Distribution of genes encoding biofilm production in Staphylococcus aureus in raw milk supplied in Tehran

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Hendijani B.; SHAKERIAN A.; RAHIMI E.; SALEHZADEH F.

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Journal: JOURNAL OF FOOD HYGIENE Year:2019 | Volume:9 | Issue:1 (33) Page(s): 49-58

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Title

Distribution of genes encoding biofilm production in Staphylococcus aureus in raw milk supplied in Tehran

Author(s)

Hendijani B. | SHAKERIAN A. | RAHIMI E. | SALEHZADEH F. | Issue Writer Certificate

Keywords

Biofilm Encoding GenesQ1

Staphylococcus aureusQ1

Raw MilkQ1

Abstract

Staphylococcus aureus is one of the important pathogens in milk and dairy products that may cause several diseases in human. Several virulence factors are involved in S. aureus pathogenicity, amongst is biofilm production. S. aureus is capable of producing polysaccharides and proteinaceous substances attached to the surfaces that lead to biofilm formation. In this study to assess the presence of genes encoding the biofilm formation of S. aureus and its distribution in Raw Milk samples of Tehran area, a total of 99 Raw Milk was obtained from four local milk processing establishments and assessed by conventional microbiological culture methods and confirmed by PCR. For this, the nuc gene was used as the specific target sequence to detect S. aureus. To identify the presence of fnbA, clfB, icaA, icaD genes which encode biofilm formation, the specific primers of every gene were exploited. Based on results, 4 isolates were identified as s. aureus (4. 04%). All fnbA, cltB, and icaD (encoding biofilm formation) were detected in the 4 isolates (100%). However, only one isolate (25%) contained icaD gene. Because of the relatively high frequency of Biofilm Encoding Genes separated from Raw Milk samples of Tehran area, it is essential to implement hygienic principles is essential to control and prevent biofilm formation on the surfaces of dairy equipment.

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APA: Copy

Hendijani, B., SHAKERIAN, A., RAHIMI, E., & SALEHZADEH, F.. (2019). Distribution of genes encoding biofilm production in Staphylococcus aureus in raw milk supplied in Tehran. JOURNAL OF FOOD HYGIENE, 9(1 (33) ), 49-58. SID. https://sid.ir/paper/222835/en

Vancouver: Copy

Hendijani B., SHAKERIAN A., RAHIMI E., SALEHZADEH F.. Distribution of genes encoding biofilm production in Staphylococcus aureus in raw milk supplied in Tehran. JOURNAL OF FOOD HYGIENE[Internet]. 2019;9(1 (33) ):49-58. Available from: https://sid.ir/paper/222835/en

IEEE: Copy

B. Hendijani, A. SHAKERIAN, E. RAHIMI, and F. SALEHZADEH, “Distribution of genes encoding biofilm production in Staphylococcus aureus in raw milk supplied in Tehran,” JOURNAL OF FOOD HYGIENE, vol. 9, no. 1 (33) , pp. 49–58, 2019, [Online]. Available: https://sid.ir/paper/222835/en

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