Genome-wide DNA methylation analysis reveals different methylation patterns in Chinese indigenous sheep with different type of tail

文献类型： 外文期刊

第一作者： Caiye, Zhu

作者： Caiye, Zhu;Li, Minna;Huang, Xaioyu;Fang, Suli;Song, Shuzhen;Luo, Yan

作者机构：

关键词： sheep; tail type; tail fat deposition; DNA methylation; genome

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：3.2； 五年影响因子：3.5 ）

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年卷期： 2023 年 10 卷

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收录情况： SCI

摘要： BackgroundThe study was aimed to analyze the difference of genome-wide DNA differential methylation in Lanzhou Large-tailed sheep, Altay sheep and Tibetan sheep, which the typical breeds with different type tails, as to screen the differentially methylated genes (DMGs) that affect the type of tails. MethodsIn this study, three Lanzhou Large-tailed sheep, three Altay sheep and three Tibetan sheep were detected by whole genome bisulfite sequencing (WGBS). The degree of genome-wide DNA methylation, differentially methylated regions (DMRs) and DMGs were analyzed. The candidate genes affecting the tail type of sheep were identified by GO and KEGG pathway enrichment analysis of DMGs. Resultswe identified 68,603 different methylated regions (DMCs) and 75 differentially methylated genes (DMGs) associated with these DMCs. Functional analysis showed that these DMGs were mainly enriched in biological process, cellular component and molecular function, Some of the genes in these pathways are involved in fat metabolism: NFATC4, LPIN2, MGAT2 and MAT2B. ConclusionOur results may help to further understand the epigenetic regulation mechanisms of deposition of fat in the tail of sheep and provide new basic data for the study of local sheep.

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