Improvement of skeletal muscle growth by GH/IGF growth-axis contributes to growth performance in commercial fleshy sturgeon
文献类型： 外文期刊
作者： Yang, Shiyong 1 ; Liu, Zhao 1 ; Yan, Zhaozhan 1 ; Zhao, Zhongmeng 1 ; Zhang, Chaoyang 1 ; Gong, Quan 2 ; Du, Xiaogang; 1 ;
作者机构： 1.Sichuan Agr Univ, Dept Aquaculture, Chengdu 611130, Sichuan, Peoples R China
2.Sichuan Acad Agr Sci, Fisheries Res Inst, Chengdu 611731, Peoples R China
3.Sichuan Agr Univ, Coll Life Sci, Yaan 625000, Sichuan, Peoples R China
关键词： Sturgeon; Transcriptome; GH/IGF growth-axis gene; Skeletal muscle growth performance; Hybrid F1 (A. baeri female x A. schrenckii male)
期刊名称：AQUACULTURE （ 影响因子：4.242； 五年影响因子：4.723 ）
ISSN： 0044-8486
年卷期： 2021 年 543 卷
页码：
收录情况： SCI
摘要： As the most trait of commercial fish, increasing the growth rate of skeletal muscle is of great significance to aquaculture industry. However, the regulation of growth hormone/somatomedin (GH/IGF) growth-axis on skeletal muscle has not been effectively applied for many years, and its effect on fish and production significance for aquaculture need to be further studied. This study investigated the regulatory mechanism in sturgeon development and combined multiple organ transcriptomics revealed some common pathways emerged in the developed sturgeon including "Cytokine-cytokine receptor interaction", "Focal adhesion", and "Arginine and Proline Metabolism", while many specific pathways have also been enriched in each organ. Further, all annotated GH/IGF growth-axis related genes were higher in 12 months post-fertilized sturgeon than in 24 months one, showing the potential regulation of GH/IGF growth-axis in sturgeon growth. Besides, we found that our developed hybrid F1 sturgeons with Acipenser baeri female and Acipenser schrenckii male were highly expressed in downstream of GH/IGF growth-axis than that of A. schrenckii F1 and obviously higher than A. baeri F1. The hybrid F1 with high GH/IGF growth-axis expression and high myofiber diameter also has higher growth performance. The implementation of this study proved the promotion of GH/IGF growth-axis gene on sturgeon growth, which provided a target for further development of commercial fleshy varieties in the future.
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