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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erx038
|2 doi
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|a pubmed24n0900.xml
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|a (NLM)28338908
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Templer, Sven Eduard
|e verfasserin
|4 aut
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| 245 |
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|a Metabolite profiling of barley flag leaves under drought and combined heat and drought stress reveals metabolic QTLs for metabolites associated with antioxidant defense
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 18.07.2018
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| 500 |
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|a Date Revised 10.04.2022
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Barley (Hordeum vulgare L.) is among the most stress-tolerant crops; however, not much is known about the genetic and environmental control of metabolic adaptation of barley to abiotic stresses. We have subjected a genetically diverse set of 81 barley accessions, consisting of Mediterranean landrace genotypes and German elite breeding lines, to drought and combined heat and drought stress at anthesis. Our aim was to (i) investigate potential differences in morphological, physiological, and metabolic adaptation to the two stress scenarios between the Mediterranean and German barley genotypes and (ii) identify metabolic quantitative trait loci (mQTLs). To this end, we have genotyped the investigated barley lines with an Illumina iSelect 9K array and analyzed a set of 57 metabolites from the primary C and N as well as antioxidant metabolism in flag leaves under control and stress conditions. We found that drought-adapted genotypes attenuate leaf carbon metabolism much more strongly than elite lines during drought stress adaptation. Furthermore, we identified mQTLs for flag leaf γ-tocopherol, glutathione, and succinate content by association genetics that co-localize with genes encoding enzymes of the pathways producing these antioxidant metabolites. Our results provide the molecular basis for breeding barley cultivars with improved abiotic stress tolerance
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Barley
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| 650 |
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|a GABA shunt
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| 650 |
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|a combined heat and drought stress
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| 650 |
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|a genome-wide association mapping
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| 650 |
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|a glutathione
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| 650 |
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|a mQTL
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| 650 |
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|a metabolite profiling
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| 650 |
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|a thousand grain weight
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| 650 |
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|a tocopherol.
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|a Ammon, Alexandra
|e verfasserin
|4 aut
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| 700 |
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|a Pscheidt, David
|e verfasserin
|4 aut
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| 700 |
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|a Ciobotea, Otilia
|e verfasserin
|4 aut
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| 700 |
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|a Schuy, Christian
|e verfasserin
|4 aut
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| 700 |
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|a McCollum, Christopher
|e verfasserin
|4 aut
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| 700 |
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|a Sonnewald, Uwe
|e verfasserin
|4 aut
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| 700 |
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|a Hanemann, Anja
|e verfasserin
|4 aut
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| 700 |
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|a Förster, Jutta
|e verfasserin
|4 aut
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| 700 |
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|a Ordon, Frank
|e verfasserin
|4 aut
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| 700 |
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|a von Korff, Maria
|e verfasserin
|4 aut
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| 700 |
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|a Voll, Lars Matthias
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 68(2017), 7 vom: 01. März, Seite 1697-1713
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:68
|g year:2017
|g number:7
|g day:01
|g month:03
|g pages:1697-1713
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erx038
|3 Volltext
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