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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2009.07.012
|2 doi
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|a pubmed25n0636.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Gruszecki, Wieslaw I
|e verfasserin
|4 aut
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| 245 |
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|a Blue-light-controlled photoprotection in plants at the level of the photosynthetic antenna complex LHCII
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|c 2010
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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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|2 rdacarrier
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|a Date Completed 03.02.2010
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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 Plants have developed several adaptive regulatory mechanisms, operating at all the organization levels, to optimize utilization of light energy and to protect themselves against over-excitation-related damage. We report activity of a previously unknown possible regulatory mechanism that operates at the molecular level of the major photosynthetic pigment-protein complexes of plants, LHCII. This mechanism is driven exclusively by blue light, operates in the trimeric but not in the monomeric complex, and results in singlet excitation quenching leading to thermal energy dissipation. The conclusions are based on single molecule fluorescence lifetime analysis, direct measurements of thermal energy dissipation by photo-thermal spectroscopy, and on fluorescence spectroscopy. Possible molecular mechanisms involved in the blue-light-induced photoprotective effect are discussed, including xanthophyll photo-isomerization and the thermo-optic effect
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Light-Harvesting Protein Complexes
|2 NLM
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|a Chlorophyll
|2 NLM
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| 650 |
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|a 1406-65-1
|2 NLM
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|a Chlorophyll A
|2 NLM
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|a YF5Q9EJC8Y
|2 NLM
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| 700 |
1 |
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|a Luchowski, Rafal
|e verfasserin
|4 aut
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1 |
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|a Zubik, Monika
|e verfasserin
|4 aut
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1 |
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|a Grudzinski, Wojciech
|e verfasserin
|4 aut
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|a Janik, Ewa
|e verfasserin
|4 aut
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|a Gospodarek, Malgorzata
|e verfasserin
|4 aut
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|a Goc, Jacek
|e verfasserin
|4 aut
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| 700 |
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|a Gryczynski, Zygmunt
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gryczynski, Ignacy
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 167(2010), 1 vom: 01. Jan., Seite 69-73
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnas
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| 773 |
1 |
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|g volume:167
|g year:2010
|g number:1
|g day:01
|g month:01
|g pages:69-73
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|u http://dx.doi.org/10.1016/j.jplph.2009.07.012
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