低 pH 值诱导的两个光系统之间激发能的调节。
Low pH-induced regulation of excitation energy between the two photosystems.
机构信息
School of Life Science, Devi Ahilya University, Indore, M.P., India.
Department of Biochemistry, Molecular Plant Biology, University of Turku, FI-20014 Turku, Finland.
出版信息
FEBS Lett. 2014 Mar 18;588(6):970-4. doi: 10.1016/j.febslet.2014.01.056. Epub 2014 Feb 13.
Earlier studies have proposed that low pH causes state transitions in spinach thylakoid membranes. Several Arabidopsis mutants (stn7 incapable in phosphorylation of LHC II, stn8 incapable in phosphorylation of PSII core proteins, stn7 stn8 double mutant and npq4 lacking PsbS and hence qE) were used to investigate the mechanisms involved in low pH induced changes in the thylakoid membrane. We propose that protonation of PsbS at low pH is involved in enhancing energy spillover to PS I.
先前的研究提出，低 pH 值会导致菠菜类囊体膜的状态转变。几种拟南芥突变体（stn7 不能磷酸化 LHC II，stn8 不能磷酸化 PSII 核心蛋白，stn7 stn8 双突变体和 npq4 缺乏 PsbS 从而缺乏 qE）被用来研究低 pH 值诱导的类囊体膜变化所涉及的机制。我们提出，低 pH 值下 PsbS 的质子化参与增强能量从 PS II 到 PS I 的溢出。
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