ArticleBMC genomics2011
Detection of segregation distortion loci in triticale (x Triticosecale Wittmack) based on a high-density DArT marker consensus genetic linkage map.
Article in BMC genomics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.
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Who cites it
60 citing papers in PubMed.
- The Genome Regions Associated with Abiotic and Biotic Stress Tolerance, as Well as Other Important Breeding Traits in Triticale.Plants (Basel, Switzerland) · 2023Review
- Consensus genetic map and QTLs for morphological and agronomical traits in mungbean using DArT markers.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Genotyping-by-sequencing and genome-wide association study reveal genetic diversity and loci controlling agronomic traits in triticale.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Quantitative trait loci and candidate genes associated with freezing tolerance of winter triticale (× Triticosecale Wittmack).Journal of applied genetics · 2022Article
- Genetic mapping of adult-plant resistance genes to powdery mildew in triticale.Journal of applied genetics · 2022Article
- Genetic mapping of male sterility and pollen fertility QTLs in triticale with sterilizing Triticum timopheevii cytoplasm.Journal of applied genetics · 2021Article
- Segregation distortion: high genetic load suggested by a Chinese shrimp family under high-intensity selection.Scientific reports · 2020Article
- Recurrent breakdown and rebalance of segregation distortion in the genomes: battle for the transmission advantage.aBIOTECH · 2020Review
- QTL mapping and successful introgression of the spring wheat-derived QTL Fhb1 for Fusarium head blight resistance in three European triticale populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Identification of genomic regions associated with shoot fly resistance in maize and their syntenic relationships in the sorghum genome.PloS one · 2020Article
- Linkage mapping and quantitative trait loci analysis of sweetness and other fruit quality traits in papaya.BMC plant biology · 2019Article
- Gene Expression Profiling and Fine Mapping Identifies a Gibberellin 2-Oxidase Gene Co-segregating With the Dominant Dwarfing GeneFrontiers in plant science · 2019Article
- Adaptive selection of founder segments and epistatic control of plant height in the MAGIC winter wheat population WM-800.BMC genomics · 2018Article
- High-throughput genotyping-by-sequencing facilitates molecular tagging of a novel rust resistance gene, RTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Genetic linkage map and QTL identification for adventitious rooting traits in red gum eucalypts.3 Biotech · 2018Article
- Article
- A consensus linkage map of lentil based on DArT markers from three RIL mapping populations.PloS one · 2018Article
- An EST-SSR based genetic linkage map and identification of QTLs for anthracnose disease resistance in water yam (Dioscorea alata L.).PloS one · 2018Article
- Triticale Improvement for Forage and Cover Crop Uses in the Southern Great Plains of the United States.Frontiers in plant science · 2018Review
- Populations of doubled haploids for genetic mapping in hexaploid winter triticale.Molecular breeding : new strategies in plant improvement · 2018Article
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7 authors.
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Abstract
backgroundTriticale is adapted to a wide range of abiotic stress conditions, is an important high-quality feed stock and produces similar grain yield but more biomass compared to other crops. Modern genomic approaches aimed at enhancing breeding progress in cereals require high-quality genetic linkage maps. Consensus maps are genetic maps that are created by a joint analysis of the data from several segregating populations and different approaches are available for their construction. The phenomenon that alleles at a locus deviate from the Mendelian expectation has been defined as segregation distortion. The study of segregation distortion is of particular interest in doubled haploid (DH) populations due to the selection pressure exerted on the plants during the process of their establishment.
resultsThe final consensus map, constructed out of six segregating populations derived from nine parental lines, incorporated 2555 DArT markers mapped to 2602 loci (1929 unique). The map spanned 2309.9 cM with an average number of 123.9 loci per chromosome and an average marker density of one unique locus every 1.2 cM. The R genome showed the highest marker coverage followed by the B genome and the A genome. In general, locus order was well maintained between the consensus linkage map and the component maps. However, we observed several groups of loci for which the colinearity was slightly uneven. Among the 2602 loci mapped on the consensus map, 886 showed distorted segregation in at least one of the individual mapping populations. In several DH populations derived by androgenesis, we found chromosomes (2B, 3B, 1R, 2R, 4R and 7R) containing regions where markers exhibited a distorted segregation pattern. In addition, we observed evidence for segregation distortion between pairs of loci caused either by a predominance of parental or recombinant genotypes.
conclusionsWe have constructed a reliable, high-density DArT marker consensus genetic linkage map as a basis for genomic approaches in triticale research and breeding, for example for multiple-line cross QTL mapping experiments. The results of our study exemplify the tremendous impact of different DH production techniques on allele frequencies and segregation distortion covering whole chromosomes.
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