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A transthylakoid proton gradient and inhibitors induce a non-photochemical fluorescence quenching in unicellular algae Nannochloropsis sp
Cao, SN1,2; Zhang, XW2; Xu, D2; Fan, X2; Mou, SL2; Wang, YT1; Ye, NH2; Wang, WQ1
2013
Source PublicationFEBS LETTERS
ISSN0014-5793
Volume587Issue:7Pages:1310-1315
AbstractNon-photochemical quenching (NPQ) of chlorophyll fluorescence is thought to be an indicator of an essential regulation and photoprotection mechanism against high-light stress in photosynthetic organisms. In this report, special chemicals were used to perturb the kinetics of the Delta pH build-up and the xanthophyll cycle (XC) in Nannochloropsis sp. We found that NPQ was stimulated rapidly on exposure to high light and relaxed rapidly in darkness. The Delta pH could be obligatory for NPQ and DpH alone was not sufficient to induce NPQ. The XC, being strictly mediated by Delta pH, was also essential for NPQ. The results demonstrate that the mechanism of NPQ in Nannochloropsis sp. resembled that of diatoms.
KeywordNannochloropsis Sp Non-photochemical Fluorescence Quenching Xanthophyll Cycle Transthylakoid Proton Gradient Inhibitor
DOI10.1016/j.febslet.2012.12.031
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Cell Biology ; Biophysics
WOS SubjectBiochemistry & Molecular Biology ; Biophysics ; Cell Biology
WOS IDWOS:000317750100009
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Cited Times [WOS]:24   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorWang, WQ
Affiliation1.Qingdao Agr Univ, Qingdao 266109, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Cao, SN,Zhang, XW,Xu, D,et al. A transthylakoid proton gradient and inhibitors induce a non-photochemical fluorescence quenching in unicellular algae Nannochloropsis sp[J]. FEBS LETTERS,2013,587(7):1310-1315.
APA Cao, SN.,Zhang, XW.,Xu, D.,Fan, X.,Mou, SL.,...&Wang, WQ.(2013).A transthylakoid proton gradient and inhibitors induce a non-photochemical fluorescence quenching in unicellular algae Nannochloropsis sp.FEBS LETTERS,587(7),1310-1315.
MLA Cao, SN,et al."A transthylakoid proton gradient and inhibitors induce a non-photochemical fluorescence quenching in unicellular algae Nannochloropsis sp".FEBS LETTERS 587.7(2013):1310-1315.
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