Reactive electrophilic oxylipins trigger a heat stress-like response through HSFA1 transcription factors

© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 67(2016), 21 vom: 03. Nov., Seite 6139-6148
1. Verfasser: Muench, Miriam (VerfasserIn)
Weitere Verfasser: Hsin, Chih-Hsuan, Ferber, Elena, Berger, Susanne, Mueller, Martin J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 12-oxo-phytodienoic acid acquired thermotolerance heat stress jasmonates phytoprostanes reactive electrophilic species unfolded protein response. Arabidopsis Proteins mehr... Cyclopentanes DNA-Binding Proteins Heat Shock Transcription Factors Heat-Shock Proteins Oxylipins Plant Growth Regulators Plant Proteins Transcription Factors jasmonic acid 6RI5N05OWW
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245 1 0 |a Reactive electrophilic oxylipins trigger a heat stress-like response through HSFA1 transcription factors 
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520 |a © The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology. 
520 |a Abiotic and biotic stresses are often characterized by an induction of reactive electrophile species (RES) such as the jasmonate 12-oxo-phytodienoic acid (OPDA) or the structurally related phytoprostanes. Previously, RES oxylipins have been shown massively to induce heat-shock-response (HSR) genes including HSP101 chaperones. Moreover, jasmonates have been reported to play a role in basal thermotolerance. We show that representative HSR marker genes are strongly induced by RES oxylipins through the four master regulator transcription factors HSFA1a, b, d, and e essential for short-term adaptation to heat stress in Arabidopsis. When compared with Arabidopsis seedlings treated at the optimal acclimation temperature of 37 °C, the exogenous application of RES oxylipins at 20 °C induced a much weaker induction of HSP101 at both the gene and protein expression levels which, however, was not sufficient to confer short-term acquired thermotolerance. Moreover, jasmonate-deficient mutant lines displayed a wild-type-like HSR and were not compromised in acquiring thermotolerance. Hence, the OPDA- and RES oxylipin-induced HSR is not sufficient to protect seedlings from severe heat stress but may help plants to cope better with stresses associated with protein unfolding by inducing a battery of chaperones in the absence of heat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a 12-oxo-phytodienoic acid 
650 4 |a acquired thermotolerance 
650 4 |a heat stress 
650 4 |a jasmonates 
650 4 |a phytoprostanes 
650 4 |a reactive electrophilic species 
650 4 |a unfolded protein response. 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Cyclopentanes  |2 NLM 
650 7 |a DNA-Binding Proteins  |2 NLM 
650 7 |a Heat Shock Transcription Factors  |2 NLM 
650 7 |a Heat-Shock Proteins  |2 NLM 
650 7 |a Oxylipins  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a jasmonic acid  |2 NLM 
650 7 |a 6RI5N05OWW  |2 NLM 
700 1 |a Hsin, Chih-Hsuan  |e verfasserin  |4 aut 
700 1 |a Ferber, Elena  |e verfasserin  |4 aut 
700 1 |a Berger, Susanne  |e verfasserin  |4 aut 
700 1 |a Mueller, Martin J  |e verfasserin  |4 aut 
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