Comparative sperm methylome analysis provide insights into complex phenotypes and epigenome evolution
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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http://data.iscr.ac.cn/Article?id=779a70d58542e9843b4b1feb2ba3e54a
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Using whole-genome bisulfite sequencing (WGBS), we profiled 18 DNA methylomes of cattle sperms that were collected from 18 representative age-matched Holstein bulls with high reliable phenotypes on many complex traits, including sire-conception rate (SCR), gestation length (GL), sire calving ease (SCE), cow conception rate (CCR) and body depth (BDE). Through comparison with human sperm methylome, we observed that genomic regions with differetial DNA methylation levels were enriched for GWAS signals and had important evolutionary impact. By comparing animals with extreme SCR, we showed that differentially methylated regions (DMR) associated with SCR and aging were significantly and selectively enriched for GWAS signals of male fertility traits in cattle. In addition, we detected ans compared DMRs assocaited with GL, CCR, SCE and BDE. We integrated GWAS signals of 37 complex traits with DMRs associated with GL to provide insights into genetic basis of GL.
提供机构：
USDA
创建时间：
2022-02-20
