bioRxiv preprint doi: https://doi.org/10.1101/2020.09.25.313908; this version posted September 25, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. Insights into the mechanism of bovine spermiogenesis based on comparative transcriptomic studies Xin Li 1, Chenying Duan 2, Ruyi Li 2, Dong Wang 1,* 1 Institute of Animal Science, Chinese Academy of Agricultural Sciences, 100193 Beijing, China 2 College of Animal Science and Technology, Jilin Agricultural University, 130118 Changchun, China * Corresponding author: Dong Wang E-mail:
[email protected] Keywords: Spermiogenesis, Differentially expressed genes, Homology trends analysis, Protein-regulating network, ADP-ribosyltransferase 3 (ART3) 1 bioRxiv preprint doi: https://doi.org/10.1101/2020.09.25.313908; this version posted September 25, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. (2), resulting in a tremendous waste. At the same Abstract time, about 15% of the couples of childbearing age worldwide are affected by infertility, of To reduce the reproductive loss caused by which 50% are due to male factors (3), and even semen quality and provide theoretical guidance sperm with normal morphology can cause