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Analysis of Carcass Characteristics in the 3rd Intron of Pig POU1F1 Gene

돼지의 POU1F1 Intron 3영역 유전자에 따른 도체특성 분석

  • Kim, Gye-Woong (Department of Animal Resources Science, Kongju National University) ;
  • Yoo, Jae-Young (Department of Animal Resources Science, Kongju National University)
  • 김계웅 (공주대학교 산업과학대학 동물자원학과) ;
  • 유재영 (공주대학교 산업과학대학 동물자원학과)
  • Received : 2009.07.16
  • Accepted : 2009.08.13
  • Published : 2009.08.01

Abstract

This study was carried out to compare Msp I polymorphisms in the 3rd intron of porcine gene encoding the pituitary-1 transcription factor (POU1F1) from 286 pigs (Landrace $\times$ Yorkshire $\times$ Duroc, LYD) and to determine the associations between its genotypes and carcass traits by using the PCR-RFLP technique. The frequency of the single nucleotide polymorphism (SNP) genotype DD (84.33%) was very higher than that of CC genotype (0.75%). Allelic frequencies for C and D were 0.082 and 0.918, respectively. Each population followed the Hardy-Weinberg equilibrium. Meat colours of Hunter $L^*$ values and visual colour according to two genotypes were all significantly different. However, no significant difference in crossbred (LYD) was found between CD and DD genotypes for other traits. Therefore, this suggests that POU1F1 may be a major gene or marker for carcass traits.

Keywords

Carcass characteristics;Intron 3;POU1F1 Gene;Msp I polymorphisms

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