Coordinating the overall stomatal response of plants: Rapid leaf-to-leaf communication during light stress

Science Signaling
Amith R DevireddyRon Mittler

Abstract

The plant canopy functions as an aerial array of light-harvesting antennas. To achieve maximal yield, each leaf within this array and the array as a whole need to rapidly adjust to naturally occurring fluctuations in light intensity and quality. Excessive light stress triggers the closing of pores in leaves called stomata to minimize moisture loss. We found that different leaves within the canopy of an Arabidopsis thaliana plant, including leaves not directly exposed to light, coordinated stomatal closure in response to light stress by sending and receiving rapid systemic signals. This response required the plant hormones abscisic acid and jasmonic acid and was mediated by a rapid autopropagating wave of reactive oxygen species (ROS) production. Furthermore, this response depended on the function of genes encoding the ROS-generating NADPH oxidase RBOHD and various stomatal regulators, such as the anion channel SLAC1, GHR1 (guard cell hydrogen peroxide resistant 1), and lipoxygenase 1 (LOX1). Our findings reveal that plants function as highly dynamic and coordinated organisms, optimizing the overall response of their canopies to fluctuating light intensities.

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Citations

Sep 18, 2018·The New Phytologist·Nicholas Smirnoff, Dominique Arnaud
Oct 31, 2019·Journal of Experimental Botany·Sara I ZandalinasRon Mittler
Nov 5, 2019·The Plant Journal : for Cell and Molecular Biology·Mengmeng ZhuSarah M Assmann
Dec 19, 2019·Journal of Integrative Plant Biology·Kong ChenYang Zhao
Jan 17, 2020·The Plant Journal : for Cell and Molecular Biology·Yosef Fichman, Ron Mittler
May 31, 2020·Proceedings of the National Academy of Sciences of the United States of America·Sara I ZandalinasRon Mittler
Sep 21, 2018·International Journal of Molecular Sciences·Martin ČernýBřetislav Brzobohatý
Aug 28, 2019·The New Phytologist·Amith R DevireddyRon Mittler
Nov 5, 2019·The New Phytologist·Deirdre H McLachlan
Mar 19, 2019·The Plant Journal : for Cell and Molecular Biology·Byeong Wook JeonSarah M Assmann
Sep 29, 2020·The New Phytologist·Premachandran Yadukrishnan, Sourav Datta
Oct 6, 2020·The Plant Journal : for Cell and Molecular Biology·Amith R DevireddyRon Mittler
Nov 8, 2020·International Journal of Molecular Sciences·Yosia MugumeDiane C Bassham
Nov 30, 2020·The Plant Journal : for Cell and Molecular Biology·Takuya YoshidaFuminori Takahashi
Dec 10, 2020·Plant, Cell & Environment·Hanna HõrakJulie E Gray
Dec 1, 2020·The New Phytologist·Rosario PantalenoCarlos García-Mata
Nov 30, 2019·Plant Science : an International Journal of Experimental Plant Biology·B H FengG F Fu
Nov 8, 2018·Trends in Plant Science·Hannes KollistRon Mittler
Jan 24, 2021·Journal of Experimental Botany·Chenchen ZhaoOula Ghannoum
Mar 6, 2021·Current Opinion in Plant Biology·Toshinori KinoshitaKeiko U Torii
Mar 12, 2021·Plant Signaling & Behavior·Hanna HõrakJulie E Gray
Jun 21, 2019·Molecular Plant·Yosef FichmanRon Mittler
Apr 9, 2021·The Plant Cell·Sara I ZandalinasRon Mittler
Apr 27, 2021·Trends in Plant Science·Hongfei LiYanxia Zhang
May 15, 2021·Frontiers in Plant Science·Kosuke Mase, Hironaka Tsukagoshi
Apr 2, 2021·Plant Physiology·Michael J Considine, Christine H Foyer
Jun 23, 2021·Proceedings of the National Academy of Sciences of the United States of America·Haiyan XiongJulian M Hibberd
Jun 1, 2021·The Plant Journal : for Cell and Molecular Biology·Yosef Fichman, Ron Mittler
Oct 14, 2021·International Journal of Molecular Sciences·Maxim MudrilovVladimir Vodeneev
Dec 21, 2021·Frontiers in Plant Science·Yugo Lima-MeloPeter J Gollan

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