ArticlePlanta2016
An intercalary translocation from Agropyron cristatum 6P chromosome into common wheat confers enhanced kernel number per spike.
Article in Planta, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- AcRR1 of Agropyron cristatum boosts wheat yield by regulating grain number per spike and heading date.Nature communications · 2025Article
- QTL analysis of spike traits and KASP marker validation for basal sterile spikelet number in wheat.BMC plant biology · 2025Article
- A 4NsL chromosome segment fromFrontiers in plant science · 2025Article
- Introgression of chromosome 5P from Agropyron cristatum enhances grain weight in a wheat background.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Hormones and carbohydrates synergistically regulate the formation of swollen roots in a Chinese cabbage translocation line.Horticulture research · 2023Article
- 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
- Article
- Chromosomal mapping of a locus associated with adult-stage resistance to powdery mildew from Agropyron cristatum chromosome 6PL in wheat.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
- 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
- Production of new wheat-Molecular breeding : new strategies in plant improvement · 2022Article
- Molecular Cytogenetic Analysis of the Introgression betweenInternational journal of molecular sciences · 2021Article
- Development and characterization of novelMolecular breeding : new strategies in plant improvement · 2021Article
- Molecular Cytogenetic and Agronomic Characterization of the Similarities and Differences Between Wheat-Frontiers in plant science · 2021Article
- Molecular Mapping and Genomics of Grain Yield in Durum Wheat: A Review.International journal of molecular sciences · 2020Review
- Article
- Deletion mapping and verification of an enhanced-grain number per spike locus from the 6PL chromosome arm of Agropyron cristatum in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Construction of Agropyron Gaertn. genetic linkage maps using a wheat 660K SNP array reveals a homoeologous relationship with the wheat genome.Plant biotechnology journal · 2018Article
- Chromosomal localization of genes conferring desirable agronomic traits from Agropyron cristatum chromosome 1P.PloS one · 2017Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MAIN
conclusionThis study explored 6P chromosomal translocations in wheat, and determined the effects of 6P intercalary chromosome segments on kernel number per wheat spike. Exploiting and utilising gene(s) from wild relative species has become an essential strategy for wheat crop improvement. In the translocation line Pubing2978, the intercalary 6P chromosome segment from Agropyron cristatum (L.) Gaertn. (2n = 4x = 28, PPPP) carried valuable multi-kernel gene(s) and was selected from the offspring of the common wheat plant Fukuho and the irradiated wheat-A. cristatum 6P disomic substitution line 4844-8. Genomic in situ hybridisation (GISH), dual-colour fluorescence in situ hybridisation (FISH), and molecular markers were used to detect the small segmental 6P chromosome in the wheat background and its translocation breakpoint. Cytological studies demonstrated that Pubing2978 was a T1AS-6PL-1AS·1AL intercalary translocation with 42 chromosomes. The breakpoint was located near the centromeric region on the wheat chromosome 1AS and was flanked by the markers SSR12 and SSR283 based on an F2 linkage map. The genotypic data, combined with the phenotypic information, implied that A. cristatum 6P chromosomal segment plays an important role in regulating the kernel number per spike (KPS). By comparison, the mean value of KPS in plants with translocations was approximately 10 higher than that in plants without translocations in three segregated populations. Moreover, the improvement in KPS was likely achieved by increasing both the spikelet number per spike (SNS) and the kernel number per spikelet. These excellent agronomic traits laid the foundation for further investigation of valuable genes and make the Pubing2978 line a promising germplasm for wheat breeding.
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