Journal article
Towards the identification of a gene for prostrate tillers in barley (Hordeum vulgare L.)
PLOS ONE, Vol.13(2), e0192263
2018
Abstract
Tiller angle, an important agronomic trait, contributes to crop production and plays a vital role in breeding for plant architecture. A barley line V-V-HD, which has prostrate tillers during vegetative growth and erect tillers after booting, is considered the ideal type for repressing weed growth and increasing leaf area during early growth. Genetic analysis identified that the prostrate trait in V-V-HD is controlled by a single gene. A double haploid population with 208 lines from V-V-HD × Buloke was used to map the prostrate growth gene. Ninety-six SNP markers were used for primary mapping, and subsequently, SSR and InDel markers were used for fine mapping. The gene was fine-mapped to a 3.53 Mb region on chromosome 3HL between the markers InDelz3028 and InDelz3032 with 52 candidate genes located in this region. Gene annotation analysis of the 52 genes within the target region indicated that a gene involved in zinc-ion binding (gene ID HORVU3Hr1G090910) is likely to be the candidate gene for prostrate growth in V-V-HD, and is linked to the denso/sdw gene. Association analysis showed that prostrate plants were shorter, flowered later.
Details
- Title
- Towards the identification of a gene for prostrate tillers in barley (Hordeum vulgare L.)
- Authors/Creators
- Y. Zhou (Author/Creator) - Yangtze UniversityG. Zhou (Author/Creator) - Murdoch UniversityS. Broughton (Author/Creator) - Government of Western AustraliaS. Westcott (Author/Creator) - Government of Western AustraliaX-Q Zhang (Author/Creator) - Murdoch UniversityY. Xu (Author/Creator) - Yangtze UniversityL. Xu (Author/Creator) - Yangtze UniversityC. Li (Author/Creator) - Government of Western AustraliaW. Zhang (Author/Creator) - Yangtze University
- Publication Details
- PLOS ONE, Vol.13(2), e0192263
- Publisher
- Public Library of Science
- Identifiers
- 991005545451807891
- Copyright
- © 2018 Zhou et al.
- Murdoch Affiliation
- State Agricultural Biotechnology Centre
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Genetics & Heredity
- ESI research areas
- Molecular Biology & Genetics