ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Identification and fine mapping of alien fragments associated with enhanced grain weight from Agropyron cristatum chromosome 7P in common wheat backgrounds.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Impact of Alien Chromosome Introgression fromPlants (Basel, Switzerland) · 2025Article
- Identification of a locus on Agropyron cristatum chromosome 6P that interacts with wheat genes to produce yellow-green leaves.BMC plant biology · 2025Article
- AcRR1 of Agropyron cristatum boosts wheat yield by regulating grain number per spike and heading date.Nature communications · 2025Article
- Mapping and validation of QTkw.cau-3DL, a major QTL controlling thousand-kernel weight in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Construction of a physical map for Aegilops geniculata chromosome 7MTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Introgression of chromosome 5P from Agropyron cristatum enhances grain weight in a wheat background.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Identification and Analysis of lncRNA and circRNA Related to Wheat Grain Development.International journal of molecular sciences · 2024Article
- Pre-breeding of spontaneous Robertsonian translocations for density planting architecture by transferring Agropyron cristatum chromosome 1P into wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genetic insights into superior grain number traits: a QTL analysis of wheat-Agropyron cristatum derivative pubing3228.BMC plant biology · 2024Article
- The launch of satellite: DNA repeats as a cytogenetic tool in discovering the chromosomal universe of wild Triticeae.Chromosoma · 2023Review
- The Genomic Variation and Differentially Expressed Genes on the 6P Chromosomes in Wheat-International journal of molecular sciences · 2023Article
- Identification of Key Modules and Candidate Genes for Powdery Mildew Resistance of Wheat-Agropyron cristatum Translocation Line WAT-2020-17-6 by WGCNAPlants (Basel, Switzerland) · 2023Article
- Mapping of the novel powdery mildew resistance gene Pm2Mb from Aegilops biuncialis based on ph1b-induced homoeologous recombination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Development and application of universal ND-FISH probes for detecting P-genome chromosomes based onMolecular breeding : new strategies in plant improvement · 2022Article
- Comparative Transcriptome Analysis Reveals the Gene Expression and Regulatory Characteristics of Broad-Spectrum Immunity to Leaf Rust in a Wheat-International journal of molecular sciences · 2022Article
- Introgression of chromosome 1P from Agropyron cristatum reduces leaf size and plant height to improve the plant architecture of common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Analysis of Chloroplast Genomes Provides Insights Into the Evolution ofFrontiers in genetics · 2022Article
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11 authors.
Funding
Abstract
key messageAn enhanced grain weight locus from Agropyron cristatum chromosome 7P was verified in two wheat backgrounds, localized to the 7PS1-2 region. Novel translocation lines with this locus were evaluated. Agropyron cristatum is a wild relative of wheat that harbours elite genes for wheat improvement. The wheat-A. cristatum 7P disomic addition line II-5-1 exhibits high grain weight. Here, to dissect the genetic basis of grain weight contributed by A. cristatum chromosome 7P in wheat backgrounds, four segregated populations of the addition line were developed and evaluated in two wheat backgrounds. The results showed that A. cristatum chromosome 7P can stably and significantly increase the grain weight by approximately 2 g, mainly by increasing grain length at different grain weight levels of the wheat background. The locus for increased grain weight from chromosome 7P shows dominant inheritance independent of the wheat background. Moreover, two deletion lines and 23 translocation lines were identified by cytological methods and molecular markers, and an enlarged chromosome 7P bin map was constructed with 158 STS markers and 40 bin intervals. With the genetic populations of these deletion and translocation lines, the genetic locus of increased grain weight was narrowed down to bin 7PS1-2. Two translocation lines (7PT-A18 and 7PT-B4) with smaller 7P chromosomal segments exhibited an increase in grain weight, grain length and grain width simultaneously. These translocation lines carrying the 7PS1-2 chromosomal fragment will be valuable genetic resources for wheat grain weight improvement. Collectively, this study uncovers the grain weight locus from chromosome 7P and provides novel pre-breeding lines with enhanced grain weight.
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