Practical Approach for DNA Extraction of Food Born Linguatula serrata Nymphs: an Analytical Method

Authors

  • Gilda Eslami Department of Parasitology and Mycology, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  • Bahador Hajimohammadi Department of Food Hygiene and Safety, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
  • Sepideh Khalatbary Department of Food Hygiene and Safety, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  • Amin Zohortabar Department of Food Hygiene and Safety, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  • Mahmoud Ardian Technical officer of health for slaughterhouse in Yazd, Iran

DOI:

https://doi.org/10.31661/gmj.v3i2.139

Keywords:

Pentastomida, DNA, Extraction, Food Safety

Abstract

Background: Isolation of high quality genomic DNA is one of the most important steps in molecular biology studies related to food borne parasites. Usually, various protocols are used for different tissues but so far, there is no common, simple and cost benefit procedure for genomic DNA extraction of Linguatula serrata (L. serrata.) larvae as a Pentastomida endangering food safety. One of the procedures used in other studies is using commercial kits that are very expensive especially for developing countries which have this health problem. This study investigated a simple and cost-benefit method to extract genomic DNA form L. serrata.

Materials and Methods: In this study, after collection of larvae from sheep, washing was done with phosphate buffer saline. The samples were grinded and incubated in lysis buffer at 56ºC overnight. The precipitation was done in absolute ethanol. Extracted DNA was analyzed using Agarose gel Electrophoresis and Spectrophotometery.

Results: Results indicated that the mean concentration of extracted DNA was 59.3±2.84 ng/μl, and the mean ratio of A(260)/ (280) was 1.6±0.3.  It seems that the efficacy of this modified extraction method for L. serrata is appropriate.

Conclusion: In conclusion, this simple, cost-effective, fast and easy to use method could replace inexpensive commercial kits in molecular laboratories for DNA extraction of Pentastomida and some other similar tissues. So, application of this analytical method could be useful to improve the safety of food especially liver and other meat products.

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Published

2014-02-01

How to Cite

Eslami, G., Hajimohammadi, B., Khalatbary, S., Zohortabar, A., & Ardian, M. (2014). Practical Approach for DNA Extraction of Food Born Linguatula serrata Nymphs: an Analytical Method. Galen Medical Journal, 3(2), e139. https://doi.org/10.31661/gmj.v3i2.139

Issue

Vol. 3 No. 2 (2014): June 2014

Section

Short Communication

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