Transcriptome sequencing and analysis for the pigmentation of scale and skin in common carp (Cyprinus carpio)

文献类型： 外文期刊

第一作者： Zhao, Yu-Jie

作者： Zhao, Yu-Jie;Xiao, Jun;Mei-Di Huangyang;Zhao, Yu-Jie;Xiao, Jun;Mei-Di Huangyang;Zhao, Ran;Wang, Qi;Zhang, Yan;Li, Jiong-Tang

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关键词： Common carp; Coloration; Transcriptome sequencing; Scale; Skin

期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：1.402； 五年影响因子：1.703 ）

ISSN： 0301-4851

年卷期： 2021 年 48 卷 3 期

页码：

收录情况： SCI

摘要： Background Teleost scale not only provides a protective layer resisting penetration and pathogens but also participate in coloration. It is interesting to study the mechanism of teleost scale formation. Furthermore, whether there existed consensus genes between scale coloration and skin coloration has not been examined yet. Methods and results We analyzed the transcriptome profiles of red scale, white scale, red skin, and white skin of common carp (Cyprinus carpio). Pair-wise comparison identified 3391 differentially expressed genes (DEGs) between scale and skin, respectively. The 1765 up-regulated genes (UEGs) in scale, as the down-regulated genes in skin, preferred mineralization and other scale development-related processes. The 1626 skin UEGs were enriched in the morphogenesis of skin and appendages. We also identified 195 UEGs in white scale and 223 UEGs in red scale. The white scale UEGs primarily participated in regulation of growth and cell migration. The UEGs in red scale preferred pigment cell differentiation and retinoid metabolic process. A total of 22 DEGs had consensus expression patterns in skin and scale of the same coloration. The expression levels of these DEGs clearly grouped skin and scale of the same coloration together with principle component analysis and correlation analysis. Eleven consensus DEGs were homologous to the orthologs of Poropuntius huangchuchieni, 82% of which were under strong purifying selection. Eight processes including lipid storage and lipid catabolism were shared in both scale pigmentation and skin pigmentation. Conclusions We identified consensus DEGs and biological processes in scale and skin pigmentation. Our transcriptome analysis will contribute to further elucidation of mechanisms of teleost scale formation and coloration.

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