Publication: Glycoconjugates within the oviduct and their functional significance with special reference to marsupials
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Date
2010
Authors
Chapman, Jamie A. ; Chuah, M.I. ; Breed, William G.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
In placental (eutherian) mammals, a number
of important events take place within the oviduct
including the pre-fertilisation maturation of gametes
(including sperm storage), sperm-egg interactions, egg
activation and early embryonic development. Many of
these events involve interactions of glycoconjugates;
both on the surface of the gametes and with the
secretions of the oviductal epithelium and these have
best been studied in eutherian mammals. In marsupials,
however, while the oviduct is known to produce the
extracellular egg coat, the mucoid layer, that comes to
surround the zona pellucida, its role in the maturation of
gametes is only now being elucidated, particularly in the
oocyte. This review emphasises what is known of the
structure and function of the oviduct and its secretions in
marsupials and briefly compares it with data from
eutherians. In particular, knowledge of oviductal
glycoconjugates in the structure of the post-ovulatory
oocyte and its vestments around the time of fertilisation
in Australian marsupials is outlined.
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