Spatiotemporal Expression Characterization of KRTAP6 Family Genes and Its Effect on Wool Traits

January 2024 in “ Genes ”

Hongxian Sun, Zhaohua He, Fangfang Zhao, Jiang Hu, Jiqing Wang, Xiu Liu, Zhidong Zhao, Mingna Li, Yuzhu Luo, Shaobin Li

KRTAP6 RT-qPCR in situ hybridization anagen phase dermal papillae root sheaths mRNA expression mean fiber diameter mean staple strength real-time quantitative PCR hair growth phase hair follicle gene expression

Studysummary This study investigated the expression of KRTAP6 gene family in Gansu Alpine fine-wool sheep, finding significant expression during the anagen phase and a negative correlation between KRTAP6-1 and KRTAP6-5 expressions with wool fiber diameter and strength. Our plain-language summary of this paper — not a Tressless recommendation.

The study examined the spatiotemporal expression of KRTAP6 family genes (KRTAP6-1, KRTAP6-2, KRTAP6-3, KRTAP6-4, and KRTAP6-5) in Gansu Alpine fine-wool sheep and their impact on wool traits. Using RT-qPCR and in situ hybridization, researchers found that these genes were predominantly expressed during the anagen phase in the dermal papillae and root sheaths. KRTAP6-1 and KRTAP6-5 mRNA levels were negatively correlated with mean fiber diameter (MFD) and mean staple strength (MSS), suggesting their significant role in wool quality. The findings highlight the potential for using KRTAP6 genes to improve wool traits and economic benefits in sheep farming.

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