Journal article
Detection of QTL for metabolic and agronomic traits in wheat with adjustments for variation at genetic loci that affect plant phenology
Plant Science, Vol.233, pp.143-154
2015
Abstract
Mapping of quantitative trait loci associated with levels of individual metabolites (mQTL) was combined with the mapping of agronomic traits to investigate the genetic basis of variation and co-variation in metabolites, agronomic traits, and plant phenology in a field-grown bread wheat population. Metabolome analysis was performed using liquid chromatography–mass spectrometry resulting in identification of mainly polar compounds, including secondary metabolites. A total of 558 metabolic features were obtained from the flag leaves of 179 doubled haploid lines, of which 197 features were putatively identified, mostly as alkaloids, flavonoids and phenylpropanoids. Coordinated genetic control was observed for several groups of metabolites, such as organic acids influenced by two loci on chromosome 7A. Five major phenology-related loci, which were introduced as cofactors in the analyses, differed in their impact upon metabolic and agronomic traits with QZad-aww-7A having more impact on the expression of both metabolite and agronomic QTL than Ppd-B1, Vrn-A1, Eps, and QZad-aww-7D. This QTL study validates the utility of combining agronomic and metabolomic traits as an approach to identify potential trait enhancement targets for breeding selection and reinforces previous results that demonstrate the importance of including plant phenology in the assessment of useful traits in this wheat mapping population.
Details
- Title
- Detection of QTL for metabolic and agronomic traits in wheat with adjustments for variation at genetic loci that affect plant phenology
- Authors/Creators
- C.B. Hill (Author/Creator) - Australian Centre for Plant Functional GenomicsJ.D. Taylor (Author/Creator) - Australian Wine Research InstituteJ. Edwards (Author/Creator) - Australian Grain Technologies, Roseworthy Campus, Roseworthy, South Australia 5371, AustraliaD. Mather (Author/Creator) - Australian Centre for Plant Functional GenomicsP. Langridge (Author/Creator) - Australian Centre for Plant Functional GenomicsA. Bacic (Author/Creator) - The University of MelbourneU. Roessner (Author/Creator) - The University of Melbourne
- Publication Details
- Plant Science, Vol.233, pp.143-154
- Publisher
- Elsevier
- Identifiers
- 991005543182707891
- Copyright
- © 2015 The Authors.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Biochemistry & Molecular Biology
- Plant Sciences
- ESI research areas
- Plant & Animal Science