A functional role for myostatin in muscle hyperplasia and hypertrophy revealed by comparative transcriptomics in Yesso scallop Patinopecten yessoensis

文献类型： 外文期刊

第一作者： Yang, Hongsu

作者： Yang, Hongsu;Wu, Biao;Liu, Zhihong;Liu, Shufang;Sun, Xiujun;Zhou, Liqing;Yang, Hongsu;Wu, Biao;Liu, Zhihong;Liu, Shufang;Sun, Xiujun;Zhou, Liqing;Yang, Hongsu;Zheng, Yanxin;Yu, Tao

作者机构：

关键词： Yesso scallop; Myostatin; Muscle fiber

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）

ISSN： 0141-8130

年卷期： 2025 年 307 卷

页码：

收录情况： SCI

摘要： Elucidating the molecular regulatory mechanisms underlying muscle growth and development is of profound significance in aquaculture. Yesso scallop is a cold-water bivalve of considerable economic importance, having its primary edible component of adductor muscle. In this study, comparative transcriptomics and histological analysis at different sampling times after Myostatin (MSTN) interference were performed to identify the potential candidate genes potentially involved in muscle growth and development. The comparative transcriptomics revealed that growth factors and cytokines, extracellular matrix proteins and ubiquitin-proteasome system are potentially involved in muscle hypertrophy and hyperplasia. After MSTN interference, striated adductor muscle displays significant muscle hypertrophy (51.77 % increase on day 7 and 59.83 % increase on day 21) and muscle hyperplasia (59.36 % increase on day 7 and 61.83 % increase on day 21). WGCNA identifies the key darkolivegreen module, which may play crucial roles in muscle hyperplasia and hypertrophy within the striated muscle of the scallop. Five key transcription factors (zf-CCCH, zf-C2H2, PPP1R10, LRRFIP2, and Gon4) are identified by analyzing the co-expression patterns of core genes within the module. These findings will aid in understanding the regulatory mechanisms of muscle growth in scallops and provide a basis for genetic improvement in shellfish aquaculture.

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