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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa427
|2 doi
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|a pubmed24n1050.xml
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|a (DE-627)NLM315027444
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|a (NLM)32930769
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Nilsson, Anders K
|e verfasserin
|4 aut
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| 245 |
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|a PSB33 protein sustains photosystem II in plant chloroplasts under UV-A light
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Plants can quickly and dynamically respond to spectral and intensity variations of the incident light. These responses include activation of developmental processes, morphological changes, and photosynthetic acclimation that ensure optimal energy conversion and minimal photoinhibition. Plant adaptation and acclimation to environmental changes have been extensively studied, but many details surrounding these processes remain elusive. The photosystem II (PSII)-associated protein PSB33 plays a fundamental role in sustaining PSII as well as in the regulation of the light antenna in fluctuating light. We investigated how PSB33 knock-out Arabidopsis plants perform under different light qualities. psb33 plants displayed a reduction of 88% of total fresh weight compared to wild type plants when cultivated at the boundary of UV-A and blue light. The sensitivity towards UV-A light was associated with a lower abundance of PSII proteins, which reduces psb33 plants' capacity for photosynthesis. The UV-A phenotype was found to be linked to altered phytohormone status and changed thylakoid ultrastructure. Our results collectively show that PSB33 is involved in a UV-A light-mediated mechanism to maintain a functional PSII pool in the chloroplast
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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|a UV light
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|a blue light
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|a photoinhibition
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|a photosystem II
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|a state transition
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|a thylakoid membrane
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Photosystem II Protein Complex
|2 NLM
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1 |
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|a Pěnčík, Aleš
|e verfasserin
|4 aut
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| 700 |
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|a Johansson, Oskar N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bånkestad, Daniel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fristedt, Rikard
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Suorsa, Marjaana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Trotta, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Novák, Ondřej
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mamedov, Fikret
|e verfasserin
|4 aut
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| 700 |
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|a Aro, Eva-Mari
|e verfasserin
|4 aut
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| 700 |
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|a Burmeister, Björn Lundin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 22 vom: 31. Dez., Seite 7210-7223
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:22
|g day:31
|g month:12
|g pages:7210-7223
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/eraa427
|3 Volltext
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|d 71
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|e 22
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|h 7210-7223
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