Impact of chloroplastic- and extracellular-sourced ROS on high light-responsive gene expression in Arabidopsis

Journal of Experimental Botany
Ulrike BechtoldP Mullineaux

Abstract

The expression of 28 high light (HL)-responsive genes of Arabidopsis was analysed in response to environmental and physiological factors known to influence the expression of the HL-responsive gene, ASCORBATE PEROXIDASE2 (APX2). Most (81%) of the HL-responsive genes, including APX2, required photosynthetic electron transport for their expression, and were responsive to abscisic acid (ABA; 68%), strengthening the impression that these two signals are crucial in the expression of HL-responsive genes. Further, from the use of mutants altered in reactive oxygen species (ROS) metabolism, it was shown that 61% of these genes, including APX2, may be responsive to chloroplast-sourced ROS. In contrast, apoplastic/plasma membrane-sourced H2O2, in part directed by the respiratory burst NADPH oxidases AtrbohD and AtrbohF, was shown to be important only for APX2 expression. APX2 expression in leaves is limited to bundle sheath parenchyma; however, for the other genes in this study, information on their tissue specificity of expression is sparse. An analysis of expression in petioles, enriched for bundle sheath tissue compared with distal leaf blade, in HL and control leaves showed that 25% of them had >10-fold higher expression in the petiol...Continue Reading

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Citations

Jul 3, 2010·Journal of Experimental Botany·Maria M MubarakshinaAnja Krieger-Liszkay
Mar 29, 2011·Journal of Experimental Botany·Li XiangWim Van den Ende
Jan 28, 2012·Journal of Experimental Botany·Saijaliisa KangasjärviGraham Noctor
Oct 6, 2010·Plant Physiology·Philip M Mullineaux, Neil R Baker
Jul 30, 2009·The Plant Cell·Gregorio Galvez-ValdiviesoPhilip M Mullineaux
Mar 5, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Eiri HeynoAnja Krieger-Liszkay
Mar 5, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Magdalena GoreckaPhilip M Mullineaux
Mar 5, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Andrea TrottaSaijaliisa Kangasjärvi
Mar 5, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Khalid AlsharafaKarl-Josef Dietz
Jul 7, 2009·Annual Review of Plant Biology·Zhirong LiKrishna K Niyogi
Jan 1, 2015·Nature Plants·Silvia GonzaliPierdomenico Perata
Apr 7, 2009·Plant, Cell & Environment·Saijaliisa KangasjärviEva-Mari Aro
Nov 6, 2013·The New Phytologist·Yuwei SongChun-Peng Song
Dec 24, 2009·Physiologia Plantarum·Gregorio Galvez-Valdivieso, Philip M Mullineaux
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Jan 13, 2015·Journal of Experimental Botany·Karl-Josef Dietz
Sep 12, 2014·Bioscience, Biotechnology, and Biochemistry·Shigeru Shigeoka, Takanori Maruta
Dec 21, 2018·Microbiology and Molecular Biology Reviews : MMBR·Pamlea N BradyMargaret A Johnson
Aug 7, 2018·Frontiers in Plant Science·Cecilia BrunettiMassimiliano Tattini

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