Protamine lacking piscine spermatozoa are transcriptionally active
J. Castro-Arnau, F. Chauvigne, J. Gomez-Garrido, A. Esteve-Codina, M. Dabad, T. Aliotto, R. N. Finn, J. Cerda
The paper shows that in a fish without protamine-mediated chromatin condensation, transcriptional activity in spermatozoa is necessary for motility, challenging the idea that post-meiotic sperm are transcriptionally quiescent.
bioRxiv · Nov 5, 2021 · PreprintCell Biology