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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erac283
|2 doi
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|a pubmed24n1253.xml
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|a eng
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| 100 |
1 |
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|a Lazár, Dušan
|e verfasserin
|4 aut
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| 245 |
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|a Insights on the regulation of photosynthesis in pea leaves exposed to oscillating light
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 20.10.2022
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|a Date Revised 09.01.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2022. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Plants growing in nature often experience fluctuating irradiance. However, in the laboratory, the dynamics of photosynthesis are usually explored by instantaneously exposing dark-adapted plants to constant light and examining the dark-to-light transition, which is a poor approximation of natural phenomena. With the aim creating a better approximation, we exposed leaves of pea (Pisum sativum) to oscillating light and measured changes in the functioning of PSI and PSII, and of the proton motive force at the thylakoid membrane. We found that the dynamics depended on the oscillation period, revealing information about the underlying regulatory networks. As demonstrated for a selected oscillation period of 60 s, the regulation tries to keep the reaction centers of PSI and PSII open. We present an evaluation of the data obtained, and discuss the involvement of particular processes in the regulation of photosynthesis. The forced oscillations provided an information-rich fingerprint of complex regulatory networks. We expect future progress in understanding these networks from experiments involving chemical interventions and plant mutants, and by using mathematical modeling and systems identification and control tools
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Pisum sativum
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|a Fluctuating light
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|a forced oscillations
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|a pea
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|a photosynthesis
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| 650 |
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|a photosystem I and II
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| 650 |
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|a proton motive force
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| 650 |
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4 |
|a regulation
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|a Photosystem II Protein Complex
|2 NLM
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| 650 |
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|a Photosystem I Protein Complex
|2 NLM
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| 700 |
1 |
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|a Niu, Yuxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nedbal, Ladislav
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 73(2022), 18 vom: 18. Okt., Seite 6380-6393
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:73
|g year:2022
|g number:18
|g day:18
|g month:10
|g pages:6380-6393
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|u http://dx.doi.org/10.1093/jxb/erac283
|3 Volltext
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