Antibiotics Alter Pocillopora Coral-Symbiodiniaceae-Bacteria Interactions and Cause Microbial Dysbiosis During Heat Stress DOI Creative Commons
Michael T. Connelly, Crystal J. McRae, Pi‐Jen Liu

et al.

Frontiers in Marine Science, Journal Year: 2022, Volume and Issue: 8

Published: Jan. 13, 2022

Symbioses between eukaryotes and their associated microbial communities are fundamental processes that affect organisms’ ecology evolution. A unique example of this is reef-building corals maintain symbiotic associations with dinoflagellate algae (Symbiodiniaceae) bacteria coral health through various mechanisms. However, little understood about how coral-associated holobiont heat tolerance. In study, we investigated these interactions in four Pocillopora colonies belonging to three cryptic species by subjecting fragments treatments antibiotics intended suppress the normal community, followed acute stress. Separate only or stress were conducted compare effects individual stressors on transcriptome responses microbiome shifts. Across all examined, combined treatment significantly altered caused major changes both Cladocopium algal symbiont gene expression. Individually, impaired protein translation activated DNA repair processes, while downregulation amino acid inorganic ion transport metabolism genes photosynthesis genes. Combined antibiotics-heat synergistic expression including enhanced oxidative response genes, programed cell death pathways proteolytic enzymes indicate an exacerbated following community suppression. Collectively, results provide further evidence Symbiodiniaceae engage highly coordinated metabolic crucial for health, homeostasis,

Language: Английский

Extending the natural adaptive capacity of coral holobionts DOI
Christian R. Voolstra, David J. Suggett, Raquel S. Peixoto

et al.

Nature Reviews Earth & Environment, Journal Year: 2021, Volume and Issue: 2(11), P. 747 - 762

Published: Oct. 12, 2021

Language: Английский

Citations

187
Coral‐bleaching responses to climate change across biological scales DOI
Robert van Woesik, Tom Shlesinger, Andréa G. Grottoli

et al.

Global Change Biology, Journal Year: 2022, Volume and Issue: 28(14), P. 4229 - 4250

Published: April 27, 2022

Abstract The global impacts of climate change are evident in every marine ecosystem. On coral reefs, mass bleaching and mortality have emerged as ubiquitous responses to ocean warming, yet one the greatest challenges this epiphenomenon is linking information across scientific disciplines spatial temporal scales. Here we review some seminal recent coral‐bleaching discoveries from an ecological, physiological, molecular perspective. We also evaluate which data processes can improve predictive models provide a conceptual framework that integrates measurements biological Taking integrative approach scales, using for example hierarchical estimate major coral‐reef processes, will not only rapidly advance science but necessary guide decision‐making conservation efforts. To conserve encourage implementing mesoscale sanctuaries (thousands km 2 ) transcend national boundaries. Such networks protected reefs reef connectivity, through larval dispersal transverse thermal environments, genotypic repositories may become essential units selection environmentally diverse locations. Together, multinational be best chance corals persist change, while humanity struggles reduce emissions greenhouse gases net zero.

Language: Английский

Citations

102
Impacts of Climate Change on Marine Foundation Species DOI Creative Commons
Thomas Wernberg, Mads S. Thomsen, Julia K. Baum

et al.

Annual Review of Marine Science, Journal Year: 2023, Volume and Issue: 16(1), P. 247 - 282

Published: Sept. 8, 2023

Marine foundation species are the biotic basis for many of world's coastal ecosystems, providing structural habitat, food, and protection myriad plants animals as well ecosystem services. However, climate change poses a significant threat to ecosystems they support. We review impacts on common marine species, including corals, kelps, seagrasses, salt marsh plants, mangroves, bivalves. It is evident that have already been severely impacted by several drivers, often through interactive effects with other human stressors, such pollution, overfishing, development. Despite considerable variation in geographical, environmental, ecological contexts, direct indirect gradual warming subsequent heatwaves emerged most pervasive drivers observed impact potent across all but from sea level rise, ocean acidification, increased storminess expected increase. Documented include changes genetic structures, physiology, abundance, distribution themselves their interactions flow-on associated communities, biodiversity, functioning. discuss strategies support into Anthropocene, order increase resilience ensure persistence services provide.

Language: Английский

Citations

94
Physiological Mechanisms of Acute Upper Thermal Tolerance in Fish DOI
Rasmus Ern, Anna H. Andreassen, Fredrik Jutfelt

et al.

Physiology, Journal Year: 2023, Volume and Issue: 38(3), P. 141 - 158

Published: Feb. 14, 2023

This review is focused on the questions of why fish exhibit heat failure at thermal extremes and which physiological mechanisms determine acute upper tolerance. We propose that rapid direct impacts act through three fundamental molecular reaction rates, protein structure, membrane fluidity. During warming, these effects then lead to loss equilibrium death various cellular, organ, pathways. These pathways include mitochondrial dysfunction, oxygen limitation, impacted excitability excitable cells eventually neural and/or muscular failure. The may also homeostasis subsequent There strong evidence in some species for limitation processes against it other contexts. limiting during warming therefore appear differ between species, life stages, recent history. conclude a single mechanism underpinning tolerance across contexts will not be found. Therefore, we future avenues research can elucidate major patterns limitations fish.

Language: Английский

Citations

88
Principles for coral reef restoration in the anthropocene DOI Creative Commons
Terry P. Hughes, Andrew H. Baird, Tiffany H. Morrison

et al.

One Earth, Journal Year: 2023, Volume and Issue: 6(6), P. 656 - 665

Published: June 1, 2023

Language: Английский

Citations

59
The coral microbiome: towards an understanding of the molecular mechanisms of coral–microbiota interactions DOI Creative Commons
Amin R. Mohamed,

Michael A. Ochsenkühn,

Ahmed M Kazlak

et al.

FEMS Microbiology Reviews, Journal Year: 2023, Volume and Issue: 47(2)

Published: March 1, 2023

Corals live in a complex, multipartite symbiosis with diverse microbes across kingdoms, some of which are implicated vital functions, such as those related to resilience against climate change. However, knowledge gaps and technical challenges limit our understanding the nature functional significance complex symbiotic relationships within corals. Here, we provide an overview complexity coral microbiome focusing on taxonomic diversity functions well-studied cryptic microbes. Mining literature indicate that while corals collectively harbour third all marine bacterial phyla, known symbionts antagonists represent minute fraction this these taxa cluster into select genera, suggesting selective evolutionary mechanisms enabled bacteria gain niche holobiont. Recent advances research aimed at leveraging manipulation increase coral's fitness help mitigate heat stress-related mortality discussed. Then, insights potential through microbiota can communicate modify host responses examined by describing recognition patterns, microbially derived epigenome effector proteins gene regulation. Finally, power omics tools used study highlighted emphasis integrated host-microbiota multiomics framework understand underlying during change-driven dysbiosis.

Language: Английский

Citations

55
Microbial-Based Therapies to Restore and Rehabilitate Disrupted Coral Health DOI
Melanie Dörr, Adam R. Barno, Helena D. M. Villela

et al.

Coral reefs of the world, Journal Year: 2025, Volume and Issue: unknown, P. 181 - 195

Published: Jan. 1, 2025

Language: Английский

Citations

2
Insights into coral bleaching under heat stress from analysis of gene expression in a sea anemone model system DOI
Phillip A. Cleves, Cory J. Krediet, Erik Lehnert

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2020, Volume and Issue: 117(46), P. 28906 - 28917

Published: Nov. 9, 2020

Significance Coral reefs are biodiversity hotspots of great ecological, economic, and aesthetic importance. Their global decline under climate change other stresses makes it urgent to understand the molecular bases their responses stress, including “bleaching,” in which corals' photosynthetic algal symbionts lost, thus depriving host animals a crucial source energy metabolic building blocks. We sought clues mechanisms that cause (or protect against) bleaching by analyzing patterns gene expression sea anemone relative corals during exposure heat stress sufficient induce bleaching. The results challenge some current ideas about while also suggesting hypotheses identifying genes prime targets for future genetic analyses.

Language: Английский

Citations

75
New developments in the field of genomic technologies and their relevance to conservation management DOI Creative Commons
Gernot Segelbacher, Mirte Bosse, Pamela A. Burger

et al.

Conservation Genetics, Journal Year: 2021, Volume and Issue: 23(2), P. 217 - 242

Published: Nov. 11, 2021

Abstract Recent technological advances in the field of genomics offer conservation managers and practitioners new tools to explore for applications. Many these are well developed used by other life science fields, while others still development. Considering possibilities, choosing right tool(s) from toolbox is crucial can pose a challenging task. With this mind, we strive inspire, inform illuminate on how efforts benefit current genomic biotechnological revolution. inspirational case studies show technologies help resolve some main challenges, also informing implementable different are. We here focus specifically small population management, highlight potential genetic rescue, discuss opportunities gene editing with adaptation changing environments. In addition, delineate applications drives controlling invasive species. that offers added efforts, but comes limitations use novel emerging techniques.

Language: Английский

Citations

57
Signatures of selection underpinning rapid coral adaptation to the world’s warmest reefs DOI Creative Commons
Edward G. Smith, Khaled M. Hazzouri, Jae Young Choi

et al.

Science Advances, Journal Year: 2022, Volume and Issue: 8(2)

Published: Jan. 12, 2022

Population genomics reveals loci associated with coral adaptation to thermally extreme reefs.

Language: Английский

Citations

49