O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis

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	O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis
	An, Yanjun 1,2; Wang, Suqin 1,2; Hao, Zongjie 1,2; Zhou, Yiyong 1; Liu, Yongding 1
刊名	ADVANCES IN SPACE RESEARCH
	2014-12-01
卷号	54 期号:11 页码:2456-2465
关键词	O-2 evolution Linear electron flow Cyclic electron flow around photosystem I Euglena gracilis Photoinhibition of photosystem II Batch culture
ISSN号	0273-1177
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.
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
关键词[WOS]	INDUCED CHLOROPLAST DEDIFFERENTIATION ; HIGH LIGHT STRESS ; PHOTOSYSTEM-I ; STATE TRANSITIONS ; CHLAMYDOMONAS-REINHARDTII ; ACIDOPHILIC PROTOZOAN ; CHL FLUORESCENCE ; REDOX STATE ; TRANSPORT ; LEAVES
收录类别	SCI
语种	英语
WOS记录号	WOS:000345722300028
公开日期	2015-01-20
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/342005/20357]
专题	水生生物研究所_水环境工程研究中心_期刊论文
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
推荐引用方式 GB/T 7714	An, Yanjun,Wang, Suqin,Hao, Zongjie,et al. O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis[J]. ADVANCES IN SPACE RESEARCH,2014,54(11):2456-2465.
APA	An, Yanjun,Wang, Suqin,Hao, Zongjie,Zhou, Yiyong,&Liu, Yongding.(2014).O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis.ADVANCES IN SPACE RESEARCH,54(11),2456-2465.
MLA	An, Yanjun,et al."O-2 evolution and cyclic electron flow around photo system I in long-term ground batch culture of Euglena gracilis".ADVANCES IN SPACE RESEARCH 54.11(2014):2456-2465.