Life without cytoplasm: sperm sustain protein production utilizing cytoplasmic droplets and mitochondria as translational apparatuses
Zhuqing Wang, Hetan Wang, Rubens Daniel Miserani Magalhães, Sheng Chen, Siying Meng, Dayton Morris, Sarah Crane, Hayden McSwiggin, Anne Elizabeth Yan, Saayli Khambekar, Brian Nguyen, Huili Zheng, Wei Yan
This study shows mammalian sperm use cytoplasmic droplets and mitochondria for protein synthesis during epididymal maturation, overcoming transcriptional silence to achieve motility and fertility.
bioRxiv · Aug 11, 2026 · PreprintCell Biology