Molecular Detection of Methicillin Resistant Enterotoxin a Producing Staphylococcus aureus in Profiteroles in Karaj in 2016

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MAKVANDI M.; HARZANDI N.

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Journal: Journal of Food Technology and Nutrition Year:2019 | Volume:16 | Issue:3 (63) Page(s): 111-119

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Title

Molecular Detection of Methicillin Resistant Enterotoxin a Producing Staphylococcus aureus in Profiteroles in Karaj in 2016

Author(s)

MAKVANDI M. | HARZANDI N. | Issue Writer Certificate

Keywords

Enterotoxin AQ1

MRSAQ1

Mec geneQ1

Nuc geneQ1

ProfilterolesQ1

Sea geneQ1

Abstract

Introduction: Staphylococcal enterotoxins are members of a family of more than 20 different staphylococcal and streptococcal exotoxins that are functionally related and share corresponding gene sequence homology. These bacterial proteins are known to be mitogen and are responsible for significant human diseases including food poisoning. The aim of this study was to detect the Enterotoxin A producing Staphylococcus aureus in profiteroles. Materials and Methods: Sampling was carried out from 50 confectionaries in Karaj from mid-August 2016 to February 2017. Serial dilutions from each sample were prepared and cultured on Baird parker agar. After 48 hours incubation at 37º C, black colonies were selected. Following transfer to blood agar, susceptibility of isolates to oxacillin was determined using disc diffusion method and presence of nuc, mecA and Sea genes was checked using PCR. Results: In total, based on culture results 8 out of 50 samples (16%) had Staphylococcus aureus contamination. PCR method results showed the presence of Nuc gene in 14 (28%) of the samples, mecA gene and Sea gene in 5 (10%), 3 (6%) of the samples respectively. Conclusion: Remarkable frequency of Enterotoxin A producing MRSA isolates in different foods and specially profiteroles as an enrichment medium for growth and toxin production of bacteria, is a warning for public health.

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APA: Copy

MAKVANDI, M., & HARZANDI, N.. (2019). Molecular Detection of Methicillin Resistant Enterotoxin a Producing Staphylococcus aureus in Profiteroles in Karaj in 2016. JOURNAL OF FOOD TECHNOLOGY AND NUTRITION, 16(3 (63) ), 111-119. SID. https://sid.ir/paper/143298/en

Vancouver: Copy

MAKVANDI M., HARZANDI N.. Molecular Detection of Methicillin Resistant Enterotoxin a Producing Staphylococcus aureus in Profiteroles in Karaj in 2016. JOURNAL OF FOOD TECHNOLOGY AND NUTRITION[Internet]. 2019;16(3 (63) ):111-119. Available from: https://sid.ir/paper/143298/en

IEEE: Copy

M. MAKVANDI, and N. HARZANDI, “Molecular Detection of Methicillin Resistant Enterotoxin a Producing Staphylococcus aureus in Profiteroles in Karaj in 2016,” JOURNAL OF FOOD TECHNOLOGY AND NUTRITION, vol. 16, no. 3 (63) , pp. 111–119, 2019, [Online]. Available: https://sid.ir/paper/143298/en

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