Journal of the Korean Data and Information Science Society

The Korean Data and Information Science Society (한국데이터정보과학회)
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Major gene interaction identification in Hanwoo by adjusted environmental effects

환경적인 요인을 보정한 한우의 우수 유전자 조합 선별

  • Received : 2012.04.10
  • Accepted : 2012.04.30
  • Published : 2012.05.31
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Abstract

Human diseases and livestock economic traits are not typically the result of variation of a single genetic locus, but are rather the result of interplay between interactions among multiple genes and a variety of environmental exposures. We have used linear regression model for adjusted environmental effects and multifactor dimensionality reduction (MDR) method to identify gene-gene interaction effect of statistical model in general. Of course, we use 5 SNPs (single uncleotide polymorphism) which were studied recently by Oh et al. (2011). We apply the MDR (multifactor demensionality reduction) method on the identify major interaction effects of single nucleotide polymorphisms responsible for economic traits in a Korean cattle population.

인간의 질병과 가축의 경제적인 특성은 하나의 유전자가 아닌 여러 유전자의 상호작용의 영향을 더 많이 받는다고 알려져 있다. 본 논문에서는 유전적인 효과만을 밝혀내기 위해 선형회귀모형을 활용하여 환경적인 요인을 보정하고, 최근 한우의 맛과 육질에 영향을 준다고 밝혀진 단일염기다형성 5개 (Oh 등, 2011)를 이용해 한우의 경제형질에 영향을 주는 우수 유전자 조합을 선별하고 우수 유전자형을 밝힌다. 이때, 많은 유전자들 중에서 우수한 유전자를 찾기 위한 비모수적인 방법인 다중인자 차원 축소 방법을 이용하여 단일 유전자의 효과보다 상호작용의 효과가 한우의 경제형질에 더 많은 영향을 준다는 사실을 확인하였다.

Keywords

References

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