TLDR The GG genotype of the KRT71 gene leads to longer wool in Gansu alpine fine-wool sheep.
The study on 315 Gansu alpine fine-wool sheep examined the polymorphism of the KRT71 gene and its impact on wool properties. Researchers identified two SNPs, SNP1 and SNP2, in the KRT71 gene, with the GG genotype associated with significantly longer mean staple length (MSL) of wool compared to other genotypes. The KRT71 protein showed strong expression in the inner root sheath, suggesting its role in hair follicle development and wool growth. These findings highlight the potential of KRT71 gene polymorphisms in enhancing wool production traits, with implications for breeding programs aimed at improving wool quality. Further research with larger sample sizes is recommended.
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