Microbiome-mediated mechanisms contributing to the environmental tolerance of reef invertebrate species

Marangon, Emma, Laffy, Patrick W., Bourne, David G., and Webster, Nicole S. (2021) Microbiome-mediated mechanisms contributing to the environmental tolerance of reef invertebrate species. Marine Biology, 168 (6). 89.

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Abstract

Coral reefs globally are increasingly impacted by climate change. High temperature and pCO2 levels disrupt multiple physiological and biochemical pathways in marine organisms, often leading to disease and mortality in sensitive reef species. Host-associated microbes contribute critical functions that underpin host health, and environmentally induced changes in microbial communities represent a potential source for new metabolic features within holobiont systems. However, whether the acquisition of new beneficial microbial functions contributes to environmental acclimatisation of reef species is currently unknown. Using extensively studied model systems, we identify potential direct and indirect microbiome-mediated mechanisms that may contribute to environmental acclimatisation in reef invertebrate species. These mechanisms include increasing energy metabolism in the host, reduction of oxidative stress, regulation of nutrients in host cells, and increased pathogen resistance. We also propose a robust experimental strategy to test how microbial metabolic pathways may facilitate environmental acclimatisation of reef taxa. Understanding the mechanisms of microbiome-mediated acclimatisation and the timescales over which it can occur will be critical for predicting reef ecosystem dynamics under future climate scenarios and applying effective reef conservation strategies.

Item ID: 70359
Item Type: Article (Research - C1)
ISSN: 1432-1793
Keywords: Acclimatisation, Adaptation, Climate change, Coral reefs, Microbiome, Tolerance, Transgenerational acclimatisation
Copyright Information: © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021.
Date Deposited: 06 May 2022 03:06
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Last 12 Months: 1
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