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Physiological and photosynthetic responses of Karenia mikimotoi to the modified clay mitigation method
Liu, Shuya1,2,3; Yu, Zhiming1,2,3; Song, Xiuxian1,2,3; Cao, Xihua1,2
2018-08-01
发表期刊MARINE POLLUTION BULLETIN
ISSN0025-326X
卷号133页码:491-499
通讯作者Yu, Zhiming(zyu@qdio.ac.cn)
摘要Modified clay (MC) removed harmful algae Karenia mikimotoi effectively, and significantly inhibited residual algae growth. Hydrogen peroxides (H2O2) and malondialdehyde (MDA) contents of K. mikimotoi increased significantly after treatment, indicating that MC induced oxidative stress. Moreover, H2O2 content was significantly correlated with cell density, indicating that increased reactive oxygen species (ROS) were likely responsible for the growth inhibition. Further investigation showed that MC caused damage to photosynthesis of residual algae, indicated by decreased maximal photochemical efficiency (F-v/F-m) and performance index (PIABS). The density of reaction center (RC) decreased, indicating that MC induced partially inactivated RCs, then caused residual activated RCs to be over-excited. The electron transport chain was also blocked, indicated by increased WK and V-J, and decreased S-m. These effects of photosystem II (PSII) were supposed to be the main contributors to ROS over-accumulation during photosynthesis. Overall, treatment with MC is an appropriate method for controlling K. mikimotoi blooms.
关键词Modified clay Karenia mikimotoi Reactive oxygen species Growth inhibition Photosynthetic behavior
DOI10.1016/j.marpolbul.2018.05.044
收录类别SCI
语种英语
资助项目National Key R&D Program of China[2017YFC1404300] ; AoShan Talents Cultivation Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS16] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606404] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020601] ; National Key R&D Program of China[2017YFC1404300] ; AoShan Talents Cultivation Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS16] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606404] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020601]
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000441853600053
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/157547
专题海洋生态与环境科学重点实验室
通讯作者Yu, Zhiming
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位海洋生态与环境科学重点实验室
通讯作者单位海洋生态与环境科学重点实验室
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Liu, Shuya,Yu, Zhiming,Song, Xiuxian,et al. Physiological and photosynthetic responses of Karenia mikimotoi to the modified clay mitigation method[J]. MARINE POLLUTION BULLETIN,2018,133:491-499.
APA Liu, Shuya,Yu, Zhiming,Song, Xiuxian,&Cao, Xihua.(2018).Physiological and photosynthetic responses of Karenia mikimotoi to the modified clay mitigation method.MARINE POLLUTION BULLETIN,133,491-499.
MLA Liu, Shuya,et al."Physiological and photosynthetic responses of Karenia mikimotoi to the modified clay mitigation method".MARINE POLLUTION BULLETIN 133(2018):491-499.
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