期刊
PAKISTAN JOURNAL OF ZOOLOGY
卷 55, 期 1, 页码 315-321出版社
ZOOLOGICAL SOC PAKISTAN
DOI: 10.17582/journal.pjz/20190801030838
关键词
Goat; KITL; Sequence analysis; Gene expression; Skin pigmentation
类别
This study cloned the goat KITL gene sequence and analyzed its different expression levels in goat tissue. The results showed that the goat KITL gene encoded a protein with high homology to other mammalian species. Additionally, the KITL gene was extensively expressed in goat tissue at different ages. The mRNA and protein levels of KITL were found to increase in goat skin with age, confirming its role in skin pigmentation.
Kit-ligand (KITL) plays a crucial role in skin melanocyte development and maintenance. However, the KITL function and its influence on Youzhou dark goat skin pigmentation remains unclear. The present study cloned goat KITL gene sequence, predicted the physicochemical properties of the gene-encoding protein, and analyzed the different expression level in goat tissue. The result showed that the coding region of goat KITL gene was 825-bp long and encoded 274 amino acids. The goat KITL amino acid sequence had high homology with this molecule in other mammalian species. And the KITL gene was extensively expressed at 0-, 12-, and 24-month-old goat tissue. Moreover, the mRNA and protein of KITL were increasing at 0-, 12-, and 24-month-old goat skin, which were confirmed by real-time qPCR, western blotting and immunohistochemical analysis. This study provides a theoretical basis for further clarifying the biological function of the KITL gene in goat.
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