中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Salt shock induces state ii transition of the photosynthetic apparatus in dark-adapted dunaliella salina cells

文献类型:期刊论文

作者Liu, XD; Shen, YG
刊名Environmental and experimental botany
出版日期2006-08-01
卷号57期号:1-2页码:19-24
关键词Atp content Lhcii phosphorylation Salt shock State transition Dunaliella salina
ISSN号0098-8472
DOI10.1016/j.envexpbot.2005.04.001
通讯作者Shen, yg()
英文摘要Previous evidence indicates that hypoosmotic shock decreases the photosynthetic rate and induces a state i transition of the photosynthetic apparatus in the dark-adapted halotolerant green alga, dunaliella salina. the present study investigated the regulation of state transition by salt shock, another stressor d. salina commonly encounters. an upward-shift in the external nacl concentration decreased the photosynthetic rate, the photosystem ii (psii) maximal fluorescence, and the respiratory rate of d. salina. an atp synthase inhibitor, an uncoupler, or salt shock decreased intracellular atp content and induced phosphorylation of the major light harvesting chlorophyll a/b proteins in dark-adapted d. salina cells. furthermore, salt shock increased cyclic electron flow around photosystem i (psi), as indicated by the enhancement in the post-illumination transient increase in chlorophyll fluorescence. these results suggest that salt shock induces state ii transition in dark-adapted d. salina cells and that atp content depression is likely involved in the regulation. together, salt shock and hypoosmotic shock exert opposite effects on state transition and may decrease the photosynthetic rate via different mechanisms. (c) 2005 elsevier b.v. all rights reserved.
WOS关键词THYLAKOID-PROTEIN-PHOSPHORYLATION ; CHLOROPHYLL-A/B PROTEINS ; CHLAMYDOMONAS-REINHARDTII ; ALGA DUNALIELLA ; GREEN-ALGA ; ELECTRON-TRANSPORT ; REDOX STATE ; LIGHT ; MEMBRANES ; STRESS
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology
WOS类目Plant Sciences ; Environmental Sciences
语种英语
WOS记录号WOS:000238089100003
出版者PERGAMON-ELSEVIER SCIENCE LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2378734
专题中国科学院大学
通讯作者Shen, YG
作者单位Chinese Acad Sci, Grad Sch, Shanghai Inst Biol Sci, Shanghai Inst Plant Physiol & Ecol, Shanghai 200032, Peoples R China
推荐引用方式
GB/T 7714
Liu, XD,Shen, YG. Salt shock induces state ii transition of the photosynthetic apparatus in dark-adapted dunaliella salina cells[J]. Environmental and experimental botany,2006,57(1-2):19-24.
APA Liu, XD,&Shen, YG.(2006).Salt shock induces state ii transition of the photosynthetic apparatus in dark-adapted dunaliella salina cells.Environmental and experimental botany,57(1-2),19-24.
MLA Liu, XD,et al."Salt shock induces state ii transition of the photosynthetic apparatus in dark-adapted dunaliella salina cells".Environmental and experimental botany 57.1-2(2006):19-24.

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来源:中国科学院大学

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