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Published (Version of record)CC BY V4.0, Open Access
Published (Version of record)CC BY V4.0, Open
Journal article
Signatures of selection underpinning rapid coral adaptation to the world's warmest reefs
Science Advances, Vol.8(2), pp.1-10
14/01/2022
PMID: 35020424
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Abstract
Coral populations in the world’s warmest reefs, the Persian/Arabian Gulf (PAG), represent an ideal model system to understand the evolutionary response of coral populations to past and present environmental change and to identify genomic loci that contribute to elevated thermal tolerance. Here, we use population genomics of the brain coral Platygyra daedalea to show that corals in the PAG represent a distinct subpopulation that was established during the Holocene marine transgression, and identify selective sweeps in their genomes associated with thermal adaptation. We demonstrate the presence of positive and disruptive selection and provide evidence for selection of differentially methylated haplotypes. While demographic analyses suggest limited potential for genetic rescue of neighboring Indian Ocean reefs, the presence of putative targets of selection in corals outside of the PAG offers hope that loci associated with thermal tolerance may be present in the standing genetic variation.
Details
- Title
- Signatures of selection underpinning rapid coral adaptation to the world's warmest reefs
- Creators
- Edward G Smith - University of North Carolina at CharlotteKhaled M Hazzouri - New York University Abu DhabiJae Young Choi - New York UniversityPatrice Delaney - New York University Abu DhabiMohammed Al-Kharafi - Public Authority of Agriculture and Fisheries Resources (Kuwait, Kuwait City)Emily J Howells - New York University Abu DhabiManuel Aranda - King Abdullah University of Science and TechnologyJohn A Burt - New York University Abu Dhabi
- Publication Details
- Science Advances, Vol.8(2), pp.1-10
- Publisher
- American Association for the Advancement of Science (AAAS)
- Grant note
- This project was funded by a New York University Abu Dhabi Research Enhancement Fund award and grant CG007 to J.A.B. from Tamkeen for the NYUAD Water Research Center.
- Identifiers
- 991012988679602368
- Copyright
- Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).
- Academic Unit
- Faculty of Science and Engineering; National Marine Science Centre; Science
- Language
- English
- Resource Type
- Journal article