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题名: O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis
作者: An, Yanjun1, 2; Wang, Suqin1, 2; Hao, Zongjie1, 2; Zhou, Yiyong1; Liu, Yongding1
关键词: O-2 evolution ; Linear electron flow ; Cyclic electron flow around photosystem I ; Euglena gracilis ; Photoinhibition of photosystem II ; Batch culture
刊名: ADVANCES IN SPACE RESEARCH
发表日期: 2014-12-01
DOI: 10.1016/j.asr.2014.06.008
卷: 54, 期:11, 页:2456-2465
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
研究领域[WOS]: Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
英文摘要: Based on the purpose of better exploring the function of green producers in the closed aquatic biological life support system, the condition of dynamic 02 evolution and performance of cyclic electron flow around photosystem I (CEF-PSI) in long-term ground batch culture of Euglena gracilis were studied, the relationship between linear electron flow (LEF) and CEF-PSI was revealed, the function of CEF-PSI was investigated. Excellent consistency in 02 evolution pattern was observed in cultures grown in both closed and open containers, 02 evolution was strictly suppressed in phase 1, but the rate of it increased significantly in phase 2. CEF-PSI was proposed to be active during the whole course of cultivation, even in the declining phase 3, it still operated at the extent of 47-55%. It is suggested that the relationship between LEF and CEF-PSI is not only competition but also reciprocity. CEF-PSI was proposed to contribute to the considerable growth in phase 1; it was also suggested to play an important protective role against photosystem II (PSII) photoinhibition at the greatly enhanced level (approximately 80-95%) on the 2nd day. Our results in this research suggest that E. gracilis had very particular photosynthetic characteristics, the strict 02 evolution suppression in the initial culture phase might be a special light acclimation behavior, and CEF-PSI could be an important mechanism involved in this kind of adaptation to the changeable light environment. (C) 2014 Published by Elsevier Ltd. on behalf of COSPAR.
关键词[WOS]: INDUCED CHLOROPLAST DEDIFFERENTIATION ; HIGH LIGHT STRESS ; PHOTOSYSTEM-I ; STATE TRANSITIONS ; CHLAMYDOMONAS-REINHARDTII ; ACIDOPHILIC PROTOZOAN ; CHL FLUORESCENCE ; REDOX STATE ; TRANSPORT ; LEAVES
语种: 英语
WOS记录号: WOS:000345722300028
ISSN号: 0273-1177
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20357
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
An, Yanjun; Wang, Suqin; Hao, Zongjie; Zhou, Yiyong; Liu, Yongding.O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis,ADVANCES IN SPACE RESEARCH,2014,():
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