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Light-Enhanced Calcification, and the Role of Oxidative Phosphorylation in Calcification of the Coral Acropora cervicornis

B. E. Chalker and D. L. Taylor
Proceedings of the Royal Society of London. Series B, Biological Sciences
Vol. 190, No. 1100 (Aug. 19, 1975), pp. 323-331
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/77057
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Light-Enhanced Calcification, and the Role of Oxidative Phosphorylation in Calcification of the Coral Acropora cervicornis
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Abstract

Photosynthetically enhanced calcification has been studied in the hermatypic coral, Acropora cervicornis. The rate in the light is directly proportional to the intensity of illumination between 0 and 10500 lx. Sodium azide, sodium cyanide, 2,4-dinitrophenol (2,4-DNP), pentachlorophenol and carbonyl cyanide, m-chlorophenyl hydrazone (CCCP) inhibit light (i.e. photosynthetically) dependent rates. With the exception of sodium azide, this may be attributed to an inhibition of oxidative phosphorylation. Dark rates of calcification are unaffected by the addition of these compounds.

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