Domestic animals’ identification using PCR-RFLP analysis of cytochrome b gene

Murad Ali Rahat, Muhammad Haris, Zaib Ullah, Saba Gul Ayaz, Mian Nouman, Akhtar Rasool, Muhammad Israr

Abstract


Background: Species identification is an important process to identify the origin of meat, adulteration and for  cooked and processed meat. The present study was conducted to identify cattle (Bos taurus) and buffalo (Bubalus bubalis) by using mitochondrial cytochrome-b (Cyt-b) gene. Size of the gene is 1140 bp, but we amplified 359 bp that is cleaved by specific restriction endonucleases. The aim of this study was species identification through Cyt-b gene by using PCR-RFLP analysis.

Methods: For this study, 55 blood samples were collected from different species of domestic animals. The DNA was extracted from the whole blood through blood extraction kit. The DNA of these samples were amplified through PCR using universal Cyt-b primers. The amplified product was treated with restriction enzymes Alu I. The resultant fragments were viewed on 3.0 % agarose gel.

Results: Cyt-b gene was amplified of all included animals. Different bands were observed as compared with 50 bp DNA ladder. Animals were identified on the base RFLP mediated by Alu1 restriction enzyme.

Conclusion: We identified domestic animals on the basis of Mitochondrial Cyt-b gene by the process of PCR-RFLP. To identify specific animals through RFLP, a larger sample size and confirmation by gene sequence analysis may be helpful.

Keywords: Domestic Animal Identification; Cytochrome b gene; AluI restriction enzyme; PCR-RFLP Analysis


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References


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DOI: http://dx.doi.org/10.62940/als.v7i3.890

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