Identification of Early Nuclear Target Genes of Plastidial Redox Signals that Trigger the Long-Term Response of Arabidopsis to Light Quality Shifts

Molecular Plant
Lars DietzelThomas Pfannschmidt

Abstract

Natural illumination conditions are highly variable and because of their sessile life style, plants are forced to acclimate to them at the cellular and molecular level. Changes in light intensity or quality induce changes in the reduction/oxidation (redox) state of the photosynthetic electron chain that acts as a trigger for compensatory acclimation responses comprising functional and structural adjustments of photosynthesis and metabolism. Such responses include redox-controlled changes in plant gene expression in the nucleus and organelles. Here we describe a strategy for the identification of early redox-regulated genes (ERGs) in the nucleus of the model organism Arabidopsis thaliana that respond significantly 30 or 60 min after the generation of a reduction signal in the photosynthetic electron transport chain. By comparing the response of wild-type plants with that of the acclimation mutant stn7, we could specifically identify ERGs. The results reveal a significant impact of chloroplast redox signals on distinct nuclear gene groups including genes for the mitochondrial electron transport chain, tetrapyrrole biosynthesis, carbohydrate metabolism, and signaling lipid synthesis. These expression profiles are clearly different...Continue Reading

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Citations

Sep 1, 2015·Current Opinion in Plant Biology·Peter J GollanEva-Mari Aro
Mar 22, 2016·Biochimica Et Biophysica Acta·Tatjana Kleine, Dario Leister
Jan 7, 2016·Annual Review of Plant Biology·Kai Xun ChanBarry J Pogson
Jun 30, 2016·Molecular Plant·Sekhar KambakamSteve Rodermel
Nov 5, 2016·Annual Review of Plant Biology·Amancio de SouzaKatayoon Dehesh
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May 23, 2020·Annual Review of Plant Biology·Christine H Foyer, Graham Noctor
Sep 6, 2020·The Plant Journal : for Cell and Molecular Biology·Heta MattilaEsa Tyystjärvi
May 5, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Thomas PfannschmidtPedro M Quiros
May 5, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Andreas S RichterBernhard Grimm
May 5, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Livia MerendinoThomas Pfannschmidt
Feb 26, 2020·International Journal of Molecular Sciences·Saravana Kumar R MFushun Hao

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