Comprehensive Analysis of Methylome and Transcriptome to Identify Potential Genes Regulating Porcine Testis Development
文献类型： 外文期刊
作者： Feng, Yue 1 ; Zhang, Yu 1 ; Wu, Junjing 1 ; Qiao, Mu 1 ; Zhou, Jiawei 1 ; Xu, Zhong 1 ; Li, Zipeng 1 ; Sun, Hua 1 ; Peng, Xianwen 1 ; Mei, Shuqi 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Anim Husb & Vet, Hubei Key Lab Anim Embryo & Mol Breeding, Wuhan 430064, Peoples R China
2.Hubei Hongshan Lab, Wuhan 430070, Peoples R China
关键词： DNA methylation; porcine; testicular development; WGBS; RNA-Seq
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2024 年 25 卷 16 期
页码：
收录情况： SCI
摘要： DNA methylation plays a critical role in regulating gene expression during testicular development. However, few studies report on candidate genes related to the DNA methylation regulation of porcine testicular development. This study examined the differentially expressed genes (DEGs) and their methylation levels in testicular tissues from pigs at 60 days of age (60 d) and 180 days of age (180 d) using RNA-Seq and whole genome bisulfite sequencing (WGBS). It was determined that DNA methylation primarily occurs in the cytosine-guanine (CG) context, and the analysis identified 106,282 differentially methylated regions (DMRs) corresponding to 12,385 differentially methylated genes (DMGs). Further integrated analysis of RNA-Seq and WGBS data revealed 1083 DMGs negatively correlated with the expression of DEGs. GO analysis showed that these genes were significantly enriched in spermatogenesis, germ cell development, and spermatid differentiation. The screening of enriched genes revealed that hyper-methylation repressed ADAM30, ADAM3A, DPY19L2, H2BC1, MAK, RPL10L, SPATA16, and YBX2, while hypo-methylation elevated CACNA1I, CADM1, CTNNB1, JAM2, and PAFAH1B3 expression. Additionally, the methylation status of the key genes ADAM3A, ADAM30, YBX2, JAM2, PAFAH1B3, and CTNNB1 was detected by bisulfite sequencing PCR (BSP). This study offers insights into the epigenetic regulation mechanisms underlying porcine testicular development.
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