Anderson E L, Baltus A E, Roepers-Gajadien H L, Hassold T J, de Rooij D G, van Pelt A M M, Page D C. 2008. Stra8 and its inducer, retinoic acid, regulate meiotic initiation in both spermatogenesis and oogenesis in mice. Proceedings of the National Academy of Sciences of the United States of America, 105, 14976–14980.

Aponte P M. 2020. Isolation, culture, cryopreservation, and identification of bovine, murine, and human spermatogonial stem cells. Methods in Molecular Biology, 2155, 151–164.

Cai H, Jiang Y, Zhang S, Cai N N, Zhu W Q, Yang R, Tang B, Li Z Y, Zhang X M. 2021. Culture bovine prospermatogonia with 2i medium. Andrologia, 53, e14056.

Chen W, Zhang Z, Chang C, Yang Z, Wang P, Fu H, Wei X, Chen E, Tan S, Huang W, Sun L, Ni T, Yang Y, Wang Y. 2020. A bioenergetic shift is required for spermatogonial differentiation. Cell Discovery, 6, 56.

Cheung S, Parrella A, Rosenwaks Z, Palermo G D. 2019. Genetic and epigenetic profiling of the infertile male. PLoS One, 14, e0214275.

Clermont Y. 1972. Kinetics of spermatogenesis in mammals: Seminiferous epithelium cycle and spermatogonial renewal. Physiological Reviews, 52, 198–236.

Ernst C, Eling N, Martinez-Jimenez C P, Marioni J C, Odom D T. 2019. Staged developmental mapping and X chromosome transcriptional dynamics during mouse spermatogenesis. Nature Communications, 10, 1251.

Fouquet J P, Dadoune J P. 1986. Renewal of spermatogonia in the monkey (Macaca fascicularis). Biology of Reproduction, 35, 199–207.

Green C D, Ma Q, Manske G L, Shami A N, Zheng X, Marini S, Moritz L, Sultan C, Gurczynski S J, Moore B B, Tallquist M D, Li J Z, Hammoud S S. 2018. A comprehensive roadmap of murine spermatogenesis defined by single-cell RNA-Seq. Developmental Cell, 46, 651–667.

Grive K J, Hu Y, Shu E, Grimson A, Elemento O, Grenier J K, Cohen P E 2019. Dynamic transcriptome profiles within spermatogonial and spermatocyte populations during postnatal testis maturation revealed by single-cell sequencing. PLoS Genetics, 15, e1007810.

Guo J, Grow E J, Mlcochova H, Maher G J, Lindskog C, Nie X, Guo Y, Takei Y, Yun J, Cai L, Kim R, Carrell D T, Goriely A, Hotaling J M, Cairns B R. 2018. The adult human testis transcriptional cell atlas. Cell Research, 28, 1141–1157.

Guo J, Grow E J, Yi C, Mlcochova H, Maher G J, Lindskog C, Murphy P J, Wike C L, Carrell D T, Goriely A, Hotaling J M, Cairns B R. 2017. Chromatin and single-cell RNA-seq profiling reveal dynamic signaling and metabolic transitions during human spermatogonial stem cell development. Cell Stem Cell, 21, 533–546.

Guo J, Nie X, Giebler M, Mlcochova H, Wang Y, Grow E J, Kim R, Tharmalingam M, Matilionyte G, Lindskog C, Carrell D T, Mitchell R T, Goriely A, Hotaling J M, Cairns B R. 2020. The dynamic transcriptional cell atlas of testis development during human puberty. Cell Stem Cell, 26, 262–276.

Guo J, Sosa E, Chitiashvili T, Nie X, Rojas E J, Oliver E, Plath K, Hotaling J M, Stukenborg J B, Clark A T, Cairns B R. 2021. Single-cell analysis of the developing human testis reveals somatic niche cell specification and fetal germline stem cell establishment. Cell Stem Cell, 28, 764–778.

Han Y, Peñagaricano F. 2016. Unravelling the genomic architecture of bull fertility in Holstein cattle. BMC Genetics, 17, 143.

Hermann B P, Cheng K, Singh A, Roa-De La Cruz L, Mutoji K N, Chen I C, Gildersleeve H, Lehle J D, Mayo M, Westernströer B, Law N C, Oatley M J, Velte E K, Niedenberger B A, Fritze D, Silber S, Geyer C B, Oatley J M, McCarrey J R. 2018. The mammalian spermatogenesis single-cell transcriptome, fromspermatogonial stem cells to spermatids. Cell Reports, 25, 1650–1667.

Hermann B P, Sukhwani M, Hansel M C, Orwig K E. 2010. Spermatogonial stem cells in higher primates: Are there differences from those in rodents? Reproduction, 139, 479–493.

Huang L, Zhang J, Zhang P, Huang X, Yang W, Liu R, Sun Q, Lu Y, Zhang M, Fu Q. 2023. Single-cell RNA sequencing uncovers dynamic roadmap and cell-cell communication during buffalo spermatogenesis. iScience, 26, 105733.

Inoue N, Hess K D, Moreadith R W, Richardson L L, Handel M A, Watson M L, Zinn A R. 1999. New gene family defined by MORC, a nuclear protein required for mouse spermatogenesis. Human Molecular Genetics, 8, 1201–1207.

Kim Y H, Choi Y R, Kim B J, Jung S E, Kim S M, Jin J H, Yun M H, Kim S U, Kim Y H, Hwang S, Pang M G, Ryu B Y. 2019. GDNF family receptor alpha 1 is a reliable marker of undifferentiated germ cells in bulls. Theriogenology, 132, 172–181.

Koskenniemi J J, Virtanen H E, Toppari J. 2017. Testicular growth and development in puberty. Current Opinion in Endocrinology, Diabetes, and Obesity, 24, 215–224.

Lau X, Munusamy P, Ng M J, Sangrithi M. 2020. Single-Cell RNA sequencing of the cynomolgus macaque testis reveals conserved transcriptional profiles during mammalian spermatogenesis. Developmental Cell, 54, 548–566.

Law N C, Oatley M J, Oatley J M. 2019. Developmental kinetics and transcriptome dynamics of stem cell specification in the spermatogenic lineage. Nature Communications, 10, 2787.

Mäkelä J A, Koskenniemi J J, Virtanen H E, Toppari J. 2019. Testis development. Endocrine Reviews, 40, 857–905.

Melé M, Ferreira P G, Reverter F, DeLuca D S, Monlong J, Sammeth M, Young T R, Goldmann J M, Pervouchine D D, Sullivan T J, Johnson R, Segrè A V, Djebali S, Niarchou A, Wright F A, Lappalainen T, Calvo M, Getz G, Dermitzakis E T, Ardlie K G, et al. 2015. The human transcriptome across tissues and individuals. Science, 348, 660–665.

Peng Y, Qiao H. 2021. The Application of single-cell RNA Sequencing in mammalian meiosis studies. Frontiers in Cell and Developmental Biology, 9, 673642.

Plant T M. 2015. Neuroendocrine control of the onset of puberty. Frontiers in Neuroendocrinology, 38, 73–88.

Rawlings N, Evans A C O, Chandolia R K, Bagu E T. 2008. Sexual maturation in the bull. Reproduction in Domestic Animals, 43 (Suppl 2), 295–301.

de Rooij D G. 2017. The nature and dynamics of spermatogonial stem cells. Development, 144, 3022–3030.

Schaschl H, Wallner B. 2020. Population-specific, recent positive directional selection suggests adaptation of human male reproductive genes to different environmental conditions. BMC Evolutionary Biology, 20, 27.

Selvaraju S, Parthipan S, Somashekar L, Binsila B K, Kolte A P, Arangasamy A, Ravindra J P, Krawetz S A 2018. Current status of sperm functional genomics and its diagnostic potential of fertility in bovine (Bos taurus). Systems Biology in Reproductive Medicine, 64, 484–501.

Shami A N, Zheng X, Munyoki S K, Ma Q, Manske G L, Green C D, Sukhwani M, Orwig K E, Li J Z, Hammoud S S. 2020. Single-cell RNA sequencing of human, macaque, and mouse testes uncovers conserved and divergent features of mammalian spermatogenesis. Developmental Cell, 54, 529–547.

Shepherd I T, Pietsch J, Elworthy S, Kelsh R N, Raible D W. 2004. Roles for GFRα1 receptors in zebrafish enteric nervous system development. Development, 131, 241–249.

Sohni A, Tan K, Song H W, Burow D, de Rooij D G, Laurent L, Hsieh T C, Rabah R, Hammoud S S, Vicini E, Wilkinson M F. 2019. The neonatal and adult human testis defined at the single-cell level. Cell Reports, 26, 1501–1517.

Soraggi S, Riera M, Rajpert-De Meyts E, Schierup M H, Almstrup K. 2021. Evaluating genetic causes of azoospermia: What can we learn from a complex cellular structure and single-cell transcriptomics of the human testis? Human Genetics, 140, 183–201.

Staub C, Johnson L. 2018. Review: Spermatogenesis in the bull. Animal, 12, s27–s35.

Suzuki H, Ahn H W, Chu T, Bowden W, Gassei K, Orwig K, Rajkovic A. 2012. SOHLH1 and SOHLH2 coordinate spermatogonial differentiation. Developmental Biology, 361, 301–312.

Tan K, Wilkinson M F. 2020. A single-cell view of spermatogonial stem cells. Current Opinion in Cell Biology, 67, 71–78.

Thundathil J C, Dance A L, Kastelic J P. 2016. Fertility management of bulls to improve beef cattle productivity. Theriogenology, 86, 397–405.

Tyagi G, Carnes K, Morrow C, Kostereva N V, Ekman G C, Meling D D, Hostetler C, Griswold M, Murphy K M, Hess R A, Hofmann M C, Cooke P S. 2009. Loss of Etv5 decreases proliferation and RET levels in neonatal mouse testicular germ cells and causes an abnormal first wave of spermatogenesis. Biology of Reproduction, 81, 258–266.

Wang M, Liu X, Chang G, Chen Y D, An G, Yan L, Gao S, Xu Y, Cui Y, Dong J, Chen Y H, Fan X, Hu Y, Song K, Zhu X, Gao Y, Yao Z, Bian S, Hou Y, Lu J, et al. 2018. Single-cell RNA sequencing analysis reveals sequential cell fate transition during human spermatogenesis. Cell Stem Cell, 23, 599–614.

Witt E, Benjamin S, Svetec N, Zhao L. 2019. Testis single-cell RNA-seq reveals the dynamics of de novo gene transcription and germline mutational bias in Drosophila. eLife, 8, e47138.

Witt E, Shao Z, Hu C, Krause H M, Zhao L. 2021. Single-cell RNA-sequencing reveals pre-meiotic X-chromosome dosage compensation in Drosophila testis. PLoS Genetics, 17, e1009728.

Xu C, Shah M A, Mipam T, Wu S, Yi C, Luo H, Yuan M, Chai Z, Zhao W, Cai X. 2020. Bovid microRNAs involved in the process of spermatogonia differentiation into spermatocytes. International Journal of Biological Sciences, 16, 239–250.

Yang H, Ma J, Wan Z, Wang Q, Wang Z, Zhao J, Wang F, Zhang Y. 2021. Characterization of sheep spermatogenesis through single-cell RNA sequencing. The FASEB Journal, 35, e21187.

Yu X W, Li T T, Du X M, Shen Q Y, Zhang M F, Wei Y D, Yang D H, Xu W J, Chen W B, Bai C L, Li X L, Li G P, Li N, Peng S, Liao M Z, Hua J L. 2021. Single-cell RNA sequencing reveals atlas of dairy goat testis cells. Zoological Research, 42, 401–405.

Zhang L, Li F, Lei P, Guo M, Liu R, Wang L, Yu T, Lv Y, Zhang T, Zeng W, Lu H, Zheng Y. 2021. Single-cell RNA-sequencing reveals the dynamic process and novel markers in porcine spermatogenesis. Journal of Animal Science and Biotechnology, 12, 122.

Zhang T, Murphy M W, Gearhart M D, Bardwell V J, Zarkower D. 2014. The mammalian doublesex homolog DMRT6 coordinates the transition between mitotic and meiotic developmental programs during spermatogenesis. Development, 141, 3662–3671.

Zhang X M. 2021. GFRα-1 is a reliable marker of bovine gonocytes/undifferentiated spermatogonia: A mini-review. Anatomia, Histologia, Embryologia, 50, 13–14.

Zheng H, Stratton C J, Morozumi K, Jin J, Yanagimachi R, Yan W. 2007. Lack of Spem1 causes aberrant cytoplasm removal, sperm deformation, and male infertility. Proceedings of the National Academy of Sciences of the United States of America, 104, 6852–6857.