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KMID : 1025520010430010001
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Journal of Animal Science and Technology
2001 Volume.43 No. 1 p.1 ~ p.8
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Comparison of the Genotypes of Melanocortin Receptor 1(MC1R) Gene in Korean - Native and Chinese - Native Pigs
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이성수/Lee, S. S.
양보석/정진관/고서봉/오성종/양영훈/김규일/Yang, B. S./Jung, J. K./Ko, S. B./Oh, S. J./Yang, Y. H./Kim, K. I.
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Abstract
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PCR-RFLP analysis of Melanocortin receptor 1 (MC1R) gene was carried out to investigate the genotype distribution in Korean-Native and Chinese-Native pig breeds(Neijiang, Putian, Wannanhua and Jinhua). Allelic variants of MC1R in pigs were analyzed by digestion of BspH I , AccII and Hha I . Ncijiang. Wannanhua and Jinhua had only MC1R*2 allele which is considered to be typical genotype for Meishan and Large Black. Among 20 Korean-Native Pigs and 5 Putian pigs, 10 and 2 heads had the MC1R*3 allele (*2/3 or 3/3), respectively, which was detected in European pig breeds such as Hampshire, Large White, and Pietrain. The remaining animals possessed the genotype MC1R*2/2, probably reflecting the genetic introgression of MC1R*3 allele into Korean-Native and Putian pig breeds by the crossbreeding for improvement. The alleles MC1R*l and MC1R*4, which are considered to be typical allele for European Wild Boar with wild-type coat color and Duroc with red coat color, respectively, were not detected in pig breeds used in this experiment. These results indicate that the analysis of genotype frequencies of MC1R gene may be a useful tool for the conservation of Korean-Native and Chinese-Native pig breeds.
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KEYWORD
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