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Molecular detection of the Aeromonas virulence aerolysin gene in retail meats from different animal sources in Egypt

World Journal of Microbiology and Biotechnology volume 28, pages 1863–1870 (2012)Cite this article

Abstract

Meat commonly contain the same Aeromonas spp. which occur in human diarrhoeal and non-diarrhoeal faecal samples. Motile Aeromonas were isolated from 5.6% of total 302 samples. The distribution of the isolates were 5.9 and 5.2% in fresh and frozen samples, respectively. Of the 302 samples taken of the four animal meat species investigated, the genus Aeromonas were isolated in 12.3% of the fresh samples collected from buffalo meat, in 6.5% of the samples collected from sheep meat and 14.0% from the samples collected from the cattle frozen meat samples. The camel meat did not reveal any Aeromonas isolates. Aeromonas hydrophila was isolated as the most prevalent species with 6.8%, followed by Aeromonas caviae with 2.7% and Aeromonas sobria with 2.1% from the total meat samples. Aerolysin toxin gene (aerA) was detected in 3/17 isolates of A. hydrophila isolated from contaminated meat. Infection due to bacterial pathogen with such virulent factor through contact with contaminated meat while handling them, poses health hazards to humans.

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The authors declare that they have no conflict of interest.

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Affiliations

  1. Faculty of Veterinary Medicine , Department of Microbiology, Cairo University, Giza, Cairo, Egypt

    Kamelia Osman

  2. Department of Microbiology and Immunology, National Research Centre, Dokki, Egypt

    Magdy Aly

  3. Central Laboratory for the Evaluation of Veterinary Biologics, Abbasia, Egypt

    Afaf Kheader

  4. Ministry of Agriculture, Veterinary Medicine Service, Cairo, Egypt

    Khaled Mabrok

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  1. Kamelia Osman
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  2. Magdy Aly
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  3. Afaf Kheader
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  4. Khaled Mabrok
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Correspondence to Kamelia Osman.

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Osman, K., Aly, M., Kheader, A. et al. Molecular detection of the Aeromonas virulence aerolysin gene in retail meats from different animal sources in Egypt. World J Microbiol Biotechnol 28, 1863–1870 (2012). https://doi.org/10.1007/s11274-011-0915-z

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  • DOI: https://doi.org/10.1007/s11274-011-0915-z

Keywords

  • Aeromonas spp
  • Aerolysin toxin gene (aerA)
  • Buffalo
  • Sheep
  • Cattle
  • Camel
  • Meat