A burst of regulatory and protein innovation at the origin of placental mammals drove the emergence of placenta and underpins divergent early pregnancy strategies in modern mammals.
A. S. Taylor, H. Tinning, V. Ovchinnikov, W. Smith, A. L. Pullinger, R. A. Sutton, B. Constantinides, D. Wang, N. Forde, M. J. O'Connell
The paper identifies a core miRNA network that originated in placental mammals and explains the evolution of placenta and diverse pregnancy strategies.
bioRxiv · Jul 22, 2021 · PreprintEvolutionary Biology