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Virulent methicillin resistant Staphylococcus aureus (MRSA) in street vended foods

  • M. Sivakumar
  • Zunjar B. DubalEmail author
  • Ashok Kumar
  • Kiran Bhilegaonkar
  • Obli Rajendran Vinodh Kumar
  • Suman Kumar
  • Anukampa Kadwalia
  • Bi. Shagufta
  • M. R. Grace
  • T. P. Ramees
  • Anamika Dwivedi
Original Article

Abstract

Street foods are one of the important sources of foodborne infections and Staphylococcus aureus is an important infectious agent transmitted through various sources including street foods. The methicillin-resistant S. aureus (MRSA) are of public health significance, hence the study was taken to assess the street foods as a source of MRSA, for which 430 street vended foods of animal origin (meat, milk, eggs and their products) and associated environmental samples were processed for isolation and characterization. A total of 52 (12.1%) S. aureus were isolated and resistant was observed to oxacillin (36.5%), cefoxitin (25%) and penicillin G (82.7%) by disc diffusion test. On genotypic screening, mecA and blaZ have detected in 17.3% and 69.2% isolates, respectively. The virulence typing identified nuc, coa, clfA, spA, FnbA and enterotoxin A (sea) genes in 100%, 96.2%, 30.8%, 55.8, 50% and 7.7% isolates, respectively. Genetic diversity among the isolates was observed by enterobacterial repetitive intergenic consensus PCR with a D value of 0.77. The presence of virulent MRSA in street vended foods trigger the public health concern and emphasis to educate the consumers and street food vendors about quality and safety of such foods.

Keywords

Street vended foods MRSA Food safety India 

Notes

Acknowledgements

The authors are thankful to the Director and Joint Director (Research), Indian Veterinary Research Institute, Izatnagar, India for providing necessary facilities for the study. The work supported by grants from Indian Council of Agricultural Research, New Delhi, India is duly acknowledged.

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Copyright information

© Association of Food Scientists & Technologists (India) 2019

Authors and Affiliations

  • M. Sivakumar
    • 1
  • Zunjar B. Dubal
    • 1
    Email author
  • Ashok Kumar
    • 1
  • Kiran Bhilegaonkar
    • 1
  • Obli Rajendran Vinodh Kumar
    • 2
  • Suman Kumar
    • 1
  • Anukampa Kadwalia
    • 1
  • Bi. Shagufta
    • 1
  • M. R. Grace
    • 1
  • T. P. Ramees
    • 1
  • Anamika Dwivedi
    • 1
  1. 1.Division of Veterinary Public HealthICAR-Indian Veterinary Research Institute (IVRI)Izatnagar, BareillyIndia
  2. 2.Division of EpidemiologyICAR-Indian Veterinary Research Institute (IVRI)Izatnagar, BareillyIndia

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