Foodborne pathogens present serious concerns to human health and can even lead to fatalities. The gold standard for pathogen identification – bacterial culture – is costly and time consuming. A cheaper and quicker alternative will benefit in controlling food safety. In this study, we developed a multiplex-PCR protocol for simultaneous detection of five Foodborne pathogens including Escherichia coli O157:H7, Staphylococcus aureus, Salmonella spp., Listeria monocytogenes, and Vibrio cholerae, based on five genes stx1, femA, invA, iap, và ctxA, respectively. Specific primers for multiplex PCR amplification of the stx (Shiga-like toxin), nuc (thermo nuclease), inv A (invasion protein A), iap (invasive associative protein), and ctx A (cholera toxin A) genes that were established to amplify simultaneous detection of the target pathogens. The assay was also validated for its specificity, sensitivity, and applied to test some spiked food samples. The results showed the products expected multiplex PCR fragments of approximately 112, 244, 301, 453, 518 and 720bp for S. aureus, Salmonella spp. V. cholera, L. monocytogenes, E. coli O157:H7 and 16S rRNA, respectively. The assay was specific to the targeted pathogens and was sufficiently sensitive and robust to effectively analyze market samples. The whole process took less than 24 h to complete indicating that the assay is suitable for reliable and rapid identification of these five foodborne pathogens, which could be suitable in microbial epidemiology investigation. You can submit your Manuscripts at: https://symbiosisonlinepublishing.com/submitManuscript.php
Comments: 9 Pages.
[v1] 2017-08-28 04:17:55
Unique-IP document downloads: 73 times
Vixra.org is a pre-print repository rather than a journal. Articles hosted may not yet have been verified by peer-review and should be treated as preliminary. In particular, anything that appears to include financial or legal advice or proposed medical treatments should be treated with due caution. Vixra.org will not be responsible for any consequences of actions that result from any form of use of any documents on this website.
Add your own feedback and questions here:
You are equally welcome to be positive or negative about any paper but please be polite. If you are being critical you must mention at least one specific error, otherwise your comment will be deleted as unhelpful.