Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature

Abstract The Scleractinian corals Orbicella annularis and O. faveolata have survived by acclimatizing to environmental changes in water depth and sea surface temperature (SST). However, the complex physiological mechanisms by which this is achieved remain only partially understood, limiting the accu...

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Autores principales:	Mayandi Sivaguru, Lauren G. Todorov, Courtney E. Fouke, Cara M. O. Munro, Kyle W. Fouke, Kaitlyn E. Fouke, Melinda E. Baughman, Bruce W. Fouke
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cf448a4bafc241a1a3fc0446de05acd4
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spelling	oai:doaj.org-article:cf448a4bafc241a1a3fc0446de05acd42021-12-02T13:57:26ZCorals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature10.1038/s41598-021-81520-02045-2322https://doaj.org/article/cf448a4bafc241a1a3fc0446de05acd42021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81520-0https://doaj.org/toc/2045-2322Abstract The Scleractinian corals Orbicella annularis and O. faveolata have survived by acclimatizing to environmental changes in water depth and sea surface temperature (SST). However, the complex physiological mechanisms by which this is achieved remain only partially understood, limiting the accurate prediction of coral response to future climate change. This study quantitatively tracks spatial and temporal changes in Symbiodiniaceae and biomolecule (chromatophores, calmodulin, carbonic anhydrase and mucus) abundance that are essential to the processes of acclimatization and biomineralization. Decalcified tissues from intact healthy Orbicella biopsies, collected across water depths and seasonal SST changes on Curaçao, were analyzed with novel autofluorescence and immunofluorescence histology techniques that included the use of custom antibodies. O. annularis at 5 m water depth exhibited decreased Symbiodiniaceae and increased chromatophore abundances, while O. faveolata at 12 m water depth exhibited inverse relationships. Analysis of seasonal acclimatization of the O. faveolata holobiont in this study, combined with previous reports, suggests that biomolecules are differentially modulated during transition from cooler to warmer SST. Warmer SST was also accompanied by decreased mucus production and decreased Symbiodiniaceae abundance, which is compensated by increased photosynthetic activity enhanced calcification. These interacting processes have facilitated the remarkable resiliency of the corals through geological time.Mayandi SivaguruLauren G. TodorovCourtney E. FoukeCara M. O. MunroKyle W. FoukeKaitlyn E. FoukeMelinda E. BaughmanBruce W. FoukeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-19 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mayandi Sivaguru Lauren G. Todorov Courtney E. Fouke Cara M. O. Munro Kyle W. Fouke Kaitlyn E. Fouke Melinda E. Baughman Bruce W. Fouke Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
description	Abstract The Scleractinian corals Orbicella annularis and O. faveolata have survived by acclimatizing to environmental changes in water depth and sea surface temperature (SST). However, the complex physiological mechanisms by which this is achieved remain only partially understood, limiting the accurate prediction of coral response to future climate change. This study quantitatively tracks spatial and temporal changes in Symbiodiniaceae and biomolecule (chromatophores, calmodulin, carbonic anhydrase and mucus) abundance that are essential to the processes of acclimatization and biomineralization. Decalcified tissues from intact healthy Orbicella biopsies, collected across water depths and seasonal SST changes on Curaçao, were analyzed with novel autofluorescence and immunofluorescence histology techniques that included the use of custom antibodies. O. annularis at 5 m water depth exhibited decreased Symbiodiniaceae and increased chromatophore abundances, while O. faveolata at 12 m water depth exhibited inverse relationships. Analysis of seasonal acclimatization of the O. faveolata holobiont in this study, combined with previous reports, suggests that biomolecules are differentially modulated during transition from cooler to warmer SST. Warmer SST was also accompanied by decreased mucus production and decreased Symbiodiniaceae abundance, which is compensated by increased photosynthetic activity enhanced calcification. These interacting processes have facilitated the remarkable resiliency of the corals through geological time.
format	article
author	Mayandi Sivaguru Lauren G. Todorov Courtney E. Fouke Cara M. O. Munro Kyle W. Fouke Kaitlyn E. Fouke Melinda E. Baughman Bruce W. Fouke
author_facet	Mayandi Sivaguru Lauren G. Todorov Courtney E. Fouke Cara M. O. Munro Kyle W. Fouke Kaitlyn E. Fouke Melinda E. Baughman Bruce W. Fouke
author_sort	Mayandi Sivaguru
title	Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
title_short	Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
title_full	Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
title_fullStr	Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
title_full_unstemmed	Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
title_sort	corals regulate the distribution and abundance of symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/cf448a4bafc241a1a3fc0446de05acd4
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Corals regulate the distribution and abundance of Symbiodiniaceae and biomolecules in response to changing water depth and sea surface temperature

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