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Few major histocompatibility complex (MHC)-based mate choice studies include all MHC genes at the inter-individual, sperm-egg… Expand Sialic acids are a subset of nine-carbon alpha-keto aldonic acids involved in various biological functions. Sialic acid on the… Expand In mammals, transit through the epididymis, which involves the acquisition, loss and modification of proteins, is required to… Expand Reproductive isolation is an important part of the speciation process. Recent studies of birds have highlighted not only the… Expand Maximum-Likelihood-based and parsimony-based methods were used to test for potential effects of positive selection on the… Expand We have previously suggested that the human fetus is protected during human development by a system of both soluble and cell… Expand Background: The zona pellucida (ZP), an extracellular matrix which surrounds mammalian oocytes, is formed by different… Expand Vitelline coats (VCs) of Phallusia mammillata were isolated and purified following homogenization of live eggs in order to… Expand Recent evidence indicates that a carbohydrate recognition mechanism is involved in the early stages of sperm-egg interaction in… Expand A method is described for isolating preparative quantities of plasma membranes from sea urchin sperm. The final membrane fraction… Expand