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Coral calcifying fluid pH dictates response to ocean acidification.
Sci Rep. 2014 Jun 06; 4:5207.SR

Abstract

Ocean acidification driven by rising levels of CO2 impairs calcification, threatening coral reef growth. Predicting how corals respond to CO2 requires a better understanding of how calcification is controlled. Here we show how spatial variations in the pH of the internal calcifying fluid (pHcf) in coral (Stylophora pistillata) colonies correlates with differential sensitivity of calcification to acidification. Coral apexes had the highest pHcf and experienced the smallest changes in pHcf in response to acidification. Lateral growth was associated with lower pHcf and greater changes with acidification. Calcification showed a pattern similar to pHcf, with lateral growth being more strongly affected by acidification than apical. Regulation of pHcf is therefore spatially variable within a coral and critical to determining the sensitivity of calcification to ocean acidification.

Authors+Show Affiliations

1] The UWA Oceans Institute and School of Earth and Environment, The University of Western Australia, Crawley 6009, WA, Australia [2] ARC Centre of Excellence in Coral Reef Studies, The University of Western Australia, Crawley 6009, WA, Australia [3] Centre Scientifique de Monaco and Laboratoire Européen Associé 647 "Biosensib, " Centre Scientifique de Monaco-Centre National de la Recherche Scientifique, MC-98000 Monaco, Monaco.Centre Scientifique de Monaco and Laboratoire Européen Associé 647 "Biosensib, " Centre Scientifique de Monaco-Centre National de la Recherche Scientifique, MC-98000 Monaco, Monaco.Centre Scientifique de Monaco and Laboratoire Européen Associé 647 "Biosensib, " Centre Scientifique de Monaco-Centre National de la Recherche Scientifique, MC-98000 Monaco, Monaco.Centre Scientifique de Monaco and Laboratoire Européen Associé 647 "Biosensib, " Centre Scientifique de Monaco-Centre National de la Recherche Scientifique, MC-98000 Monaco, Monaco.Centre Scientifique de Monaco and Laboratoire Européen Associé 647 "Biosensib, " Centre Scientifique de Monaco-Centre National de la Recherche Scientifique, MC-98000 Monaco, Monaco.The UWA Oceans Institute and School of Earth and Environment, The University of Western Australia, Crawley 6009, WA, Australia.1] The UWA Oceans Institute and School of Earth and Environment, The University of Western Australia, Crawley 6009, WA, Australia [2] ARC Centre of Excellence in Coral Reef Studies, The University of Western Australia, Crawley 6009, WA, Australia.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

24903088

Citation

Holcomb, M, et al. "Coral Calcifying Fluid pH Dictates Response to Ocean Acidification." Scientific Reports, vol. 4, 2014, p. 5207.
Holcomb M, Venn AA, Tambutté E, et al. Coral calcifying fluid pH dictates response to ocean acidification. Sci Rep. 2014;4:5207.
Holcomb, M., Venn, A. A., Tambutté, E., Tambutté, S., Allemand, D., Trotter, J., & McCulloch, M. (2014). Coral calcifying fluid pH dictates response to ocean acidification. Scientific Reports, 4, 5207. https://doi.org/10.1038/srep05207
Holcomb M, et al. Coral Calcifying Fluid pH Dictates Response to Ocean Acidification. Sci Rep. 2014 Jun 6;4:5207. PubMed PMID: 24903088.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Coral calcifying fluid pH dictates response to ocean acidification. AU - Holcomb,M, AU - Venn,A A, AU - Tambutté,E, AU - Tambutté,S, AU - Allemand,D, AU - Trotter,J, AU - McCulloch,M, Y1 - 2014/06/06/ PY - 2014/01/15/received PY - 2014/05/19/accepted PY - 2014/6/7/entrez PY - 2014/6/7/pubmed PY - 2015/11/13/medline SP - 5207 EP - 5207 JF - Scientific reports JO - Sci Rep VL - 4 N2 - Ocean acidification driven by rising levels of CO2 impairs calcification, threatening coral reef growth. Predicting how corals respond to CO2 requires a better understanding of how calcification is controlled. Here we show how spatial variations in the pH of the internal calcifying fluid (pHcf) in coral (Stylophora pistillata) colonies correlates with differential sensitivity of calcification to acidification. Coral apexes had the highest pHcf and experienced the smallest changes in pHcf in response to acidification. Lateral growth was associated with lower pHcf and greater changes with acidification. Calcification showed a pattern similar to pHcf, with lateral growth being more strongly affected by acidification than apical. Regulation of pHcf is therefore spatially variable within a coral and critical to determining the sensitivity of calcification to ocean acidification. SN - 2045-2322 UR - https://www.unboundmedicine.com/medline/citation/24903088/Coral_calcifying_fluid_pH_dictates_response_to_ocean_acidification_ L2 - https://doi.org/10.1038/srep05207 DB - PRIME DP - Unbound Medicine ER -