ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2019
Uncovering homeologous relationships between tetraploid Agropyron cristatum and bread wheat genomes using COS markers.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 17 citations in OpenAlex.
- A linkage map of Aegilops biuncialis reveals significant genomic rearrangements compared to bread wheat.The plant genome · 2025Article
- Analysis of a global wheat panel reveals a highly diverse introgression landscape and provides evidence for inter-homoeologue chromosomal recombination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Gametocidal genes: from a discovery to the application in wheat breeding.Frontiers in plant science · 2024Review
- Chromosome genomics facilitates the marker development and selection of wheat-Aegilops biuncialis addition, substitution and translocation lines.Scientific reports · 2023Article
- Draft Sequencing Crested Wheatgrass Chromosomes Identified Evolutionary Structural Changes and Genes and Facilitated the Development of SSR Markers.International journal of molecular sciences · 2022Article
- Flow karyotyping of wheat-Frontiers in plant science · 2022Article
- Analysis of Chromosome Associations during Early Meiosis in Wheat Lines Carrying Chromosome Introgressions fromPlants (Basel, Switzerland) · 2021Article
- Molecular Cytogenetic Analysis of the Introgression betweenInternational journal of molecular sciences · 2021Article
- Variation of Chromosome Composition in a Full-Sib Population Derived From 2x × 3x Interploidy Cross ofFrontiers in plant science · 2021Article
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Authors and funding
7 authors at 5 institutions in 5 countries.
Funding
Abstract
key messageUsing COS markers, the study reveals homeologous relationships between tetraploid Agropyron cristatum and bread wheat to support alien introgression breeding of wheat. Crested wheatgrass (Agropyron cristatum L. Gaertn.) is a wild relative of wheat that possesses many genes that are potentially useful in wheat improvement. The species comprises a complex of diploid, tetraploid and hexaploid forms. In this study, wheat-A. cristatum chromosome, telosome and translocation lines were used to characterize syntenic relationships between tetraploid A. cristatum and bread wheat. Prior to mapping COS markers, the cytogenetic stock lines were characterized for fertility and by FISH and GISH for karyotype stability. Out of 328 COS markers selected for the study, 279 consistently amplified products in tetraploid A. cristatum, and, out of these, 139 were polymorphic between tetraploid crested wheatgrass and wheat. Sixty-nine markers were found to be suitable for the detection of tetraploid A. cristatum chromosomes 1P-6P in wheat, ranging from 6 to 17 markers per chromosome. BLASTn of the source ESTs resulted in significant hits for 67 markers on the wheat pseudomolecules. Generally, COS markers of the same homeologous group were detected on similar arms in both Agropyron and wheat. However, some intragenomic duplications and chromosome rearrangements were detected in tetraploid A. cristatum. These results provide new insights into the structure and evolution of the tetraploid A. cristatum genome and will facilitate the exploitation of the wild species for introgression breeding of bread wheat.
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