The type I activin receptor ActRIB is required for egg cylinder organization and gastrulation in the mouse.
Gu Z, Nomura M, Simpson BB, Lei H, Feijen A, van den Eijnden-van Raaij J, Donahoe PK, Li E. The type I activin receptor ActRIB is required for egg cylinder organization and gastrulation in the mouse. Genes Dev. 1998 Mar 15; 12(6):844-57.