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Elevated CO2 Has Little Influence on the Bacterial Communities Associated With the pH-Tolerant Coral, Massive Porites spp.

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dc.contributor Res Sch Earth Sci
dc.contributor George Mason Univ
dc.contributor Australian Natl Univ
dc.contributor Dept Environm Sci & Policy
dc.contributor Arc Ctr Excellence Coral Reef Studies
dc.contributor Australian Inst Marine Sci Townsville
dc.contributor Coll Sci & Engn
dc.contributor Australian National University
dc.contributor George Mason University
dc.contributor James Cook Univ
dc.contributor James Cook University
dc.contributor Aims Jcu BOURNE, DAVID G. SMITH, HILLARY A. WILLIS, BETTE L. O'BRIEN, PAUL A. FALLON, STEWART FABRICIUS, KATHARINA MORROW, KATHLEEN M. 2018-11-18T18:51:59Z 2018-11-18T18:51:59Z 2019-07-08T02:14:09Z 2018-11-18T18:51:59Z 2018-11-18T18:51:59Z 2019-07-08T02:14:09Z 2018-11-01
dc.identifier.citation O'Brien PA, Smith HA, Fallon S, Fabricius K, Willis BL, Morrow KM, Bourne DG (2018) Elevated CO2 has little influence on the bacterial communities associated with the pH-tolerant coral, massive Porites spp. Frontiers in Microbiology 9: 2621
dc.identifier.issn 1664-302X
dc.description.abstract Ocean acidification (OA) as a result of increased anthropogenic CO2 input into the atmosphere carries consequences for all ocean life. Low pH can cause a shift in coral-associated microbial communities of pCO(2)-sensitive corals, however, it remains unknown whether the microbial community is also influenced in corals known to be more tolerant to high pCO(2)/low pH. This study profiles the bacterial communities associated with the tissues of the pCO(2)-tolerant coral, massive Porites spp., from two natural CO2 seep sites in Papua New Guinea. Amplicon sequencing of the hypervariable V3-V4 regions of the 16S rRNA gene revealed that microbial communities remained stable across CO2 seep sites (pH = 7.44-7.85) and adjacent control sites (ambient pH = 8.0-8.1). Microbial communities were more significantly influenced by reef location than pH, with the relative abundance of dominant microbial taxa differing between reefs. These results directly contrast with previous findings that increased CO2 has a strong effect on structuring microbial communities. The stable structure of microbial communities associated with the tissues of massive Porites spp. under high pCO(2)/low pH conditions confirms a high degree of tolerance by the whole Porites holobiont to OA, and suggest that pH tolerant corals such as Porites may dominate reef assemblages in an increasingly acidic ocean.
dc.description.sponsorship This research was funded by the Australian Institute of Marine Science (AIMS). Publication funding support provided by the College of Science and Engineering, James Cook University. PO was supported by AIMS@JCU.
dc.language English
dc.subject Volcanic Seep
dc.subject Dynamics
dc.subject Diversity
dc.subject Endolithic Algae
dc.subject Microbiome
dc.subject Porites
dc.subject Reef Ecosystems
dc.subject Microbiology
dc.subject Performance
dc.subject Resilience
dc.subject Responses
dc.subject Red-sea
dc.subject Microbial Communities
dc.subject Genus Endozoicomonas
dc.subject Tissue
dc.subject Scleractinian Corals
dc.subject Coral
dc.subject Ocean Acidification
dc.subject Carbon
dc.subject Sp-nov
dc.title Elevated CO2 Has Little Influence on the Bacterial Communities Associated With the pH-Tolerant Coral, Massive Porites spp.
dc.type journal article
dc.identifier.doi 10.3389/fmicb.2018.02621
dc.identifier.wos WOS:000448984800001

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