Transcriptome-Wide Study of mRNAs and lncRNAs Modified by m(6)A RNA Methylation in the Longissimus Dorsi Muscle Development of Cattle-Yak

文献类型： 外文期刊

第一作者： Huang, Chun

作者： Huang, Chun;Dai, Rongfeng;Meng, Guangyao;Wang, Xingdong;Ren, Wenwen;Ma, Xiaoming;Wu, Xiaoyun;Chu, Min;La, Yongfu;Bao, Pengjia;Guo, Xian;Pei, Jie;Yan, Ping;Liang, Chunnian;Huang, Chun;Dai, Rongfeng;Meng, Guangyao;Wang, Xingdong;Ren, Wenwen;Ma, Xiaoming;Wu, Xiaoyun;Chu, Min;La, Yongfu;Bao, Pengjia;Guo, Xian;Pei, Jie;Yan, Ping;Liang, Chunnian;Dingkao, Renqing

作者机构：

关键词： cattle-yak; N6-methyladenosine; mRNA and lncRNA; muscle development

期刊名称：CELLS （ 影响因子：7.666； 五年影响因子：7.677 ）

ISSN：

年卷期： 2022 年 11 卷 22 期

页码：

收录情况： SCI

摘要： Cattle-yak is a hybrid F-1 generation of cattle and yak, which has a history of more than 3000 years and has shown better production performance and higher economic benefits than those of yaks. However, up to now, there has been no study on the transcriptome-wide m(6)A methylation profile of bovine skeletal muscle and its potential biological function during muscle development. Here, we observed significant changes in the expression levels of muscle-related marker genes and methylation-related enzymes during the development of cattle-yak, and the overall m(6)A content in the Longissimus dorsi muscle of 18-month-old cattle-yak decreased significantly. A total of 36,602 peaks, 11,223 genes and 8388 lncRNAs were identified in the two groups, including 2989 differential peaks (427 up-regulated peaks and 2562 down-regulated peaks), 1457 differentially expressed genes (833 up-regulated genes and 624 down-regulated genes) and 857 differentially expressed lncRNAs (293 up-regulated lncRNAs and 564 down-regulated lncRNAs). GO and KEGG analysis revealed that they were significantly enriched in some muscle-related pathways (Wnt signaling pathway and MAPK signaling pathway) and high-altitude adaptation-related pathway (HIF-1 signaling pathway). Moreover, m(6)A abundance was positively correlated with gene expression levels, while it was negatively correlated with lncRNA expression levels. This indicates that m(6)A modification played an important role in the Longissimus dorsi muscle development of cattle-yak; however, the regulation mechanism of m(6)A-modified mRNA and lncRNA may be different. This study was the first report of transcriptome-wide m(6)A-modified mRNAs and lncRNAs atlas in the Longissimus dorsi muscle development of cattle-yak, one which will provide new perspectives for genetic improvement in bovines.

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