Biosynthesis of hamster zona pellucida is restricted to the oocyte

MJ Izquierdo-Rico, L Gimeno, C Jiménez-Cervantes… - Theriogenology, 2011 - Elsevier
The zona pellucida (ZP) is an extracellular coat that surrounds the mammalian oocyte and
the early embryo until implantation. This coat mediates several critical aspects of fertilization …

[PDF][PDF] Investigation of the levels of sperm-binding gene expression in frogs from the genera Xenopus and Lepidobatrachus

KS Jones - 2011 - dspace.calstate.edu
Pre-zygotic blocks to fertilization create scenarios where two members of an interbreeding
population are unable to conceive and produce offspring resulting in reproductive isolation …