Advancing coral microbiome manipulation to build long-term climate resilience

Coral reefs house one-third of all marine species and are of high cultural and socioeconomic importance. However, coral reefs are under dire threat from climate change and other anthropogenic stressors. Climate change is causing coral bleaching, the breakdown of the symbiosis between the coral host...

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Main Authors: Linda L. Blackall, Madeleine J. H. van Oppen, Justin Maire, Talisa Doering
Format: Article
Language:English
Published: CSIRO Publishing 2023-01-01
Series:Microbiology Australia
Subjects:
Online Access:https://www.publish.csiro.au/ma/pdf/MA23009
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author Linda L. Blackall
Madeleine J. H. van Oppen
Justin Maire
Talisa Doering
author_facet Linda L. Blackall
Madeleine J. H. van Oppen
Justin Maire
Talisa Doering
author_sort Linda L. Blackall
collection DOAJ
description Coral reefs house one-third of all marine species and are of high cultural and socioeconomic importance. However, coral reefs are under dire threat from climate change and other anthropogenic stressors. Climate change is causing coral bleaching, the breakdown of the symbiosis between the coral host and its algal symbionts, often resulting in coral mortality and the deterioration of these valuable ecosystems. While it is essential to counteract the root causes of climate change, it remains urgent to develop coral restoration and conservation methods that will buy time for coral reefs. The manipulation of the bacterial microbiome that is associated with corals has been suggested as one intervention to improve coral climate resilience. Early coral microbiome-manipulation studies, which are aimed at enhancing bleaching tolerance, have shown promising results, but the inoculated bacteria did generally not persist within the coral microbiome. Here, we highlight the importance of long-term incorporation of bacterial inocula into the microbiome of target corals, as repeated inoculations will be too costly and not feasible on large reef systems like the Great Barrier Reef. Therefore, coral microbiome-manipulation studies need to prioritise approaches that can provide sustained coral climate resilience.
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spelling doaj.art-27f68848ecff485695d86154987b27f62023-03-10T17:45:37ZengCSIRO PublishingMicrobiology Australia1324-42722201-91892023-01-014413640MA23009Advancing coral microbiome manipulation to build long-term climate resilienceLinda L. Blackall0Madeleine J. H. van Oppen1Justin Maire2Talisa Doering3School of BioSciences, The University of Melbourne, Parkville, Vic., Australia.School of BioSciences, The University of Melbourne, Parkville, Vic., Australia; and Australian Institute of Marine Science, Townsville, Qld, Australia.School of BioSciences, The University of Melbourne, Parkville, Vic., Australia.School of BioSciences, The University of Melbourne, Parkville, Vic., Australia.Coral reefs house one-third of all marine species and are of high cultural and socioeconomic importance. However, coral reefs are under dire threat from climate change and other anthropogenic stressors. Climate change is causing coral bleaching, the breakdown of the symbiosis between the coral host and its algal symbionts, often resulting in coral mortality and the deterioration of these valuable ecosystems. While it is essential to counteract the root causes of climate change, it remains urgent to develop coral restoration and conservation methods that will buy time for coral reefs. The manipulation of the bacterial microbiome that is associated with corals has been suggested as one intervention to improve coral climate resilience. Early coral microbiome-manipulation studies, which are aimed at enhancing bleaching tolerance, have shown promising results, but the inoculated bacteria did generally not persist within the coral microbiome. Here, we highlight the importance of long-term incorporation of bacterial inocula into the microbiome of target corals, as repeated inoculations will be too costly and not feasible on large reef systems like the Great Barrier Reef. Therefore, coral microbiome-manipulation studies need to prioritise approaches that can provide sustained coral climate resilience.https://www.publish.csiro.au/ma/pdf/MA23009assisted evolutioncoral bleachingcoral microbiomemicrobiome manipulationprobiotics
spellingShingle Linda L. Blackall
Madeleine J. H. van Oppen
Justin Maire
Talisa Doering
Advancing coral microbiome manipulation to build long-term climate resilience
Microbiology Australia
assisted evolution
coral bleaching
coral microbiome
microbiome manipulation
probiotics
title Advancing coral microbiome manipulation to build long-term climate resilience
title_full Advancing coral microbiome manipulation to build long-term climate resilience
title_fullStr Advancing coral microbiome manipulation to build long-term climate resilience
title_full_unstemmed Advancing coral microbiome manipulation to build long-term climate resilience
title_short Advancing coral microbiome manipulation to build long-term climate resilience
title_sort advancing coral microbiome manipulation to build long term climate resilience
topic assisted evolution
coral bleaching
coral microbiome
microbiome manipulation
probiotics
url https://www.publish.csiro.au/ma/pdf/MA23009
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AT madeleinejhvanoppen advancingcoralmicrobiomemanipulationtobuildlongtermclimateresilience
AT justinmaire advancingcoralmicrobiomemanipulationtobuildlongtermclimateresilience
AT talisadoering advancingcoralmicrobiomemanipulationtobuildlongtermclimateresilience