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The Mn-binding proteins of the photosystem II oxygen-evolving complex are decreased in date palms affected by brittle leaf disease.
MedLine Citation:
PMID:  21371899     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Brittle leaf disease or maladie des feuilles cassantes (MFC) is a disorder affecting date palms (Phoenix dactylifera L.) which after a long declining process eventually leads to the death of the plant. No causal agent for the disease has been found so far but leaflets of affected palms are Mn-deficient despite the existence of adequate exchangeable Mn in the soils in which affected palms grow. The disease is specifically associated with an increase in a series of chloroplastic RNAs. A proteomic analysis of leaflets of affected and unaffected date palms showed differences in quantities of several proteins. Mn-binding PSBO and PSBP proteins, components of the oxygen-evolving complex of photosystem II, were decreased in affected tissue, reinforcing the relation between MFC and Mn deficiency. The quantities of other proteins were increased by disease suggesting a response to stress.
Authors:
Jorge Marqués; Nuria Duran-Vila; José-Antonio Daròs
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-12
Journal Detail:
Title:  Plant physiology and biochemistry : PPB / Societe francaise de physiologie vegetale     Volume:  -     ISSN:  1873-2690     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-3-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882449     Medline TA:  Plant Physiol Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Masson SAS. All rights reserved.
Affiliation:
Instituto de Biología Molecular y Celular de Plantas (Consejo Superior de Investigaciones Científicas - Universidad Politécnica de Valencia), Avenida de los Naranjos, 46022 Valencia, Spain; Instituto Valenciano de Investigaciones Agrarias, 46113 Moncada, Valencia, Spain.
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