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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2014.03.017
|2 doi
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|a pubmed24n0791.xml
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|a (DE-627)NLM237300036
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|a (NLM)24725611
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|a (PII)S0981-9428(14)00096-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Sato, Ryoichi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Prediction of respective contribution of linear electron flow and PGR5-dependent cyclic electron flow to non-photochemical quenching induction
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|c 2014
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.03.2015
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2014 Elsevier Masson SAS. All rights reserved.
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|a In chloroplasts, regulated formation of the proton gradient across the thylakoid membrane (ΔpH) is important for controlling non-photochemical quenching (NPQ), which is crucial for plants to perform photosynthesis under fluctuating light conditions. The ΔpH is generated by two electron flows: the linear electron flow (LEF) and the cyclic electron flow (CEF). The Arabidopsis CEF mutant, pgr5, showed significantly lower NPQ values than those observed in WT, indicating that ΔpH, generated by the PGR5-dependent CEF, has a crucial role in controlling NPQ. However, the respective significance of LEF and CEF for ΔpH formation is largely unknown. Here we applied computer simulation to reproduce NPQ induction kinetics and estimate the respective contribution of LEF and PGR5-dependent CEF to the dynamics of ΔpH formation. The results indicate that the contribution of CEF to total ΔpH formation for induction of NPQ varies from 60-80%. The simulation also suggested a role of the PGR5-dependent CEF in accelerating electron transfer in the cytochrome b6f complex
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a Chlorophyll fluorescence
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|a Cyclic electron flow
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| 650 |
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|a NPQ induction
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|a PGR5
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|a Regulation of photosynthesis
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a PGR5 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Photosynthetic Reaction Center Complex Proteins
|2 NLM
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| 650 |
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|a Photosystem I Protein Complex
|2 NLM
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| 650 |
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7 |
|a Photosystem II Protein Complex
|2 NLM
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| 650 |
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7 |
|a Chlorophyll
|2 NLM
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| 650 |
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|a 1406-65-1
|2 NLM
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| 700 |
1 |
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|a Ohta, Hiroyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Masuda, Shinji
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 81(2014) vom: 11. Aug., Seite 190-6
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
8 |
|g volume:81
|g year:2014
|g day:11
|g month:08
|g pages:190-6
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2014.03.017
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 81
|j 2014
|b 11
|c 08
|h 190-6
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