ArticleJournal of experimental botany2013
'Overgrowth' mutants in barley and wheat: new alleles and phenotypes of the 'Green Revolution' DELLA gene.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 102 citations in OpenAlex.
- Heat and Drought Co-Stress During Microgametogenesis Altered Pollen Development, Fertility and Grain Production in Two-Rowed Winter Barley.Plants (Basel, Switzerland) · 2026Article
- Identification of LsPROG gene in Leymus secalinus and validation of its function in Arabidopsis thaliana.BMC genomics · 2026Article
- Structure-guided reprogramming of DELLA turnover for a sustainable Green Revolution in rice.Nature communications · 2026Article
- First brassinosteroid-based dwarf mutant discovered and characterized in grapevine.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Molecular Breeding for Abiotic Stress Tolerance in Crops: Recent Developments and Future Prospectives.International journal of molecular sciences · 2025Review
- Green Revolution DELLA Proteins: Functional Analysis and Regulatory Mechanisms.Annual review of plant biology · 2025Review
- Drought-induced molecular changes in crown of various barley phytohormone mutants.Plant signaling & behavior · 2024Article
- A conditional mutation in a wheat (Triticum aestivum L.) gene regulating root morphology.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- A pathogen-induced putative NAC transcription factor mediates leaf rust resistance in barley.Nature communications · 2023Article
- The master growth regulator DELLA binding to histone H2A is essential for DELLA-mediated global transcription regulation.Nature plants · 2023Article
- Manipulating GA-Related Genes for Cereal Crop Improvement.International journal of molecular sciences · 2022Review
- FIND-IT: Accelerated trait development for a green evolution.Science advances · 2022Article
- Changes in the concentrations and transcripts for gibberellins and other hormones in a growing leaf and roots of wheat seedlings in response to water restriction.BMC plant biology · 2022Article
- Genome Editing in Crop Plant Research-Alignment of Expectations and Current Developments.Plants (Basel, Switzerland) · 2022Article
- Multi-environment genome -wide association mapping of culm morphology traits in barley.Frontiers in plant science · 2022Article
- BED domain-containing NLR from wild barley confers resistance to leaf rust.Plant biotechnology journal · 2021Article
- Regulation of DELLA Proteins by Post-translational Modifications.Plant & cell physiology · 2020Review
- TEOSINTE BRANCHED1 regulates height and stem internode length in bread wheat.Journal of experimental botany · 2020Article
- Identification of a novel ERF gene, TaERF8, associated with plant height and yield in wheat.BMC plant biology · 2020Article
- Manipulating Gibberellin Control Over Growth and Fertility as a Possible Target for Managing Wild Radish Weed Populations in Cropping Systems.Frontiers in plant science · 2020Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A suppressor screen using dwarf mutants of barley (Hordeum vulgare L.) led to the isolation of 'overgrowth' derivatives, which retained the original dwarfing gene but grew at a faster rate because of a new mutation. The new mutations were in the Slender1 (Sln1) gene (11/13 cases), which encodes the DELLA protein central to gibberellin (GA) signalling, showed 100% genetic linkage to Sln1 (1/13), or were in the Spindly1 (Spy1) gene (1/13), which encodes another protein involved in GA signalling. The overgrowth mutants were characterized by increased GA signalling, although the extent still depended on the background GA biosynthesis capacity, GA receptor function, and DELLA activity. A comparison between two GA responses, α-amylase production and leaf growth rate, revealed degrees of specificity for both the overgrowth allele and the GA response under consideration. Many overgrowth mutants were also isolated in a dwarf line of bread wheat (Triticum aestivum L.) and 19 new alleles were identified in the Rht-B1 gene, one of the 'Green Revolution' semi-dwarfing genes and the orthologue of Sln1. The sites of amino acid substitutions in the DELLA proteins of both species provide insight into DELLA function, and included examples where identical but independent substitutions were observed. In both species, the starting lines were too dwarfed to be directly useful in breeding programmes, but new overgrowth derivatives with semidwarf heights have now been characterized. The variation they exhibit in GA-influenced traits identifies novel alleles with perfect markers that are of potential use in breeding.
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