Genotypic insights to Panton–Valentine leukocidin positive methicillin-resistant Staphylococcus aureus isolated from cattle mastitis

In this research communication we investigate the prevalence and antimicrobial susceptibility of S. aureus harboring virulent genes responsible for mastitis in cattle of Punjab, Pakistan. A total of 690 milk samples were collected from commercial dairy farms for analysis of the prevalence of subclin...

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Bibliographic Details
Published in:Journal of dairy research 2024-05, Vol.91 (2), p.211-213
Main Authors: Ijaz, Muhammad, Ghumman, Nauman Zaheer, Javed, Muhammad Umar, Ahmed, Arslan, Rasheed, Hamza, Anwaar, Farwa, Sabir, Muhammad Jawad, Muzammil, Iqra
Format: Article
Language:English
Subjects:
Antibiotic resistance
Antibiotics
Antimicrobial agents
Cattle
Commercial farms
Cow's milk
Dairy farms
Dairy industry
Drug resistance
Food contamination & poisoning
Genes
Leukocidin
Linezolid
Mastitis
Maximum likelihood method
MecA protein
Methicillin
Milk
Phylogenetics
Sensitivity analysis
Software
Staphylococcus infections
Toxins
Tylosin
Virulence
β-Lactam antibiotics
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Summary:In this research communication we investigate the prevalence and antimicrobial susceptibility of S. aureus harboring virulent genes responsible for mastitis in cattle of Punjab, Pakistan. A total of 690 milk samples were collected from commercial dairy farms for analysis of the prevalence of subclinical and clinical mastitis and isolation of S. aureus. Virulence ability and methicillin resistance in S. aureus (MRSA) was determined by targeting the pvl (the gene for Panton–Valentine leukocidin) and mecA genes, respectively. A total of 175 S. aureus isolates exhibiting prevalence of pvl gene (6.28%) and mecA gene (22.28%) were determined. Antimicrobial susceptibility testing of pvl positive and negative MRSA against different classes of antibiotics revealed 100% resistance against β-lactams while 100% sensitivity towards tylosin and linezolid.
ISSN:0022-0299
1469-7629
DOI:10.1017/S0022029924000244