| Novel insights into plant light-harvesting complex II phosphorylation and 'state transitions' | |
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MedLine Citation:
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PMID: 21183394 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Plants need a highly responsive regulatory system to keep photosynthetic light reactions in balance with the needs and restrictions of the downstream metabolism. This mechanism optimises plant growth under naturally fluctuating light conditions. In this opinion article, we present a model addressing the biological role of the light intensity-controlled phosphorylation of light-harvesting complex II (LHCII) proteins and its relation with the non-photochemical quenching of excitation energy (NPQ). We overturn a long held view of the possible role of 'state transitions'. Instead, we discuss the interplay between LHCII protein phosphorylation and NPQ, a mechanism that is crucial for regulating excitation energy distribution to the two photosystems (PSII and PSI) and balancing the intersystem electron flow despite constant fluctuations in light intensity. |
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Authors:
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Mikko Tikkanen; Michele Grieco; Eva-Mari Aro |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-12-21 |
Journal Detail:
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Title: Trends in plant science Volume: - ISSN: 1878-4372 ISO Abbreviation: - Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9890299 Medline TA: Trends Plant Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Molecular Plant Biology, Department of Biochemistry and Food Chemistry, University of Turku, FIN-20014 Turku, Finland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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