Journal of the Korean Data and Information Science Society

한국데이터정보과학회 (The Korean Data and Information Science Society)
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한우의 지방산 조성에 영향을 미치는 SREBPs와 FABP4의 유전자 조합 규명

Major gene identification for SREBPs and FABP4 gene which are associated with fatty acid composition of Korean cattle

  • 투고 : 2015.04.13
  • 심사 : 2015.05.22
  • 발행 : 2015.05.31
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초록

인간의 질병 또는 가축의 경제적인 특성은 단일 유전자보다는 여러 유전자들의 상호작용에 의한 영향을 많이 받는다. 본 연구에서는 이러한 유전자들의 상호작용을 규명하기 위해 기존에 사용되었던 방법들의 단점을 보완한 에스엔피 하비스트 방법을 이용하였다. 사용된 유전자는 최근 한우의 육질에 영향을 미치는 지방산 조성과 깊은 연관이 있다고 밝혀진 단일염기다형성 중 SREBPs (g.3270+10274 C>T, g.13544 T>C)와 FABP4 (g.2634+1018 A>T, g.2988 A>G, g.3690 G>A, g.3710 G>C, g.3977-325 T>C, g.4221 A>G)이며, 경제형질은 한우의 맛과 향에 영향을 주는 올레인산, 불포화지방산, 근내지방도를 이용하였다. 먼저 에스엔피 하비스트 방법을 이용하여 경제형질에 영향을 주는 우수 유전자 조합을 찾은 뒤 다중인자차원축소방법을 이용하여 단일염기다형성 조합 내의 우수 유전자형도 함께 규명하였다.

Disease of human and economic traits of livestocks are affected a lot by gene combination effect rather than a single gene effect. In this study, we used SNPHarvester method that supplement existing method in order to investigate the interaction of these genes. The used genes are SREBPs (g.3270+10274 C>T, g.13544 T>C) and FABP4 (g.2634+1018 A>T, g.2988 A>G, g.3690 G>A, g.3710 G>C, g.3977-325 T>C, g.4221 A>G) that are closely related to the fatty acid composition affecting the meatiness of Korean cattle. The economic traits which are used are oleic acid (C18:1), monounsaturated fatty acid (MUFA), marbling score (MS). First, we have utilized the SNPHarvester method in order to find excellent gene combination, and then used the multifactor dimensionality reduction method in order to identify excellent genotype in gene combination.

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참고문헌

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