The evolution of mammalian spermatogenesis. The image illustrates a sperm cell and the evolutionary relationship of mammalian species covered in the study. | Illustration: Florent Murat (icons partly adapted from Murat et al., Nature 2022, 10.1038/s41586’022 -05547-7 | CC BY 4.0)
Heidelberg scientists decode the genetic foundations of rapid testicle evolution in mammals and humans. The evolution of mammalian spermatogenesis. The image illustrates a sperm cell and the evolutionary relationship of mammalian species covered in the study. Illustration: Florent Murat (icons partly adapted from Murat et al. Nature 2022, 10.1038/s41586'022 -05547-7 | CC BY 4. Evolutionary pressure across male mammals to guarantee the procreation of their own offspring led to a rapid evolution of the testicle. Bioinformatic studies - conducted by an international team of researchers led by Henrik Kaessmann from the Center for Molecular Biology of Heidelberg University - show that this pressure particularly accelerated the evolution of later stages of sperm formation.
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