ArticleMolecular genetics and genomics : MGG2014
Molecular and comparative mapping of genes governing spike compactness from wild emmer wheat.
Article in Molecular genetics and genomics : MGG, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed.
- Article
- QSNS.sicau-D12-3B: A novel and major validated QTL governing wheat spikelet number with significant breeding potential.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Ancient diversity ofFrontiers in plant science · 2025Article
- QTL analysis in the Mianmai 902×Taichang 29 RIL population reveals the genetic basis for the high-yield of wheat cultivars Mianmai 902 in terms of spike and plant architecture.BMC plant biology · 2024Article
- Identification and validation of two quantitative trait loci showing pleiotropic effect on multiple grain-related traits in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Independent genetic factors control floret number and spikelet number inFrontiers in plant science · 2024Article
- Meta-QTL analysis and candidate genes for quality traits, mineral content, and abiotic-related traits in wild emmer.Frontiers in plant science · 2024Article
- Identification of molecular markers and candidate regions associated with grain number per spike in Pubing3228 using SLAF-BSA.Frontiers in plant science · 2024Article
- Two QTL regions for spike length showing pleiotropic effects on Fusarium head blight resistance and thousand-grain weight in bread wheat (Molecular breeding : new strategies in plant improvement · 2023Article
- QTL Mapping for Important Agronomic Traits Using a Wheat55K SNP Array-Based Genetic Map in Tetraploid Wheat.Plants (Basel, Switzerland) · 2023Article
- Identification and validation of a major quantitative trait locus for spike length and compactness in the wheat (Frontiers in plant science · 2023Article
- Whole-genome analysis of hard winter wheat germplasm identifies genomic regions associated with spike and kernel traits.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genetic Dissection of Three Major Quantitative Trait Loci for Spike Compactness and Length in Bread Wheat (Frontiers in plant science · 2022Article
- Identification and validation of two major QTLs for spike compactness and length in bread wheat (Triticum aestivum L.) showing pleiotropic effects on yield-related traits.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Identification of a major and stable QTL on chromosome 5A confers spike length in wheat (Molecular breeding : new strategies in plant improvement · 2021Article
- Multi-Locus Genome-Wide Association Study of Four Yield-Related Traits in Chinese Wheat Landraces.Frontiers in plant science · 2021Article
- The 55K SNP-Based Exploration of QTLs for Spikelet Number Per Spike in a Tetraploid Wheat (Frontiers in plant science · 2021Article
- Spike Density Quantitative Trait Loci Detection and Analysis in Tetraploid and Hexaploid Wheat Recombinant Inbred Line Populations.Frontiers in plant science · 2021Article
- Identification of a major dominant gene for race-nonspecific tan spot resistance in wild emmer wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Genetic analysis of threshability and other spike traits in the evolution of cultivated emmer to fully domesticated durum wheat.Molecular genetics and genomics : MGG · 2019Article
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The development and morphology of the wheat spike is important because the spike is where reproduction occurs and it holds the grains until harvest. Therefore, genes that influence spike morphology are of interest from both theoretical and practical stand points. When substituted for the native chromosome 2A in the tetraploid Langdon (LDN) durum wheat background, the Triticum turgidum ssp. dicoccoides chromosome 2A from accession IsraelA confers a short, compact spike with fewer spikelets per spike compared to LDN. Molecular mapping and quantitative trait loci (QTL) analysis of these traits in a homozygous recombinant population derived from LDN × the chromosome 2A substitution line (LDNIsA-2A) indicated that the number of spikelets per spike and spike length were controlled by linked, but different, loci on the long arm of 2A. A QTL explaining most of the variation for spike compactness coincided with the QTL for spike length. Comparative mapping indicated that the QTL for number of spikelets per spike overlapped with a previously mapped QTL for Fusarium head blight susceptibility. The genes governing spike length and compactness were not orthologous to either sog or C, genes known to confer compact spikes in diploid and hexaploid wheat, respectively. Mapping and sequence analysis indicated that the gene governing spike length and compactness derived from wild emmer could be an ortholog of the barley Cly1/Zeo gene, which research indicates is an AP2-like gene pleiotropically affecting cleistogamy, flowering time, and rachis internode length. This work provides researchers with knowledge of new genetic loci and associated markers that may be useful for manipulating spike morphology in durum wheat.
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