Journal article
A polymorphic microsatellite in the limit dextrinase gene of barley (Hordeum vulgare L.)
Molecular Breeding, Vol.5(6), pp.569-577
1999
Abstract
A DNA fragment containing the exons 16, 17 and intron 16 of the limit dextrinase gene was cloned using a 654 bp cDNA as probe. Intron 16 contained a simple sequence repeat (microsatellite). PCR primers were designed to amplify that microsatellite. Using these primers, the limit dextrinase gene was mapped to the short arm of chromosome 1 (7H) using 150 DH lines from the Steptoe × Morex mapping population. This gene co-segregated with the RFLP marker ABC154A. QTLs for malt extract, α-amylase activity, diastatic power and fine-coarse difference previously mapped in the North American Barley Genome Mapping Project have been located in this chromosome region. Five limit dextrinase alleles were detected in 31 barley cultivars with a PIC of 0.75. Ten different alleles/genes were identified in 23 uncultivated Hordeum species or subspecies using these microsatellite primers. The primers also amplified one fragment from wheat and two from oat. This microsatellite should be useful for marker-assisted selection for malting quality.
Details
- Title
- A polymorphic microsatellite in the limit dextrinase gene of barley (Hordeum vulgare L.)
- Authors/Creators
- C. Li (Author/Creator) - University of SaskatchewanX-Q Zhang (Author/Creator) - University of SaskatchewanP. Eckstein (Author/Creator) - University of SaskatchewanB.G. Rossnagel (Author/Creator) - University of SaskatchewanG.J. Scoles (Author/Creator) - University of Saskatchewan
- Publication Details
- Molecular Breeding, Vol.5(6), pp.569-577
- Publisher
- Kluwer Academic Publishers
- Identifiers
- 991005544402007891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.85 Food Science & Technology
- 3.85.99 Cereal Starch Properties
- Web Of Science research areas
- Agronomy
- Genetics & Heredity
- Horticulture
- Plant Sciences
- ESI research areas
- Plant & Animal Science