Early accumulation of non-enzymatically synthesised oxylipins in Arabidopsis thaliana after infection with Pseudomonas syringae

Functional Plant Biology : FPB
Christoph GrunMartin J Mueller

Abstract

The formation of non-enzymatic oxylipins is catalysed by reactive oxygen species. Reactive oxygen species are produced in response to pathogen attack. In this study, the accumulation of non-enzymatically formed hydroxy fatty acids and F1-phytoprostanes in leaves of Arabidopsis thaliana (L.) Heyhn upon infection with Pseudomonas syringae was investigated and compared with the accumulation of the enzymatically formed oxylipins jasmonic acid and 12-oxo-phytodienoic acid. Levels of all oxylipins increased after infection with a virulent and with an avirulent strain of P. syringae. Inoculation of the avirulent strain resulted in a biphasic accumulation with a first maximum around 5 h which was missing after inoculation of the virulent strain. Levels of free and esterified hydroxy fatty acids and F1-phytoprostanes increased after pathogen treatment; however, esterified compounds were 30 times more abundant than free oxylipins. The increase of the free compounds occurred later than the increase of the esterified compounds suggesting that non-enzymatic lipid oxidation occurs predominantly in membranes from which oxidised lipids can be released.

References

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Oct 8, 2004·The Plant Journal : for Cell and Molecular Biology·Jean-Luc MontilletChristian Triantaphylidès
Dec 25, 2004·Plant Physiology·Christiane LoefflerMartin J Mueller
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Jun 28, 2005·Plant Physiology·Jean-Luc MontilletChristian Triantaphylidès
Jan 31, 2006·The Plant Journal : for Cell and Molecular Biology·Martin J MuellerEdward E Farmer
Jun 23, 2006·The Plant Journal : for Cell and Molecular Biology·Christian OchsenbeinKlaus Apel

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Citations

May 7, 2010·The Plant Journal : for Cell and Molecular Biology·Thomas Griebel, Jürgen Zeier
Jun 18, 2015·Frontiers in Plant Science·Jagna Chmielowska-BąkJoanna Deckert
May 28, 2016·Plant Signaling & Behavior·Eugene Koh, Robert Fluhr
Dec 30, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jorma MatikainenHannu Elo
Nov 26, 2013·The Plant Journal : for Cell and Molecular Biology·Michel Havaux
Dec 24, 2014·Free Radical Research·G Griffiths
Feb 9, 2021·Journal of Photochemistry and Photobiology. B, Biology·Jerzy Kruk, Renata Szymańska
Apr 18, 2013·The Plant Cell·Fanny RamelMichel Havaux
Aug 5, 2008·Plant Physiology·Christian TriantaphylidèsMartin Johannes Mueller

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