Comparison between Compsopogon coeruleus and Porphyra yezoensis in their O2 evolution rates and phycobilisome composition

Comparison between Compsopogon coeruleus and Porphyra yezoensis in their O2 evolution rates and... In order to investigate the possible effects of the ecological environment on photosynthetic activity and the major light harvesting complex, the oxygen evolution rates and composition of phycobilisome from marine red alga Porphyra yezoensis Ueda and freshwater red alga Compsopogon coeruleus (Balbis) Montagne, which could grow and reproduce under salinity up to 35 ppt, were studied. The results showed that the oxygen evolution rate of P. yezoensis in seawater was significantly higher than that of C. coeruleus in freshwater, and P. yezoensis tolerated inorganic ions at a relatively higher concentration than C. coeruleus. Moreover, the phycoerythrin (PE) of P. yezoensis was R-phycoerythrin containing α, β, and γ subunits comprised phycoerythrobilin and phycourobilin. In contrast, the PE from C. coeruleus consisted of α, β, and γ subunits comprised only phycoerythrobilin but not phycourobilin, suggesting that the PE from C. coeruleus was of a new type. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Comparison between Compsopogon coeruleus and Porphyra yezoensis in their O2 evolution rates and phycobilisome composition

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443708020040
Publisher site
See Article on Publisher Site

Abstract

In order to investigate the possible effects of the ecological environment on photosynthetic activity and the major light harvesting complex, the oxygen evolution rates and composition of phycobilisome from marine red alga Porphyra yezoensis Ueda and freshwater red alga Compsopogon coeruleus (Balbis) Montagne, which could grow and reproduce under salinity up to 35 ppt, were studied. The results showed that the oxygen evolution rate of P. yezoensis in seawater was significantly higher than that of C. coeruleus in freshwater, and P. yezoensis tolerated inorganic ions at a relatively higher concentration than C. coeruleus. Moreover, the phycoerythrin (PE) of P. yezoensis was R-phycoerythrin containing α, β, and γ subunits comprised phycoerythrobilin and phycourobilin. In contrast, the PE from C. coeruleus consisted of α, β, and γ subunits comprised only phycoerythrobilin but not phycourobilin, suggesting that the PE from C. coeruleus was of a new type.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Jan 20, 2011

References

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