Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes.

Sewelam N, Brilhaus D, Bräutigam A, Alseekh S, Fernie AR, Maurino VG (2020)
Journal of experimental botany.

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Autor*in
Sewelam, Nasser; Brilhaus, Dominik; Bräutigam, AndreaUniBi ; Alseekh, Saleh; Fernie, Alisdair R; Maurino, Veronica G
Abstract / Bemerkung
Environmental stresses such as drought, heat and salinity limit plant development and agricultural productivity. While individual stresses have been studied extensively, much less is known about the molecular interaction of responses to multiple stresses. To address this problem, we investigated molecular responses of Arabidopsis thaliana to single, double, and triple combinations of salt, osmotic, and heat stresses. A metabolite profiling analysis indicated the production of specific compatible solutes depending on the nature of the stress applied. We found that in combination with other stresses, heat has a dominant effect on global gene expression and metabolites level patterns. Treatments that include heat stress lead to strongly reduced transcription of genes coding for abundant photosynthetic proteins and proteins regulating the cell life cycle, while genes involved in protein degradation are upregulated. Under combined stress conditions, the plants shifted their metabolism to a survival state characterized by low productivity. Our work provides molecular evidence for the dangers for plant productivity and future world food security posed by heat waves resulting from global warming. We highlight candidate genes, many of which are functionally uncharacterized, for engineering plant abiotic stress tolerance. © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissions@oup.com.
Erscheinungsjahr
2020
Zeitschriftentitel
Journal of experimental botany
eISSN
1460-2431
Page URI
https://pub.uni-bielefeld.de/record/2943705

Zitieren

Sewelam N, Brilhaus D, Bräutigam A, Alseekh S, Fernie AR, Maurino VG. Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes. Journal of experimental botany. 2020.
Sewelam, N., Brilhaus, D., Bräutigam, A., Alseekh, S., Fernie, A. R., & Maurino, V. G. (2020). Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes. Journal of experimental botany. doi:10.1093/jxb/eraa250
Sewelam, Nasser, Brilhaus, Dominik, Bräutigam, Andrea, Alseekh, Saleh, Fernie, Alisdair R, and Maurino, Veronica G. 2020. “Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes.”. Journal of experimental botany.
Sewelam, N., Brilhaus, D., Bräutigam, A., Alseekh, S., Fernie, A. R., and Maurino, V. G. (2020). Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes. Journal of experimental botany.
Sewelam, N., et al., 2020. Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes. Journal of experimental botany.
N. Sewelam, et al., “Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes.”, Journal of experimental botany, 2020.
Sewelam, N., Brilhaus, D., Bräutigam, A., Alseekh, S., Fernie, A.R., Maurino, V.G.: Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes. Journal of experimental botany. (2020).
Sewelam, Nasser, Brilhaus, Dominik, Bräutigam, Andrea, Alseekh, Saleh, Fernie, Alisdair R, and Maurino, Veronica G. “Molecular plant responses to combined abiotic stresses put a spotlight on unknown and abundant genes.”. Journal of experimental botany (2020).

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