DELTA-PH-DEPENDENT QUENCHING OF THE FO-LEVEL OF CHLOROPHYLL FLUORESCENCE IN SPINACH LEAVES

被引：20

作者：

HORTON, P

RUBAN, AV

机构：

[1] Robert Hill Institute, Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield

来源：

BIOCHIMICA ET BIOPHYSICA ACTA | 1993年 / 1142卷 / 1-2期

关键词：

CHLOROPHYLL FLUORESCENCE; PH GRADIENT; PHOTOSYNTHESIS; PHOTOSYSTEM-II; THYLAKOID MEMBRANE; LIGHT HARVESTING COMPLEX;

D O I：

10.1016/0005-2728(93)90103-M

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：

Chlorophyll fluorescence induction curves were recorded for spinach leaves following the formation of DELTApH-dependent non-photochemical dissipation of excitation energy, qE. It was found that the minimum level of fluorescence, when all Photosystem II reaction centres are open, was quenched by up to 54%, inconsistent with proposals that qE results from inhibition of electron donation to the Photosystem II reaction centre, but lending support to the site of quenching being in the antenna chlorophylls.

引用

页码：203 / 206

页数：4

共 24 条

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