Stable Symbiodiniaceae composition in three coral species during the 2017 natural bleaching event in subtropical Hong Kong

Jack Chi Ho IP; Yanjie ZHANG; James Y. XIE; Yip Hung YEUNG; Jian Wen QIU

doi:10.1016/j.marpolbul.2022.114224

Stable Symbiodiniaceae composition in three coral species during the 2017 natural bleaching event in subtropical Hong Kong

Jack Chi Ho IP, Yanjie ZHANG, James Y. XIE, Yip Hung YEUNG, Jian Wen QIU^*

^*Corresponding author for this work

Research output: Journal Publications › Journal Article (refereed) › peer-review

3 Citations (Scopus)

Abstract

Adaptive changes in endosymbiotic Symbiodiniaceae communities have been reported during and after bleaching events in tropical coral species, but little is known about such shifts in subtropical species. Here we examined the Symbiodiniaceae communities in three coral species (Montipora peltiformis, Pavona decussata, and Platygyra carnosa) based on samples collected during and after the 2017 bleaching event in subtropical Hong Kong waters. In all of the collected samples, ITS2 meta-sequencing revealed that P. decussata and P. carnosa were predominantly associated with Cladocopium C1 and C1c, whereas M. peltiformis was mainly associated with two Cladocopium C21 types and C1. For each species, the predominant endosymbionts exhibited high fidelity, and the relatively low abundance ITS2-types showed minor changes between the bleached and recovered corals. Our study provided the first details of coral-algal association in Hong Kong waters, suggesting the selection of certain genotypes as a potential adaptive mechanism to the marginal environmental conditions.

Original language	English
Article number	114224
Journal	Marine Pollution Bulletin
Volume	184
Early online date	11 Oct 2022
DOIs	https://doi.org/10.1016/j.marpolbul.2022.114224
Publication status	Published - Nov 2022
Externally published	Yes

Bibliographical note

Funding Information:
Funding for this project was provided by the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ( GML2019ZD0404 , GML2019ZD0409 , and L2019005 ), General Research Fund of Hong Kong ( 12102018 ), and Hong Kong Baptist University's Start-up Grant for New Academics ( 162780 ).

Publisher Copyright:
© 2022

Keywords

Coral bleaching
Heatwave
ITS2 sequencing
Ocean warming
Subtropical corals
Symbiodiniaceae diversity

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.marpolbul.2022.114224

Cite this

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title = "Stable Symbiodiniaceae composition in three coral species during the 2017 natural bleaching event in subtropical Hong Kong",

abstract = "Adaptive changes in endosymbiotic Symbiodiniaceae communities have been reported during and after bleaching events in tropical coral species, but little is known about such shifts in subtropical species. Here we examined the Symbiodiniaceae communities in three coral species (Montipora peltiformis, Pavona decussata, and Platygyra carnosa) based on samples collected during and after the 2017 bleaching event in subtropical Hong Kong waters. In all of the collected samples, ITS2 meta-sequencing revealed that P. decussata and P. carnosa were predominantly associated with Cladocopium C1 and C1c, whereas M. peltiformis was mainly associated with two Cladocopium C21 types and C1. For each species, the predominant endosymbionts exhibited high fidelity, and the relatively low abundance ITS2-types showed minor changes between the bleached and recovered corals. Our study provided the first details of coral-algal association in Hong Kong waters, suggesting the selection of certain genotypes as a potential adaptive mechanism to the marginal environmental conditions.",

keywords = "Coral bleaching, Heatwave, ITS2 sequencing, Ocean warming, Subtropical corals, Symbiodiniaceae diversity",

author = "IP, {Jack Chi Ho} and Yanjie ZHANG and XIE, {James Y.} and YEUNG, {Yip Hung} and QIU, {Jian Wen}",

note = "Funding Information: Funding for this project was provided by the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ( GML2019ZD0404 , GML2019ZD0409 , and L2019005 ), General Research Fund of Hong Kong ( 12102018 ), and Hong Kong Baptist University's Start-up Grant for New Academics ( 162780 ). Publisher Copyright: {\textcopyright} 2022",

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language = "English",

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journal = "Marine Pollution Bulletin",

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T1 - Stable Symbiodiniaceae composition in three coral species during the 2017 natural bleaching event in subtropical Hong Kong

AU - IP, Jack Chi Ho

AU - ZHANG, Yanjie

AU - XIE, James Y.

AU - YEUNG, Yip Hung

AU - QIU, Jian Wen

N1 - Funding Information: Funding for this project was provided by the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ( GML2019ZD0404 , GML2019ZD0409 , and L2019005 ), General Research Fund of Hong Kong ( 12102018 ), and Hong Kong Baptist University's Start-up Grant for New Academics ( 162780 ). Publisher Copyright: © 2022

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N2 - Adaptive changes in endosymbiotic Symbiodiniaceae communities have been reported during and after bleaching events in tropical coral species, but little is known about such shifts in subtropical species. Here we examined the Symbiodiniaceae communities in three coral species (Montipora peltiformis, Pavona decussata, and Platygyra carnosa) based on samples collected during and after the 2017 bleaching event in subtropical Hong Kong waters. In all of the collected samples, ITS2 meta-sequencing revealed that P. decussata and P. carnosa were predominantly associated with Cladocopium C1 and C1c, whereas M. peltiformis was mainly associated with two Cladocopium C21 types and C1. For each species, the predominant endosymbionts exhibited high fidelity, and the relatively low abundance ITS2-types showed minor changes between the bleached and recovered corals. Our study provided the first details of coral-algal association in Hong Kong waters, suggesting the selection of certain genotypes as a potential adaptive mechanism to the marginal environmental conditions.

AB - Adaptive changes in endosymbiotic Symbiodiniaceae communities have been reported during and after bleaching events in tropical coral species, but little is known about such shifts in subtropical species. Here we examined the Symbiodiniaceae communities in three coral species (Montipora peltiformis, Pavona decussata, and Platygyra carnosa) based on samples collected during and after the 2017 bleaching event in subtropical Hong Kong waters. In all of the collected samples, ITS2 meta-sequencing revealed that P. decussata and P. carnosa were predominantly associated with Cladocopium C1 and C1c, whereas M. peltiformis was mainly associated with two Cladocopium C21 types and C1. For each species, the predominant endosymbionts exhibited high fidelity, and the relatively low abundance ITS2-types showed minor changes between the bleached and recovered corals. Our study provided the first details of coral-algal association in Hong Kong waters, suggesting the selection of certain genotypes as a potential adaptive mechanism to the marginal environmental conditions.

KW - Coral bleaching

KW - Heatwave

KW - ITS2 sequencing

KW - Ocean warming

KW - Subtropical corals

KW - Symbiodiniaceae diversity

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M3 - Journal Article (refereed)

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Stable Symbiodiniaceae composition in three coral species during the 2017 natural bleaching event in subtropical Hong Kong

Abstract

Bibliographical note

Keywords

UN SDGs

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