Mutations of TYR and MITF Genes are Associated with Plumage Colour Phenotypes in Geese

  • Wang, Ye (Institute of Animal Husbandry and Veterinary, Jiangxi Academy of Agricultural Science) ;
  • Li, Si-Ming (Institute of Animal Genetics and Breeding, Sichuan Agricultural University) ;
  • Huang, Jing (Institute of Animal Husbandry and Veterinary, Jiangxi Academy of Agricultural Science) ;
  • Chen, Shi-Yi (Institute of Animal Husbandry and Veterinary, Jiangxi Academy of Agricultural Science) ;
  • Liu, Yi-Ping (Institute of Animal Husbandry and Veterinary, Jiangxi Academy of Agricultural Science)
  • Received : 2013.06.17
  • Accepted : 2014.01.08
  • Published : 2014.06.01


The polymorphism of microphthalmia-associated transcription factor (MITF) and tyrosinase (TYR) genes have been proposed to play a vital role in coat colour genesis in mammals, but their role remains ambiguous in geese at best. Here, we cloned and sequenced 1,397 bp coding region of MITF gene and a 588 bp fragment of TYR exon 1 for polymorphism analysis among 157 domestic geese showing three types of plumage colour. We detected a total of three SNPs (c.280T>C, c.345G>A, and c.369G>A) in TYR and six haplotypes (H1-H6). Among them, haplotypes H1, H2, H3, and H5 were significantly associated with white plumage trait of Zhedong White Geese. However, only diplotype H1H1 and H3H5 were significantly associated with white plumage trait of Zhedong White Geese (p<0.01). We only detected one SNP (c.1109C>T) for MITF gene and found that genotype CT and TT were significantly associated with white plumage trait of Zhedong White Geese. Briefly, our study suggested an association between polymorphisms of TYR and MITF genes and the plumage colour trait in domestic geese.


Goose;TYR and MITF Gene;SNP;Plumage Colour


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