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KMID : 1023520050280030259
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Korean Journal of Veterinary Service
2005 Volume.28 No. 3 p.259 ~ p.265
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Identification of MC1R gene variants of Hanwoo and Holstein meat using PCR-RFLP
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Koh Ba-Ra-Da
Kim Yong-Hwan
Park Seong-Do
Na Ho-Myoung
Kim Jeong-Nam
Sung Chang-Min
Lee Sam-Soo
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Abstract
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The melanocortin 1 receptor (MC1R) encoded by the coat color extension gene (E) plays a key role in the signaling pathway of melanin synthesis. The primers for the amplification of bovine MC1R gene were designed based on a bovine MC1R gene sequence (GenBank accession no. Y19103). A size of 483bp (482bp for Hanwoo) was amplified by PCR, digested with Hpa II restriction enzyme and electrophoresed in agarose gel. When the amplified DNA product (483 bp) was digested with Hpa II restriction enzyme, Hanwoo meat showed a single band of 482bp, whereas two fragments of 325bp and 158bp were detected in Holstein, Angus and meat of Hanwoo / Holstein cross cow having back coat color phenotype, respectively. The results of this experiment Indicate that new designed primers of bovine MCIR gene may be useful for identification of Hanwoo meat from Holstein, Black Angus and Hanwoo / Holstein cross cow meat.
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KEYWORD
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MC1R gene, Coat color, PCR-RFLP, Hanwoo, Holstein
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