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Endogenous and exogenous control of gametogenesis and spawning in echinoderms
Mercier, A.; Hamel, J.-F. (2009). Endogenous and exogenous control of gametogenesis and spawning in echinoderms. Advances in Marine Biology, 55. Elsevier: Amsterdam. ISBN 978-0-12-374959-8. xii, 302 pp. https://hdl.handle.net/10.1016/S0065-2881(09)55001-8
Part of: Advances in Marine Biology. Academic Press: London, New York. ISSN 0065-2881, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Non-open access 294103

Keywords
    Gametogenesis; Spawning; Echinodermata [WoRMS]; Marine

Authors  Top 
  • Mercier, A.
  • Hamel, J.-F.

Abstract
    Most echinoderms display seasonal or other temporal cycles of reproduction that presumably result from the complex interplay of endogenous and exogenous signals. Various environmental, chemical and hormonal factors, acting directly or indirectly, individually or in combination, have been proposed to cue, favour or modulate a suite of reproductive functions from the onset of gametogenesis to gamete release. From as early as the nineteenth century, an astonishing array of studies has been published on topics related to the control of reproduction in echinoderms, ranging from fortuitous behavioural observations to complex experimental demonstrations and molecular analyses. Although the exact pathways involved in the perception of external signals and their transduction into coordinated spawning events remain obscure for most species, significant advances have been made that shed new light on the information gathered over decades of research. By compiling the existing literature (over 1000 references), interpreting the main results, critically assessing the methodologies used and reviewing the emerging hypotheses, we endeavour to draw a clearer picture of the existing knowledge and to provide a framework for future investigation of the mechanisms that underlie reproductive strategies in echinoderms and, by extension, in other marine invertebrates.

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