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保护光合作用 O2 演化免受热失活:氯、pH 值和偶联状态的作用。

Protection of photosynthetic O2 evolution against heat inactivation: the role of chloride, pH and coupling status.

机构信息

Botany Department, The Faculties, Australian National University, GPO Box 4, 2601, Canberra, ACT, Australia.

出版信息

Photosynth Res. 1988 Feb;15(2):143-52. doi: 10.1007/BF00035258.

Abstract

Heat inactivation of photosynthetic O2 evolution was studied in isolated thylakoids from spinach (Spinacia oleracea) and mangrove (Avicennia marina) leaves. Different temperatures, salt, pH and uncoupler effects were investigated. From these results and others in the literature it was concluced that chloride loss from the membrane and, more specifically, the oxygen-evolving complex of photosystem II, may be the cause of inhibition of oxygen evolution during heat inactivation.

摘要

研究了从菠菜(Spinacia oleracea)和红树林(Avicennia marina)叶片中分离的类囊体中的光合 O2 释放的热失活。研究了不同的温度、盐、pH 和解偶联剂的影响。根据这些结果和文献中的其他结果得出结论,氯离子从膜中丢失,更具体地说,是光系统 II 的放氧复合物,可能是热失活过程中氧释放抑制的原因。

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