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Abstract
The genus Aegilops contains a diverse collection of wild species exhibiting variation in geographical distribution, ecological adaptation, ploidy and genome organisation. Aegilops is the most closely related genus to Triticum which includes cultivated wheat, a globally important crop that has a limited gene pool for modern breeding. Aegilops species are a potential future resource for wheat breeding for traits such as adaptation to different ecological conditions and pest and disease resistance. This study describes the development and application of the first high-throughput genotyping platform specifically designed for screening wheat relative species. The platform was used to screen multiple accessions representing all species in the genus Aegilops. Firstly, the data was demonstrated to be useful for screening diversity and examining relationships within and between Aegilops species. Secondly, markers able to characterise and track introgressions from Aegilops species in hexaploid wheat were identified and validated using two different approaches.
Original language | English |
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Article number | 1993 |
Number of pages | 12 |
Journal | Frontiers in Plant Science |
Volume | 9 |
Issue number | 1993 |
DOIs | |
Publication status | Published - 24 Jan 2019 |
Keywords
- Aegilops
- Genotyping array
- Introgression
- Single nucleotide polymorphism (SNP)
- Wheat
- Wheat relative
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Dive into the research topics of 'Developing a high-throughput SNP-based marker system to facilitate the introgression of traits from Aegilops species into bread wheat (Triticum aestivum)'. Together they form a unique fingerprint.Projects
- 1 Finished
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Releasing natural variation in bread wheat by modulating meiotic crossovers
Edwards, K. J.
1/02/16 → 31/01/21
Project: Research