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A new conceptual model for the enhanced release of mucus in symbiotic reef corals during 'bleaching' conditions

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dc.contributor Australian Institute Of Marine Science
dc.contributor Australian Inst Marine Sci
dc.contributor Australian Institute Of Marine Science (aims) en WOOLDRIDGE, SCOTT A. 2017-03-21T00:51:37Z 2017-03-21T00:51:37Z 2013-02-28T06:45:57Z 2019-05-09T01:06:46Z 2017-03-21T00:51:37Z 2013-02-28T06:45:57Z 2013-02-28T06:45:57Z 2019-05-09T01:06:46Z 2009-01-01
dc.identifier 8394 en
dc.identifier.citation Wooldridge SA (2009) A new conceptual model for the enhanced release of mucus in symbiotic reef corals during 'bleaching' conditions. Marine Ecology Progress Series. 396: 145-152. en
dc.identifier.issn 0171-8630
dc.description Link to abstract/full text - en
dc.description.abstract Symbiotic reef corals exude large volumes of mucus when exposed to environmental conditions that challenge the integrity of the coral-algae endosymbiosis. Here, the physiological consequences of CO2-limitation within the 'dark' photosynthetic reactions of the algal endosymbionts ('zooxanthellae') are investigated as the possible cause of the release of 2 different forms of mucus: mucus-polysaccharide and mucus-lipid. This mechanism may explain why the experimental addition of specific host-derived free amino acids (commonly referred to as 'host factors') enhances photosynthate release and carbon fixation rates from in vitro zooxanthellae. Furthermore, it reinforces the often-ignored importance of the coral host in maintaining the stability and functioning of the intact symbiosis in the face of environmental stress, even supporting the possibility that disruption to hostcontrolled processes ultimately triggers the breakdown of the symbiosis leading to the mass expulsion of zooxanthellae ('coral bleaching').
dc.description.sponsorship This work was supported by the Australian Government's Marine and Tropical Science Research Facility (MTSRF). The manuscript benefited from the comments of 5 anonymous reviewers,
dc.description.uri en
dc.language English
dc.language en en
dc.relation.ispartof Marine Ecology Progress Series - pages: 396: 145-152 en
dc.relation.ispartof Null
dc.subject Great-barrier-reef
dc.subject Microalgal-invertebrate Symbioses
dc.subject Photosystem-ii
dc.subject Ecology
dc.subject Environmental Sciences & Ecology
dc.subject Montastrea-annularis
dc.subject Anemone Aiptasia-pulchella
dc.subject Photoinhibition
dc.subject Lipogenesis
dc.subject Marine & Freshwater Biology
dc.subject Host Release Factor
dc.subject Inorganic Carbon
dc.subject Oceanography
dc.subject Hermatypic Corals
dc.subject Sea-anemone
dc.subject Temperature Stress
dc.subject Scleractinian Coral
dc.subject Coral Bleaching
dc.title A new conceptual model for the enhanced release of mucus in symbiotic reef corals during 'bleaching' conditions
dc.type journal article en
dc.identifier.doi 10.3354/meps08310
dc.identifier.wos WOS:000273549400012

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