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Information Journal Paper

Title

Study of frequency of NHE complex genes in Bacillus cereus isolated from milk in Tabriz city in spring, 2017

Pages

  1-7

Abstract

 Bacillus cereus (B. cereus) is a gram positive and spore producing bacterium that is widely spread in nature. Many of this bacterium strains cause food poisoning with signs of diarrhea and vomiting. Diarrhea-type diseases cause by hemolytic enterotoxins HBL, non-hemolytic NHE and cytotoxin K. Milk is one of the food products that may be contaminated by livestock with mastitis caused by B. cereus. The aim of this research was the study of frequency of NHE complex genes in B. cereus isolated from Milk in Tabriz city in spring, 2017. 42 samples of B. cereus isolated from cow Milk after molecular confirmation were investigated for studying of frequency of NHE complex genes by use of specific primers by PCR method. Of 42 tested samples, 41 positive cases were detected. Of 41 B. cereus tested, 37 cases (90. 2%), 35 cases (85. 3%) and 31 cases (75. 6%) harbored nheA, nheB and nheC genes, respectively. 30 B. cereus isolates (73. 1%) contained all three desired genes simultaneously. In 3 B. cereus isolates (7. 3%), no NHE complex genes were observed. The simultaneous presence of NHE complex genes in most of tested B. cereus isolates indicates the high virulence of tested bacteria and their high pathogenic potential.

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    APA: Copy

    Rasoulpour, T., & MAHDAVI, S.. (2020). Study of frequency of NHE complex genes in Bacillus cereus isolated from milk in Tabriz city in spring, 2017. JOURNAL OF FOOD MICROBIOLOGY, 6(4 ), 1-7. SID. https://sid.ir/paper/250753/en

    Vancouver: Copy

    Rasoulpour T., MAHDAVI S.. Study of frequency of NHE complex genes in Bacillus cereus isolated from milk in Tabriz city in spring, 2017. JOURNAL OF FOOD MICROBIOLOGY[Internet]. 2020;6(4 ):1-7. Available from: https://sid.ir/paper/250753/en

    IEEE: Copy

    T. Rasoulpour, and S. MAHDAVI, “Study of frequency of NHE complex genes in Bacillus cereus isolated from milk in Tabriz city in spring, 2017,” JOURNAL OF FOOD MICROBIOLOGY, vol. 6, no. 4 , pp. 1–7, 2020, [Online]. Available: https://sid.ir/paper/250753/en

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