Symbiodiniaceae conduct under natural bleaching stress during advanced gametogenesis stages of a mesophotic coral

Gal Eyal; Lee Eyal-Shaham; Yossi Loya

doi:10.1007/s00338-021-02082-1

Symbiodiniaceae conduct under natural bleaching stress during advanced gametogenesis stages of a mesophotic coral

Gal Eyal, Lee Eyal-Shaham, Yossi Loya

The Mina and Everard Goodman Faculty of Life Sciences - at Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The mesophotic coral Alveopora allingi from the northern Gulf of Eilat/Aqaba, Red Sea, is affected by year-round partial coral-bleaching events. During these events, the migration of Symbiodiniaceae takes place from the coral-host mesoglea to the developed oocytes in bleached parts of colonies of A. allingi but not in the non-bleached parts. Additionally, these oocytes are abnormal, missing part of the structural material of the peripheral areas, and are also significantly larger in the bleached areas of the colonies. Hence, we suggest a parasitic behavior of the symbionts or a commensalism relationship which enhance symbionts' needs during bleaching periods and may boost the gametogenesis development in these corals. We propose that evolutionarily, this behavior may greatly contribute to the symbiont community survival throughout the bleaching period, and it can also be beneficial for the host's persistence and adaptation to bleaching through the acquisition of a specific symbiont community following the bleaching event.

Original language	English
Pages (from-to)	959-964
Number of pages	6
Journal	Coral Reefs
Volume	40
Issue number	3
DOIs	https://doi.org/10.1007/s00338-021-02082-1
State	Published - Jun 2021

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Funding

We thank the Interuniversity Institute for Marine Sciences in Eilat for the logistical support, and Barbara Colorni for help with the histological work. The comments of two anonymous reviewers greatly improved the manuscript. This study was supported by the Israel Science Foundation (ISF) No. 1191/16 to YL and by the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie post-doctoral grant agreement No. 796025 to GE. We thank the Interuniversity Institute for Marine Sciences in Eilat for the logistical support, and Barbara Colorni for help with the histological work. The comments of two anonymous reviewers greatly improved the manuscript. This study was supported by the Israel Science Foundation (ISF) No. 1191/16 to YL and by the European Union?s Horizon 2020 research and innovation program under the Marie Sk?odowska-Curie post-doctoral grant agreement No. 796025 to GE.

Funders	Funder number
Interuniversity Institute for Marine Sciences in Eilat
Marie Skłodowska-Curie
Horizon 2020 Framework Programme	796025
Israel Science Foundation	1191/16

Keywords

Coral bleaching
Coral reproduction
Coral-algae symbiosis
Host–symbiont interaction
Mesophotic coral ecosystems (MCEs)
Red Sea

UN SDGs

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

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10.1007/s00338-021-02082-1

Cite this

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title = "Symbiodiniaceae conduct under natural bleaching stress during advanced gametogenesis stages of a mesophotic coral",

abstract = "The mesophotic coral Alveopora allingi from the northern Gulf of Eilat/Aqaba, Red Sea, is affected by year-round partial coral-bleaching events. During these events, the migration of Symbiodiniaceae takes place from the coral-host mesoglea to the developed oocytes in bleached parts of colonies of A. allingi but not in the non-bleached parts. Additionally, these oocytes are abnormal, missing part of the structural material of the peripheral areas, and are also significantly larger in the bleached areas of the colonies. Hence, we suggest a parasitic behavior of the symbionts or a commensalism relationship which enhance symbionts' needs during bleaching periods and may boost the gametogenesis development in these corals. We propose that evolutionarily, this behavior may greatly contribute to the symbiont community survival throughout the bleaching period, and it can also be beneficial for the host's persistence and adaptation to bleaching through the acquisition of a specific symbiont community following the bleaching event.",

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author = "Gal Eyal and Lee Eyal-Shaham and Yossi Loya",

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AB - The mesophotic coral Alveopora allingi from the northern Gulf of Eilat/Aqaba, Red Sea, is affected by year-round partial coral-bleaching events. During these events, the migration of Symbiodiniaceae takes place from the coral-host mesoglea to the developed oocytes in bleached parts of colonies of A. allingi but not in the non-bleached parts. Additionally, these oocytes are abnormal, missing part of the structural material of the peripheral areas, and are also significantly larger in the bleached areas of the colonies. Hence, we suggest a parasitic behavior of the symbionts or a commensalism relationship which enhance symbionts' needs during bleaching periods and may boost the gametogenesis development in these corals. We propose that evolutionarily, this behavior may greatly contribute to the symbiont community survival throughout the bleaching period, and it can also be beneficial for the host's persistence and adaptation to bleaching through the acquisition of a specific symbiont community following the bleaching event.

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Symbiodiniaceae conduct under natural bleaching stress during advanced gametogenesis stages of a mesophotic coral

Abstract

Bibliographical note

Funding

Keywords

UN SDGs

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