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KMID : 1025520120540050375
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Journal of Animal Science and Technology
2012 Volume.54 No. 5 p.375 ~ p.379
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Genetic Characterization of Wolla Coat Color in Jeju Horses
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Kim Nam-Young
Shin Kwang-Yun
Lee Chong-Eon
Han Sang-Hyun
Lee Sung-Soo
Park Yong-Sang
Ko Moon-Suck
Hong Hyun-Ju
Yang Jae-Hyuk
Jang Deok-Jee
Yang Young-Hoon
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Abstract
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This study was carried out to define the "Wolla" coat color using 376 Jeju registered horses (white patched 142, solid coat color 234). Three major factors related to the white patches i.e ECA3-inversion for Tobiano, EDNRB 2 bp nucleotide substitution for frame Overo, and the KIT intron 16 single nucleotide polymorphism (SNP) for Sabino types of coat color were analyzed. It was found that out of 142 Jeju horses with white patches that have the genotype for ECA3-inversion (To) 140 horses were +/To heterozygous and 2 horses were To/To homozygous all Jeju horses with white patches had ECA3-inversion allele. However, there was no frame Overo or Sabino allele type in EDNRB and KIT intron 16 SNP in Jeju horses with white patches. As for 234 Jeju horses with a solid coat color, there was no ECA3-inversion allele related to the white patches. Thus, it could be considered that Wolla coat color with white patches in Jeju horses might have come from the Tobiano line in the genetic classification by coat color.
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KEYWORD
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Jeju horse, Coat color, Tobiano, Frame Overo, Sabino
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