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Author Kaniewska, P.; Alon, S.; Karako-Lampert, S.; Hoegh-Guldberg, O.; Levy, O.
Title Signaling cascades and the importance of moonlight in coral broadcast mass spawning Type Journal Article
Year 2015 Publication eLife Abbreviated Journal
Volume (down) 4 Issue Pages e09991
Keywords Animals; coral; chronobiology; reproductive strategies; reproductive synchronization; Great Barrier Reef; neurohormones; marine; oceans; invertebrates
Abstract Many reef-building corals participate in a mass-spawning event that occurs yearly on the Great Barrier Reef. This coral reproductive event is one of earth's most prominent examples of synchronised behavior, and coral reproductive success is vital to the persistence of coral reef ecosystems. Although several environmental cues have been implicated in the timing of mass spawning, the specific sensory cues that function together with endogenous clock mechanisms to ensure accurate timing of gamete release are largely unknown. Here, we show that moonlight is an important external stimulus for mass spawning synchrony and describe the potential mechanisms underlying the ability of corals to detect environmental triggers for the signaling cascades that ultimately result in gamete release. Our study increases the understanding of reproductive chronobiology in corals and strongly supports the hypothesis that coral gamete release is achieved by a complex array of potential neurohormones and light-sensing molecules.
Address Global Change Institute and ARC Centre of Excellence for Coral Reef Studies, The University of Queensland, St Lucia, Australia; oveh(at)uq.edu.au
Corporate Author Thesis
Publisher eLife Place of Publication Editor
Language English Summary Language English Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2050-084X ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1321
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