Heat-Stability of Iron-Sulfur Centers and P-700 in Photosystem I Reaction Center Complexes Isolated from the Thermophilic Cyanobacterium Synechococcus elongatus
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概要
- 論文の詳細を見る
Stabilities of iron-sulfur centers and reaction center chlorophyll P-700 in Photosystem I reaction center complex (CP1-a), isolated by sodium dodecyl sulfate treatment from the thermophilic cyanobacterium Synechococcus elongatus, were studied by EPR and optical spectroscopy. P-700 was destroyed by treatment at temperatures above 80℃ for 5 minutes with a half inactivation temperature of 93℃. The three iron-sulfur centers F_A, F_B and F_X showed similar thermal stabilities and were half inactivated at about 70℃. Thus, the isolated Photosystem I reaction center complexes of S.elongatus are still highly resistant to heat.
- 日本植物生理学会の論文
著者
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Itoh Shigeru
National Institute for Basic Biology
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畠中 秀樹
九州大システム生命科学府
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HATANAKA Hideki
Department of Molecular Physiology, Tokyo Metropolitan Institute of Medical Science
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Sonoike Kintake
Department Of Biological Sciences Graduate School Of Science University Of Tokyo
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Sonoike Kintake
Department Of Biology Faculty Of Science University Of Tokyo
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Katoh Sakae
Department Of Biology Faculty Of Science Toho University
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Katoh Sakae
Department Of Biology Faculty Of Science University Of Tokyo
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Katoh Sakae
Department Of Biochemistry Faculty Of Science University Of Tokyo
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畠中 秀樹
科学技術振興機構バイオサイエンスデータベースセンター
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Hatanaka Hideki
Department of Molecular Physiology, The Tokyo Metropolitan Institute of Medical Science
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