Synergy in penicillin, cephalosporin, amphenicols, and aminoglycoside against MDR S. aureus isolated from Camel milk



Título del documento: Synergy in penicillin, cephalosporin, amphenicols, and aminoglycoside against MDR S. aureus isolated from Camel milk
Revue: Brazilian Journal of Pharmaceutical Sciences
Base de datos: PERIÓDICA
Número de sistema: 000451892
ISSN: 1984-8250
Autores: 4
1
2
3
1
1
5
6
7
8
9
Instituciones: 1University of Veterinary and Animal Sciences, Lahore, Punjab. Pakistán
2Loralai Medical College, Department of Physiology, Loralai, Baluchistán. Pakistán
3Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, Yunnan. China
4Animal Sciences Institute, Livestock Dairy Development Department, Quetta, Baluchistán. Pakistán
5Livestock Dairy Development Department, Peshawar, Khyber Pakhtunkhwa. Pakistán
6University of Baluchistán, Quetta, Baluchistán. Pakistán
7College of Veterinary and Animal Sciences, Department of Pathobiology, Jhang. Pakistán
8Yunnan Agricultural University, Kunming College of Animal Science and Technology, Kunming, Yunnan. China
9University of Veterinary and Animal Sciences, Lahore, Punjab. Pakistán
Año:
Volumen: 58
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en inglés This study investigated the synergy testing of penicillin, cephalosporin, amphenicols, and aminoglycoside in the camel milk (n=768 samples), subsequently used for isolation of MDR S. aureus t argeting mecA gene. Antibiotic susceptibility of S. aureus showed >90% isolates were sensitive to ciprofloxacin and trimethoprim and resistant against oxacillin, ampicillin, and cefoxitin. Further, 50-85% of the S. aureus were sensitive to gentamicin, oxytetracycline, and chloramphenicol and resistant against cefotaxime, vancomycin, and cefixime. Minimum inhibitory concentration (MIC) of cefotaxime, (C) and ampicillin (A) in combination with gentamicin (G) was reduced by 99.34% and 70.46%, respectively, while with chloramphenicol (Ch), reduction was 57.49% and 60%, respectively. In addition, the Fractional Inhibitory Concentration Index (FICI) of G+A, Ch+C and Ch+G combinations showed synergy against 80%, 60%, and 30% of MDR S. aureus, respectively. Similarly, C+A and Ch+G displayed indifferent interaction against 70 % and 30% of isolates, respectively, while the later showed additive interaction against 10% of MDR S. aureus. Altogether, our results described effective combination of gentamicin and chloramphenicol with ampicillin and cefotaxime to combat MDR S. aureus
Disciplinas: Biología,
Química
Palabras clave: Microbiología,
Antibióticos,
Sinergismo,
Penicilina,
Cefalosporinas,
Staphylococcus aureus,
Ensayos farmacológicos
Keyword: Microbiology,
Antibiotics,
Synergism,
Penicillin,
Cephalosporins,
Staphylococcus aureus,
Pharmacological assays
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