Dichlorprop induced structural changes of LHCII chiral macroaggregates associated with enantioselective toxicity to Scnedesmus obliquus.
作者： Hui Chen , Chensi Shen , Zunwei Chen , Babar Aijaz Ali , Yuezhong Wen
DOI: 10.1016/J.AQUATOX.2018.11.003
关键词:
摘要: Abstract The enantioselective toxic mechanisms of chiral herbicides in photosynthetic organisms are closely related to the production reactive oxygen species (ROS) production, however, there few reports on how ROS can be triggered. In suboptimal conditions, photosynthesis is one most important processes ROS, especially process light utilization and electron transfer. this study, we investigated interactions between herbicide dichlorprop (DCPP) enantiomers macroaggregates light-harvesting chlorophyll a/b pigment-protein complexes (LHCII) Scenedesmus obliquus, which great significance capturing utilizing sun light, also dissipating excess excitation energy. results circular dichroism indicated that DCPP induced structural changes LHCII an manner (R)-DCPP treated-group showed a bigger change accompanied by changed dissipation energy was excessed treated-groups degree detrimental non-chemical triggered toxicity green algae S. obliquus. Overall, study has identified chloroplasts; help reveal organisms.
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