ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2014
Linkage disequilibrium and association analysis of stripe rust resistance in wild emmer wheat (Triticum turgidum ssp. dicoccoides) population in Israel.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 36 citations in OpenAlex.
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- A new wild emmer wheat panel allows to map new loci associated with resistance to stem rust at seedling stage.The plant genome · 2025Article
- Wild Emmer (Life (Basel, Switzerland) · 2025Article
- Genetic analysis of protein content and oil content in soybean by genome-wide association study.Frontiers in plant science · 2023Article
- TdPm60 identified in wild emmer wheat is an ortholog of Pm60 and constitutes a strong candidate for PmG16 powdery mildew resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- The Genetic Architecture of Grain Yield in Spring Wheat Based on Genome-Wide Association Study.Frontiers in genetics · 2021Article
- Comparative transcriptomic and metabolic analysis of wild and domesticated wheat genotypes reveals differences in chemical and physical defense responses against aphids.BMC plant biology · 2020Article
- Multiplex restriction amplicon sequencing: a novel next-generation sequencing-based marker platform for high-throughput genotyping.Plant biotechnology journal · 2020Article
- Genotype Imputation in Winter Wheat Using First-Generation Haplotype Map SNPs Improves Genome-Wide Association Mapping and Genomic Prediction of Traits.G3 (Bethesda, Md.) · 2019Article
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- Exploring the metabolic variation between domesticated and wild tetraploid wheat genotypes in response to corn leaf aphid infestation.Plant signaling & behavior · 2018Article
- Genome-wide association mapping reveals a rich genetic architecture of stripe rust resistance loci in emmer wheat (Triticum turgidum ssp. dicoccum).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Genome-wide DArT and SNP scan for QTL associated with resistance to stripe rust (Puccinia striiformis f. sp. tritici) in elite ICARDA wheat (Triticum aestivum L.) germplasm.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Molecular organization and comparative analysis of chromosome 5B of the wild wheat ancestor Triticum dicoccoides.Scientific reports · 2015Article
- Genome-Wide Association Mapping for Resistance to Leaf and Stripe Rust in Winter-Habit Hexaploid Wheat Landraces.PloS one · 2015Article
- Genome-Wide Linkage Mapping of QTL for Yield Components, Plant Height and Yield-Related Physiological Traits in the Chinese Wheat Cross Zhou 8425B/Chinese Spring.Frontiers in plant science · 2015Article
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageRapid LD decay in wild emmer population from Israel allows high-resolution association mapping. Known and putative new stripe rust resistance genes were found. Genome-wide association mapping (GWAM) is becoming an important tool for the discovery and mapping of loci underlying trait variation in crops, but in the wild relatives of crops the use of GWAM has been limited. Critical factors for the use of GWAM are the levels of linkage disequilibrium (LD) and genetic diversity in mapped populations, particularly in those of self-pollinating species. Here, we report LD estimation in a population of 128 accessions of self-pollinating wild emmer, Triticum turgidum ssp. dicoccoides, the progenitor of cultivated wheat, collected in Israel. LD decayed fast along wild emmer chromosomes and reached the background level within 1 cM. We employed GWAM for the discovery and mapping of genes for resistance to three isolates of Puccinia striiformis, the causative agent of wheat stripe rust. The wild emmer population was genotyped with the wheat iSelect assay including 8643 gene-associated SNP markers (wheat 9K Infinium) of which 2,278 were polymorphic. The significance of association between stripe rust resistance and each of the polymorphic SNP was tested using mixed linear model implemented in EMMA software. The model produced satisfactory results and uncovered four significant associations on chromosome arms 1BS, 1BL and 3AL. The locus on 1BS was located in a region known to contain stripe rust resistance genes. These results show that GWAM is an effective strategy for gene discovery and mapping in wild emmer that will accelerate the utilization of this genetic resource in wheat breeding.
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