Media type: E-Article Title: Promoter hypermethylation of PIWI/piRNA pathway genes associated with diminished pachytene piRNA production in bovine hybrid male sterility Contributor: Zhang, Gong-Wei; Wang, Ling; Chen, Huiyou; Guan, Jiuqiang; Wu, Yuhui; Zhao, Jianjun; Luo, Zonggang; Huang, Wenming; Zuo, Fuyuan imprint: Informa UK Limited, 2020 Published in: Epigenetics Language: English DOI: 10.1080/15592294.2020.1738026 ISSN: 1559-2308; 1559-2294 Origination: Footnote: Access State: Open Access