PHOTOREACTIONS OF CYTOCHROME B563 AND F554 IN INTACT SPINACH-CHLOROPLASTS - REGULATION OF CYCLIC ELECTRON FLOW

被引:19
作者
BOHME, H
机构
[1] Fachbereich Biologie, Universität Konstanz, Konstanz, D-7750
来源
EUROPEAN JOURNAL OF BIOCHEMISTRY | 1979年 / 93卷 / 02期
关键词
D O I
10.1111/j.1432-1033.1979.tb12822.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In intact spinach chloroplasts cytochrome b563 and cytochrome f show an antagonistic redox behaviour in the extent and kinetics of light/dark‐induced absorbance changes. The extent of cytochrome b563 photoreduction appears to be influenced by the redox state of plastoquinone suggesting a regulation of cyclic electron flow at this level. Far‐red illumination induces a membrane state with altered redox reactions of both cytochromes at a more oxidized level. Copyright © 1979, Wiley Blackwell. All rights reserved
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页码:287 / 293
页数:7
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