Chromatic Regulation of Photosystem Composition in the Cyanobacterial Photosynthetic System : Kinetic Relationship between Change of Photosystem Composition and Cell Proliferation
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概要
- 論文の詳細を見る
Kinetics of the change of photosystem (PS) composition in cyanobacteria induced by chromatic light were studied in relation to cell proliferation. The study was made for two unicellular strains, Synechococcus NIBB 1059 and Synechocystis (Aphanocapsa) PCC 6714. We found that (1) the change to a higher or lower PS I/II ratio was due to acceleration or suppression of apparent PS I formation, and (2) it progressed on a similar time scale to that of the cell proliferation. The apparent rate constant of the change in the PS I/II ratio was proportional to that of cell proliferation, μ, when this was low, but at high values of p the increase in the rate constant of the change in the PS I/II ratio became smaller, causing a deviation from the linear relationship. Results indicate that under autotrophic conditions, the photoregulated composition change occurs as a result of thylakoid development, which accompanies cell proliferation.
- 日本植物生理学会の論文
著者
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Fujita Y
Division Of Enzymology Institute For Protein Research Osaka University
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Fujita Y
Department Of Biology Faculty Of Science Osaka University:(present)institute For Protein Research Os
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Murakami Akio
Department of Cell Biology, National Institute for Basic Biology
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Murakami A
National Inst. Basic Biology Aichi Jpn
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Murakami Akio
Department Of Cell Biolog National Institute For Basic Biology
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Ohki K
National Inst. Basic Biology Aichi Jpn
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Ohki Kaori
Department Of Botany Faculty Of Science Kyoto University
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Fujita Y
Fukui Prefectural Univ. Fukui Jpn
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Fujita Yoshihiko
Department Of Anatomy Division 1 Kinki University School Of Medicine
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FUJITA Yoshihiko
Department of Anatomy (1st Division), Kinki University School of Medicine
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