Reproductive plasticity of Hawaiian Montipora corals following thermal stress

Abstract Ocean warming, fueled by climate change, is the primary cause of coral bleaching events which are predicted to increase in frequency. Bleaching is generally damaging to coral reproduction, can be exacerbated by concomitant stressors like ultraviolet radiation (UVR), and can have lasting imp...

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Autores principales:	E. Michael Henley, Mariko Quinn, Jessica Bouwmeester, Jonathan Daly, Nikolas Zuchowicz, Claire Lager, Daniel W. Bailey, Mary Hagedorn
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a9f1d27a79754decadf72a191df1acf5
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spelling	oai:doaj.org-article:a9f1d27a79754decadf72a191df1acf52021-12-02T17:52:25ZReproductive plasticity of Hawaiian Montipora corals following thermal stress10.1038/s41598-021-91030-82045-2322https://doaj.org/article/a9f1d27a79754decadf72a191df1acf52021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91030-8https://doaj.org/toc/2045-2322Abstract Ocean warming, fueled by climate change, is the primary cause of coral bleaching events which are predicted to increase in frequency. Bleaching is generally damaging to coral reproduction, can be exacerbated by concomitant stressors like ultraviolet radiation (UVR), and can have lasting impacts to successful reproduction and potential adaptation. We compared morphological and physiological reproductive metrics (e.g., sperm motility, mitochondrial membrane integrity, egg volume, gametes per bundle, and fertilization and settlement success) of two Hawaiian Montipora corals after consecutive bleaching events in 2014 and 2015. Between the species, sperm motility and mitochondrial membrane potential had the most disparate results. Percent sperm motility in M. capitata, which declined to ~ 40% during bleaching from a normal range of 70–90%, was still less than 50% motile in 2017 and 2018 and had not fully recovered in 2019 (63% motile). By contrast, percent sperm motility in Montipora spp. was 86% and 74% in 2018 and 2019, respectively. This reduction in motility was correlated with damage to mitochondria in M. capitata but not Montipora spp. A major difference between these species is the physiological foundation of their UVR protection, and we hypothesize that UVR protective mechanisms inherent in Montipora spp. mitigate this reproductive damage.E. Michael HenleyMariko QuinnJessica BouwmeesterJonathan DalyNikolas ZuchowiczClaire LagerDaniel W. BaileyMary HagedornNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q E. Michael Henley Mariko Quinn Jessica Bouwmeester Jonathan Daly Nikolas Zuchowicz Claire Lager Daniel W. Bailey Mary Hagedorn Reproductive plasticity of Hawaiian Montipora corals following thermal stress
description	Abstract Ocean warming, fueled by climate change, is the primary cause of coral bleaching events which are predicted to increase in frequency. Bleaching is generally damaging to coral reproduction, can be exacerbated by concomitant stressors like ultraviolet radiation (UVR), and can have lasting impacts to successful reproduction and potential adaptation. We compared morphological and physiological reproductive metrics (e.g., sperm motility, mitochondrial membrane integrity, egg volume, gametes per bundle, and fertilization and settlement success) of two Hawaiian Montipora corals after consecutive bleaching events in 2014 and 2015. Between the species, sperm motility and mitochondrial membrane potential had the most disparate results. Percent sperm motility in M. capitata, which declined to ~ 40% during bleaching from a normal range of 70–90%, was still less than 50% motile in 2017 and 2018 and had not fully recovered in 2019 (63% motile). By contrast, percent sperm motility in Montipora spp. was 86% and 74% in 2018 and 2019, respectively. This reduction in motility was correlated with damage to mitochondria in M. capitata but not Montipora spp. A major difference between these species is the physiological foundation of their UVR protection, and we hypothesize that UVR protective mechanisms inherent in Montipora spp. mitigate this reproductive damage.
format	article
author	E. Michael Henley Mariko Quinn Jessica Bouwmeester Jonathan Daly Nikolas Zuchowicz Claire Lager Daniel W. Bailey Mary Hagedorn
author_facet	E. Michael Henley Mariko Quinn Jessica Bouwmeester Jonathan Daly Nikolas Zuchowicz Claire Lager Daniel W. Bailey Mary Hagedorn
author_sort	E. Michael Henley
title	Reproductive plasticity of Hawaiian Montipora corals following thermal stress
title_short	Reproductive plasticity of Hawaiian Montipora corals following thermal stress
title_full	Reproductive plasticity of Hawaiian Montipora corals following thermal stress
title_fullStr	Reproductive plasticity of Hawaiian Montipora corals following thermal stress
title_full_unstemmed	Reproductive plasticity of Hawaiian Montipora corals following thermal stress
title_sort	reproductive plasticity of hawaiian montipora corals following thermal stress
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a9f1d27a79754decadf72a191df1acf5
work_keys_str_mv	AT emichaelhenley reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT marikoquinn reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT jessicabouwmeester reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT jonathandaly reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT nikolaszuchowicz reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT clairelager reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT danielwbailey reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress AT maryhagedorn reproductiveplasticityofhawaiianmontiporacoralsfollowingthermalstress
_version_	1718379186101420032

Reproductive plasticity of Hawaiian Montipora corals following thermal stress

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