erythromycin/clindamycin- cocci (CNS) form part of the natural microbiota of humans resistant staphylococci carried lnuA/lnuB genes frequently and animals, but are also are opportunistic pathogens . alone or combined with msrA gene. The sec gene was The presence of mecA gene, located in the staphylococcal detected in 15.6% of MSSA and two isolates harbored the chromosomal cassette (SCCmec), deﬁnes methicillin-re- immune evasion cluster. The spa t337 predominated sistant Staphylococci [S. aureus (MRSA) and CNS among MSSA strains. Two ermC-positive MRCNS isolates (MRCNS)], and compromises the effectiveness of
Indian Journal of Microbiology – Springer Journals
Published: May 30, 2018
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