RNA-Seq Analysis Reveals Hub Genes Involved in Chicken Intramuscular Fat and Abdominal Fat Deposition During Development

文献类型： 外文期刊

第一作者： Xing, Siyuan

作者： Xing, Siyuan;Liu, Ranran;Zhao, Guiping;Liu, Lu;Zheng, Maiqing;Yang, Xinting;Wen, Jie;Xing, Siyuan;Groenen, Martien A. M.;Madsen, Ole;Crooijmans, Richard P. M. A.

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关键词： chicken; intramuscular fat; abdominal fat; transcriptome; tissue development

期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.599； 五年影响因子：4.888 ）

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年卷期： 2020 年 11 卷

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收录情况： SCI

摘要： Fat traits are important in the chicken industry where there is a desire for high intramuscular fat (IMF) and low abdominal fat. However, there is limited knowledge on the relationship between the dynamic status of gene expression and the body fat deposition in chicken. Transcriptome data were obtained from breast muscle and abdominal fat of female chickens from nine developmental stages (from embryonic day 12 to hatched day 180). In total, 8,545 genes in breast muscle and 6,824 genes in abdominal fat were identified as developmentally dynamic genes. Weighted correlation network analysis was used to identify gene modules and the hub genes. Twenty-one hub genes were identified, e.g.,ENSGALG00000041996, which represents a candidate for high IMF, andCREB3L1, which relates to low abdominal fat weight. The transcript factorL3MBTL1and the transcript factor cofactorsTNIP1,HAT1, andBEND6related to both high breast muscle IMF and low abdominal fat weight. Our results provide a resource of developmental transcriptome profiles in chicken breast muscle and abdominal fat. The candidate genes can be used in the selection for increased IMF content and/or a decrease in abdominal fat weight which would contribute to the improvement of these traits.

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