Circular RNA transcriptome across various development periods of Paralichthys olivaceus reveal skeletal muscle-specific circchd6 regulating myogenesis
文献类型： 外文期刊
作者： Wang, Hao 1 ; Zhang, Jingru 1 ; Li, Guangling 1 ; Liu, Binghua 2 ; Liu, Min 1 ; Tang, Hengtai 1 ; Wen, Haishen 1 ; He, Feng 1 ;
作者机构： 1.Ocean Univ China, Key Lab Mariculture, Minist Educ, Qingdao 266000, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao 266071, Peoples R China
关键词： Paralichthys olivaceus; CircRNAs; Skeletal muscle development; Regulate
期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：2.4； 五年影响因子：2.8 ）
ISSN： 1744-117X
年卷期： 2025 年 55 卷
页码：
收录情况： SCI
摘要： The Japanese flounder (Paralichthys olivaceus) is greatly influenced in terms of muscle quality and quantity by the development of skeletal muscle. While the mechanisms underlying skeletal muscle development are well-studied, the role of non-coding RNAs, particularly circRNAs, in the skeletal muscle development of Japanese flounder remains unclear. To investigate the expression patterns of circRNAs during different developmental stages (JP1: 7 days, JP2: 90 days, JP3: 24 months (female), JP4: 24 months (male)) in Japanese flounder, we performed transcriptome sequencing analysis. We identified a total of 3523 circRNAs, of which 10.19 % were differentially expressed. These differentially expressed (DE) circRNAs were studied, and their impacts on muscle development were analyzed. The RNA interaction network revealed that skeletal muscle-specific circchd6 targeted novel-miR508 and further regulated dual specificity tyrosine-phosphorylation regulated kinase 2 (dyrk2). Functional analysis showed that overexpressed circchd6 and dyrk2 promoted myoblast proliferation and differentiation, while novel-miR-508 inhibited both. Our study identified the circchd6-novel-miR-508-dyrk2 axis as a regulatory mechanism and provided new evidence for the use of epigenetic approaches in genetic breeding.
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