Communications for Statistical Applications and Methods

The Korean Statistical Society (한국통계학회)
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Important SNPs Identification from the Economic Traits for the High Quality Korean Cattle

고품질 한우를 위한 여러 경제형질에서의 주요 SNP 규명

  • Published : 2009.01.31
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Abstract

In order to make the high quality Korean cattle, it has been identified the gene markers which influence to various economic traits. To identify statistically significances among SNP markers, Lee et. al. (2008b) identified SNP(19_1)$^*$SNP(28_2) marker was an important marker in LMA(longissimus muscle dorsi area). In addition, CWT(carcass cold weight) and ADG(average daily gain) are applied for expanded multifactor dimensionality reduction (expanded MDR) method from the comprehensive economic traits. The results showed that SNP(19_1)$^*$SNP(28_2) interaction marker was good and a very meaningful for economic traits.

고품질 한우를 만들기 위해 여러 경제형질에 영향을 주는 유전자 즉 single nucleotide polymorphisms(SNPs)를 규명하려고 한다. 이미 Lee 등 (2008a)에 의해 SNP(19_1)$^*$SNP(28_2)가 등심단면적 (LMA: longissimus muscle dorsi area)에 주요한 유전자로 규명되었다. 여기에 추가로 도체중 (CWT: carcass cold weight)과 일당증체량 (ADG: average daily gain)을 선형 모형에 적용하였으며 또한 상호작용에 더 유리하고 연속형 데이터에도 사용할 수 있는 expanded multifactor dimensionality reduction (expanded MDR)을 이용하여 주요한 SNP를 파악하였다. Expanded MDR 적용결과 등심단면적과 같은 결과인 SNP(19_1)과 SNP(19_1)$^*$SNP(28_2)의 상호작용 형태가 가장 좋은 SNP로 선정되었으며, 최종적으로 SNP(19_1)*SNP(28_2) 마커가 한우의 여러 경제형질에 우수 유전자임을 규명하였다.

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References

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