Stabilization of thylakoid membranes in isoprene-emitting plants reduces formation of reactive oxygen species.

Plant Signaling & Behavior
Violeta VelikovaF Loreto

Abstract

Isoprene is emitted by a significant fraction of the world's vegetation. Isoprene makes leaves more thermotolerant, yet we do not fully understand how. We have recently shown that isoprene stabilizes thylakoid membranes under heat stress. Here we show that heat-stressed, isoprene-emitting transgenic Arabidopsis plants also produce a lower pool of reactive oxygen and reactive nitrogen species, and that this was especially due to a lower accumulation of H2O2 in isoprene emitting plants. It remains difficult to disentangle whether in heat stressed plants isoprene also directly reacts with and quenches reactive oxygen species (ROS), or reduces ROS formation by stabilizing thylakoids. We present considerations that make the latter a more likely mechanism, under our experimental circumstances.

References

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Citations

Mar 29, 2014·Journal of Experimental Botany·Susanna PollastriFrancesco Loreto
Dec 25, 2012·Analytical Biochemistry·Sean E WeiseThomas D Sharkey
Oct 27, 2015·Frontiers in Plant Science·Krzysztof Bobik, Tessa M Burch-Smith
Nov 14, 2012·The New Phytologist·Sandy P HarrisonIan J Wright
Jan 30, 2014·Plant, Cell & Environment·Thomas D Sharkey, Russell K Monson
Sep 12, 2015·Journal of Bioenergetics and Biomembranes·Christopher M HarveyThomas D Sharkey
Jan 6, 2015·The New Phytologist·Francesco Loreto, Silvia Fineschi
Mar 26, 2014·The New Phytologist·Catherine MorfopoulosIain Colin Prentice
Apr 16, 2013·Plant Physiology and Biochemistry : PPB·Giovanni AgatiMassimiliano Tattini
Mar 22, 2014·Journal of Proteome Research·Violeta VelikovaJörg-Peter Schnitzler
Sep 21, 2013·Annals of Botany·Catherine MorfopoulosMalcolm Possell
Jul 25, 2013·Journal of Experimental Botany·Kolby J JardineClaudia Vickers
Jul 28, 2019·Plant, Cell & Environment·Alexandra T LantzThomas D Sharkey
Nov 27, 2019·Journal of the Science of Food and Agriculture·Rakesh K SharmaGayatri Archana
Jun 10, 2017·The Journal of Chemical Physics·Xiaohong ZhuangJeffery B Klauda
Aug 8, 2018·Frontiers in Plant Science·Simon HaberstrohChristiane Werner
Apr 1, 2016·Functional Plant Biology : FPB·Supriya TiwariTim Butler
Apr 14, 2019·The New Phytologist·Susanna PollastriFrancesco Loreto
Feb 16, 2021·Frontiers in Plant Science·Izhar MuhammadFeng Bai Li
Apr 22, 2021·Oecologia·Andrea GhirardoJörg-Peter Schnitzler
Nov 2, 2021·Plant, Cell & Environment·Kaisa RissanenJaana Bäck

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