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Host-Microbe Coevolution: Applying Evidence from Model Systems to Complex Marine Invertebrate Holobionts

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dc.contributor Aims Jcu
dc.contributor Australian Institute Of Marine Science
dc.contributor James Cook University
dc.contributor James Cook Univ
dc.contributor Arc Ctr Excellence Coral Reef Studies
dc.contributor Australian Ctr Ecogen
dc.contributor Univ Queensland
dc.contributor University Of Queensland
dc.contributor Ctr Trop Bioinformat & Mol Biol
dc.contributor Australian Inst Marine Sci
dc.contributor Coll Sci & Engn
dc.contributor.author BOURNE, DAVID G.
dc.contributor.author MILLER, DAVID J.
dc.contributor.author O'BRIEN, PAUL A.
dc.contributor.author WEBSTER, NICOLE S.
dc.date.accessioned 2019-03-27T02:35:10Z
dc.date.accessioned 2019-03-27T02:35:10Z
dc.date.accessioned 2019-07-08T02:26:37Z
dc.date.available 2019-03-27T02:35:10Z
dc.date.available 2019-03-27T02:35:10Z
dc.date.available 2019-07-08T02:26:37Z
dc.date.issued 2019-01-01
dc.identifier.citation O'Brien PA, Webster NS, Miller DJ, Bourne DG (2019) Host-microbe coevolution: applying evidence from model systems to complex marine invertebrate holobionts. mBio 10(1): e02241-18
dc.identifier.issn 2150-7511
dc.identifier.uri http://epubs.aims.gov.au/11068/14998
dc.description.abstract Marine invertebrates often host diverse microbial communities, making it difficult to identify important symbionts and to understand how these communities are structured. This complexity has also made it challenging to assign microbial functions and to unravel the myriad of interactions among the microbiota. Here we propose to address these issues by applying evidence from model systems of host-microbe coevolution to complex marine invertebrate microbiomes. Coevolution is the reciprocal adaptation of one lineage in response to another and can occur through the interaction of a host and its beneficial symbiont. A classic indicator of coevolution is codivergence of host and microbe, and evidence of this is found in both corals and sponges. Metabolic collaboration between host and microbe is often linked to codivergence and appears likely in complex holobionts, where microbial symbionts can interact with host cells through production and degradation of metabolic compounds. Neutral models are also useful to distinguish selected microbes against a background population consisting predominately of random associates. Enhanced understanding of the interactions between marine invertebrates and their microbial communities is urgently required as coral reefs face unprecedented local and global pressures and as active restoration approaches, including manipulation of the microbiome, are proposed to improve the health and tolerance of reef species. On the basis of a detailed review of the literature, we propose three research criteria for examining coevolution in marine invertebrates: (i) identifying stochastic and deterministic components of the microbiome, (ii) assessing codivergence of host and microbe, and (iii) confirming the intimate association based on shared metabolic function.
dc.language English
dc.subject Codivergence
dc.subject Evolution
dc.subject Coral-associated Bacteria
dc.subject Endosymbionts
dc.subject Symbiosis
dc.subject Cospeciation
dc.subject Plants
dc.subject Coevolution
dc.subject Marine Invertebrates
dc.subject Microbiome
dc.subject Microbiology
dc.subject Phylosymbiosis
dc.subject Genome
dc.subject Diversity
dc.subject Communities
dc.subject Gut Microbiota
dc.title Host-Microbe Coevolution: Applying Evidence from Model Systems to Complex Marine Invertebrate Holobionts
dc.type journal article
dc.identifier.doi 10.1128/mBio.02241-18
dc.identifier.wos WOS:000460314300025


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