EFFECT OF CHROMIUM(VI) ON PHOTOSYSTEM II ACTIVITY AND HETEROGENEITY OF SYNECHOCYSTIS SP. (CYANOPHYTA): STUDIED WITH IN VIVO CHLOROPHYLL FLUORESCENCE TESTS(1).
作者： Xiangliang Pan , Xi Chen , Daoyong Zhang , Jianlong Wang , Chunnuan Deng
DOI: 10.1111/J.1529-8817.2009.00647.X
关键词: Biology 、 Recombination 、 Photosynthesis 、 Botany 、 Synechocystis sp. 、 P680 、 Nuclear chemistry 、 Chromium 、 Photosystem II 、 Chromate conversion coating 、 Electron transport chain
摘要: The inhibitory effect of Cr(VI) on the PSII Synechocystis sp. was studied. reduced O2 evolution and inhibited water-splitting system in PSII. S-states test flash induction showed that exposure increased proportion inactivated (PSIIX ) PSIIβ reaction centers, which fluxes dissipated energy. JIP QA (-) reoxidation demonstrated treatment induces inhibition electron transport from to QB /QB accumulation P680 (+) . More had be oxidized through S2 (QA )(-) charge recombination oxidation by PQ9 molecules under stress. These changes finally decreased index photosynthesis performance.
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