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자료유형
학술저널
저자정보
Kim, Yoo-Kyung (Faculty of Science Education, Jeju National University) Kang, Yong-Jun (Subtropical Livestock Research Institute, National Institute of Animal Science, RDA) Kang, Geun-Ho (Animal Products Research and Development Division, National Institute of Animal Science, RDA) Seong, Pil-Nam (Animal Products Research and Development Division, National Institute of Animal Science, RDA) Kim, Jin-Hyoung (Animal Products Research and Development Division, National Institute of Animal Science, RDA) Park, Beom-Young (Animal Products Research and Development Division, National Institute of Animal Science, RDA) Cho, Sang-Rae (Hanwoo Research Institute, National Institute of Animal Science, RDA) Jeong, Dong Kee (Faculty of Biotechnology, Jeju National University) Oh, Hong-Shik (Faculty of Science Education, Jeju National University) Cho, In-Cheol (Subtropical Livestock Research Institute, National Institute of Animal Science, RDA) Han, Sang-Hyun (Educational Science Research Institute, Jeju National University)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제31권 제1호
발행연도
2016.1
수록면
61 - 64 (4page)

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We developed a polymerase chain reaction (PCR)-based molecular method for sexing and identification using sexual dimorphism between the Zinc Finger-X and -Y (ZFX-ZFY) gene and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) for mitochondrial DNA (mtDNA) cytochrome B (CYTB) gene in meat pieces and commercial sausages from animals of different origins. Sexual dimorphism based on the presence or absence of SINE-like sequence between ZFX and ZFY genes showed distinguishable band patterns between male and female DNA samples and were easily detected by PCR analyses. Male DNA had two PCR products appearing as distinct two bands (ZFX and ZFY), and female DNA had a single band (ZFX). Molecular identification was carried out using PCR-RFLP of CYTB gene, and showed clear species classification results. The results yielded identical information on the sexes and the species of the meat samples collected from providers without any records. The analyses for DNA isolated from commercial sausage showed that pig was the major source but several sausages originated from chicken and Atlantic cod. Applying this PCR-based molecular method was useful and yielded clear sex information and identified the species of various tissue samples originating from livestock.

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