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Regulatory actions of neuropeptides and peptide hormones on the reproduction of molluscs

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Reproductive success of individual animals is essential for the survival of any species. Molluscs have adapted to a wide variety of environments (freshwater, brackish water, seawater, and terrestrial habits) and have evolved unique tactics for reproduction. Both of these features attract the academic interests of scientists. Because neuropeptides and peptide hormones play critical roles in neural and neurohormonal regulation of physiological functions and behaviors in this animal group, the regulatory actions of these messengers in reproduction have been extensively investigated. In this review, we will briefly summarize how peptidergic messengers are involved in various aspects of reproduction, using some peptides such as egg-laying hormone, caudo-dorsal cell hormone, APGWamide, and gonadotropin-releasing hormone as typical examples.

Le succès reproductif des animaux individuels est essentiel pour la survie de toute espèce. Les mollusques se sont adaptés à une gamme étendue d’environnements (eaux douces, eaux saumâtres, eau de mer et habitats terrestres) et ont développé des tactiques originales de reproduction. Ces deux caractéristiques ont attiré l’intérêt académique des chercheurs. Puisque les neuropeptides et les hormones peptidiques jouent un rôle clé dans la régulation neurale et neurohormonale des fonctions physiologiques et des comportements dans ce groupe animal, les fonctions régulatrices de ces messagers dans la reproduction ont été très bien étudiées. Dans notre rétrospective, nous résumons brièvement comment les messagers peptidergiques sont impliqués dans les divers aspects de la reproduction en utilisant quelques peptides, tels que l’hormone de ponte, hormone de la cellule caudo-dorsale, l’APGWamide et l’hormone de libération des gonadotrophines, comme exemples typiques.
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Document Type: Research Article

Publication date: 2010-09-01

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  • Published since 1929, this monthly journal reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.
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