Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage

Coral-associated dinoflagellates (Symbiodiniaceae) are photosynthetic endosymbionts that influence coral acclimation, as indicated by photo-endosymbiotic phenotypic variance across different environmental conditions. Symbiont shuffling (shifts in endosymbiont community composition), changes in endos...

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Main Authors: Colin J. Anthony, Colin Lock, Brett M. Taylor, Bastian Bentlage
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-12-01
Series:Frontiers in Ecology and Evolution
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fevo.2023.1288596/full
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author Colin J. Anthony
Colin Lock
Brett M. Taylor
Bastian Bentlage
author_facet Colin J. Anthony
Colin Lock
Brett M. Taylor
Bastian Bentlage
author_sort Colin J. Anthony
collection DOAJ
description Coral-associated dinoflagellates (Symbiodiniaceae) are photosynthetic endosymbionts that influence coral acclimation, as indicated by photo-endosymbiotic phenotypic variance across different environmental conditions. Symbiont shuffling (shifts in endosymbiont community composition), changes in endosymbiont cell density, and cellular plasticity have all been proposed as acclimation mechanisms. However, few studies have been able to partition which of the three strategies were responsible for observed phenotypic variance. Using a combination of metabarcoding and flow cytometry, we simultaneously characterized Acropora pulchra-associated Symbiodiniaceae assemblages at the community, population, and individual level under natural environmental conditions to deduce whether seasonal phenotypic change and site-related phenotypic variation of Symbiodiniaceae assemblages is a product of symbiont shuffling or cellular plasticity. Symbiodiniaceae assemblages displayed season-specific phenotypic variance, while Symbiodiniaceae community composition was geographically structured and cell density showed limited data structure. Based on these patterns, we reveal that cellular plasticity of Symbiodiniaceae was the source of a phenotypic variation, thus indicating that cellular plasticity is a mechanism for acclimation to mild environmental change.
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spelling doaj.art-61d1455135cd4069aa3c3235b9d343a52023-12-05T07:54:50ZengFrontiers Media S.A.Frontiers in Ecology and Evolution2296-701X2023-12-011110.3389/fevo.2023.12885961288596Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblageColin J. AnthonyColin LockBrett M. TaylorBastian BentlageCoral-associated dinoflagellates (Symbiodiniaceae) are photosynthetic endosymbionts that influence coral acclimation, as indicated by photo-endosymbiotic phenotypic variance across different environmental conditions. Symbiont shuffling (shifts in endosymbiont community composition), changes in endosymbiont cell density, and cellular plasticity have all been proposed as acclimation mechanisms. However, few studies have been able to partition which of the three strategies were responsible for observed phenotypic variance. Using a combination of metabarcoding and flow cytometry, we simultaneously characterized Acropora pulchra-associated Symbiodiniaceae assemblages at the community, population, and individual level under natural environmental conditions to deduce whether seasonal phenotypic change and site-related phenotypic variation of Symbiodiniaceae assemblages is a product of symbiont shuffling or cellular plasticity. Symbiodiniaceae assemblages displayed season-specific phenotypic variance, while Symbiodiniaceae community composition was geographically structured and cell density showed limited data structure. Based on these patterns, we reveal that cellular plasticity of Symbiodiniaceae was the source of a phenotypic variation, thus indicating that cellular plasticity is a mechanism for acclimation to mild environmental change.https://www.frontiersin.org/articles/10.3389/fevo.2023.1288596/fullphenotypeplasticityacclimationcoral reefsSymbiodiniaceaeAcropora
spellingShingle Colin J. Anthony
Colin Lock
Brett M. Taylor
Bastian Bentlage
Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
Frontiers in Ecology and Evolution
phenotype
plasticity
acclimation
coral reefs
Symbiodiniaceae
Acropora
title Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
title_full Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
title_fullStr Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
title_full_unstemmed Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
title_short Cellular plasticity facilitates phenotypic change in a dominant coral’s Symbiodiniaceae assemblage
title_sort cellular plasticity facilitates phenotypic change in a dominant coral s symbiodiniaceae assemblage
topic phenotype
plasticity
acclimation
coral reefs
Symbiodiniaceae
Acropora
url https://www.frontiersin.org/articles/10.3389/fevo.2023.1288596/full
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AT brettmtaylor cellularplasticityfacilitatesphenotypicchangeinadominantcoralssymbiodiniaceaeassemblage
AT bastianbentlage cellularplasticityfacilitatesphenotypicchangeinadominantcoralssymbiodiniaceaeassemblage