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A role for oxalic acid generation in ozone-induced signalization in Arabidopis cells.
MedLine Citation:
PMID:  22897345     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Ozone is an air pollutant which impact is increasingly important in our industrialized world. It affects human health and productivity in various crops. We provide the evidences that treatment of Arabidopsis thaliana with ozone results in ascorbate-derived oxalic acid production. Using cultured cells of A. thaliana as a model; here, we further showed that oxalic acid induces activation of anion channels that triggers depolarization of the cell, increase in cytosolic Ca(2+) concentration, generation of reactive oxygen species and cell death. We confirmed that ozone reacts with ascorbate in the culture thus resulting in production of oxalic acid and this could be part of the ozone-induced signaling pathways that triggers programmed cell death. © 2012 Blackwell Publishing Ltd.
Authors:
Daniel Tran; Takashi Kadono; Maria Lia Molas; Rafik Errakhi; Joël Briand; Bernadette Biligui; Tomonori Kawano; François Bouteau
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-15
Journal Detail:
Title:  Plant, cell & environment     Volume:  -     ISSN:  1365-3040     ISO Abbreviation:  Plant Cell Environ.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9309004     Medline TA:  Plant Cell Environ     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Affiliation:
Univ Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan Facultad de Agronomía, Ruta 35 km 334. L 6300. Santa Rosa, La Pampa, Argentina Facultad de Agronomía, Universidad Nacional de La Pampa. Ruta 35 km 334, CC 300, 6300 Santa Rosa, La Pampa, Argentina Univ Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France.
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