Integrated transcriptomics and metabolomics study of embryonic breast muscle of Jiaji ducks

文献类型： 外文期刊

第一作者： Gu, Lihong

作者： Gu, Lihong;Chen, Jile;Hu, Chengjun;Wang, Dingfa;Rong, Guang;Lv, Renlong;Xu, Tieshan;Gu, Lihong;Chen, Jile;Huan, Shuqian

作者机构：

关键词： Jiaji duck; Transcriptome; Metabolome; Breast muscle; Joint analysis

期刊名称：BMC GENOMICS （ 影响因子：4.4； 五年影响因子：4.7 ）

ISSN： 1471-2164

年卷期： 2024 年 25 卷 1 期

页码：

收录情况： SCI

摘要： Because number of matured muscle fibers in poultry does not increase after birth, the meat yield is mainly determined during embryogenesis. We previously indicated breast muscle grew rapidly from 18th day after hatching (E18) to E27, and almost stopped from E27 to E34 of Jiaji ducks, while the mechanism is unclear. This study utilized RNA-seq to explore the related genes of muscle development and their relationship with small molecule metabolites at E18, E27 and E34 of Jiaji ducks. Several thousand differentially expressed genes (DEGs) were detected among E18, E27 and E34. DEGs expression profiles included 8 trend maps, among which trend 1 was opposite to and trend 6 was consistent with breast muscle development trend of Jiaji ducks. Through joint analysis between trend 1 of DEGs and trend 1 of differential metabolites (DEMs), protein digestion and absorption pathway stood out. The decrease of COL8A2 gene expression will lead to the decrease of arginine content, which will inhibit the development of breast muscle in embryonic Jiaji duck. Similarly, joint analysis between trend 6 of DEGs and trend 6 of DEMs indicated the increase of GAMT gene expression will cause the increase of proline content, and then promote the development of breast muscle of Jiaji duck in embryonic period. These results will be helpful for further understanding the mechanism of muscle yields of Jiaji ducks.

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