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Developing a high-throughput SNP-based marker system to facilitate the introgression of traits from Aegilops species into bread wheat (Triticum aestivum)

Research output: Contribution to journalArticle

Original languageEnglish
Article number1993
Number of pages12
JournalFrontiers in Plant Science
Issue number1993
DateAccepted/In press - 21 Dec 2018
DatePublished (current) - 24 Jan 2019


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.

    Research areas

  • Aegilops, Genotyping array, Introgression, Single nucleotide polymorphism (SNP), Wheat, Wheat relative

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Frontiers at DOI: 10.3389/fpls.2018.01993. Please refer to any applicable terms of use of the publisher.

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    Licence: CC BY


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