ArticleGenetica2011
High-density genetic and physical bin mapping of wheat chromosome 1D reveals that the powdery mildew resistance gene Pm24 is located in a highly recombinogenic region.
Article in Genetica, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Diverse Wheat-Alien Introgression Lines as a Basis for Durable Resistance and Quality Characteristics in Bread Wheat.Frontiers in plant science · 2020Article
- Fine Mapping of the Wheat Leaf Rust Resistance GeneInternational journal of molecular sciences · 2019Article
- Physical mapping of Agropyron cristatum chromosome 6P using deletion lines in common wheat background.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Genetic and physical mapping of powdery mildew resistance gene MlHLT in Chinese wheat landrace Hulutou.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Molecular mapping of a powdery mildew resistance gene in common wheat landrace Baihulu and its allelism with Pm24.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Article
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Abstract
Genetic maps of wheat chromosome 1D consisting of 57 microsatellite marker loci were constructed using Chinese Spring (CS) × Chiyacao F(2) and the International Triticeae Mapping Initiative (ITMI) recombinant inbred lines (RILs) mapping populations. Marker order was consistent, but genetic distances of neighboring markers were different in two populations. Physical bin map of 57 microsatellite marker loci was generated by means of 10 CS 1D deletion lines. The physical bin mapping indicated that microsatellite marker loci were not randomly distributed on chromosome 1D. Nineteen of the 24 (79.2%) microsatellite markers were mapped in the distal 30% genomic region of 1DS, whereas 25 of the 33 (75.8%) markers were assigned to the distal 59% region of 1DL. The powdery mildew resistance gene Pm24, originating from the Chinese wheat landrace Chiyacao, was previously mapped in the vicinity of the centromere on the short arm of chromosome 1D. A high density genetic map of chromosome 1D was constructed, consisting of 36 markers and Pm24, with a total map length of 292.7 cM. Twelve marker loci were found to be closely linked to Pm24. Pm24 was flanked by Xgwm789 (Xgwm603) and Xbarc229 with genetic distances of 2.4 and 3.6 cM, respectively, whereas a microsatellite marker Xgwm1291 co-segregated with Pm24. The microsatellite marker Xgwm1291 was assigned to the bin 1DS5-0.70-1.00 of the chromosome arm 1DS. It could be concluded that Pm24 is located in the '1S0.8 gene-rich region', a highly recombinogenic region of wheat. The results presented here would provide a start point for the map-based cloning of Pm24.
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