Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 510487
Title Genetic architecture of plant stress resistance: multi-trait genome-wide association mapping
Author(s) Thoen, H.P.M.; Davila Olivas, N.H.; Kloth, K.J.; Coolen, Silvia; Huang, P.; Aarts, M.G.M.; Molenaar, J.A.; Bakker, J.; Bouwmeester, H.J.; Broekgaarden, C.; Bucher, J.; Busscher-Lange, J.; Cheng, X.; Dijk-Fradin, E.F. van; Jongsma, M.A.; Julkowska, Magdalena M.; Keurentjes, J.J.B.; Ligterink, W.; Pieterse, Corné M.J.; Ruyter-Spira, C.P.; Smant, G.; Schaik, C.C. van; Wees, Saskia C.M. van; Visser, R.G.F.; Voorrips, R.E.; Vosman, B.; Vreugdenhil, D.; Warmerdam, S.; Wiegers, G.L.; Heerwaarden, J. van; Kruijer, W.T.; Eeuwijk, F.A. van; Dicke, M.
Source New Phytologist 213 (2017)3. - ISSN 0028-646X - p. 1346 - 1362.
Department(s) Laboratory of Entomology
Groep KoornneefGroep Koornneef
Laboratory of Plant Physiology
Laboratory of Nematology
WUR PB Groei & Ontwikkeling
PRI BIOS Plant Development Systems
PRI BIOS Applied Metabolic Systems
Laboratory of Plant Breeding
WUR PB Kwantitatieve Aspecten
WUR PB Non host en Insectenresistentie
PRI Bioint Entomology & Disease Management
Plant Production Systems
Biometris (WU MAT)
Biometris (PPO/PRI)
Publication type Refereed Article in a scientific journal
Publication year 2017
Abstract Plants are exposed to combinations of various biotic and abiotic stresses, but stress responses are usually investigated for single stresses only. Here, we investigated the genetic architecture underlying plant responses to 11 single stresses and several of their combinations by phenotyping 350 Arabidopsis thaliana accessions. A set of 214 000 single nucleotide polymorphisms (SNPs) was screened for marker-trait associations in genome-wide association (GWA) analyses using tailored multi-trait mixed models. Stress responses that share phytohormonal signaling pathways also share genetic architecture underlying these responses. After removing the effects of general robustness, for the 30 most significant SNPs, average quantitative trait locus (QTL) effect sizes were larger for dual stresses than for single stresses. Plants appear to deploy broad-spectrum defensive mechanisms influencing multiple traits in response to combined stresses. Association analyses identified QTLs with contrasting and with similar responses to biotic vs abiotic stresses, and below-ground vs above-ground stresses. Our approach allowed for an unprecedented comprehensive genetic analysis of how plants deal with a wide spectrum of stress conditions.
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