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Abstract:
The significance of symbioses between eukaryotic hosts and microbes
extends from the organismal to the ecosystem level and underpins the
health of Earth's most threatened marine ecosystems. Despite rapid
growth in research on host-associated microbes, from individual
microbial symbionts to host-associated consortia of significantly
relevant taxa, little is known about their interactions with the vast
majority of marine host species. We outline research priorities to
strengthen our current knowledge of host-microbiome interactions and how
they shape marine ecosystems. We argue that such advances in research
will help predict responses of species, communities, and ecosystems to
stressors driven by human activity and inform future management
strategies.
