ArticleBMC plant biology2017
Characterization of the sdw1 semi-dwarf gene in barley.
Article in BMC plant biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 1 of them a synthesis that pooled it.
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48 citing papers in PubMed, 1 synthesis or guideline pooled it, 100 citations in OpenAlex.
- New loci and candidate genes in spring two-rowed barley detected through meta-analysis of a field trial European network.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Pooled it
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- Comparing hormone dynamics in cereal crops via transient expression of hormone sensors.Plant & cell physiology · 2025Article
- Major Genes for Powdery Mildew Resistance in Research and Breeding of Barley: A Few Brief Narratives and Recommendations.Plants (Basel, Switzerland) · 2025Review
- Heat stress causes chromatin accessibility and related gene expression changes in crown tissues of barley (Hordeum vulgare).Plant molecular biology · 2024Article
- Introgression of the Self-Pruning Gene into Dwarf Tomatoes to Obtain Salad-Type Determinate Growth Lines.Plants (Basel, Switzerland) · 2024Article
- Stacked mutations in wheat homologues of rice SEMI-DWARF1 confer a novel semi-dwarf phenotype.BMC plant biology · 2024Article
- A guide to barley mutants.Hereditas · 2024Review
- Dynamic Phytomeric Growth Contributes to Local Adaptation in Barley.Molecular biology and evolution · 2024Article
- Determination of the Allelic Composition of thePlants (Basel, Switzerland) · 2024Article
- A short stature allele enhances tolerance to zinc deficiency and translocation of zinc in barley.PeerJ · 2024Article
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- New semi-dwarfing alleles with increased coleoptile length by gene editing of gibberellin 3-oxidase 1 using CRISPR-Cas9 in barley (Hordeum vulgare L.).Plant biotechnology journal · 2023Article
- Validation of SNP markers for selection of semi-dwarf and peduncle extrusion in barley.Molecular breeding : new strategies in plant improvement · 2023Article
- Identification of a candidate dwarfing gene in Pallas, the first commercial barley cultivar generated through mutational breeding.Frontiers in genetics · 2023Article
- Detection of consensus genomic regions and candidate genes for quality traits in barley using QTL meta-analysis.Frontiers in plant science · 2023Article
- Manipulating GA-Related Genes for Cereal Crop Improvement.International journal of molecular sciences · 2022Review
Corrections and comments
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Authors and funding
9 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe dwarfing gene sdw1 has been widely used throughout the world to develop commercial barley varieties. There are at least four different alleles at the sdw1 locus.
resultsMutations in the gibberellin 20-oxidase gene (HvGA20ox2) resulted in multiple alleles at the sdw1 locus. The sdw1.d allele from Diamant is due to a 7-bp deletion in exon 1, while the sdw1.c allele from Abed Denso has 1-bp deletion and a 4-bp insertion in the 5' untranslated region. The sdw1.a allele from Jotun resulted from a total deletion of the HvGA20ox2 gene. The structural changes result in lower gene expression in sdw1.d and lack of expression in sdw1.a. There are three HvGA20ox genes in the barley genome. The partial or total loss of function of the HvGA20ox2 gene could be compensated by enhanced expression of its homolog HvGA20ox1and HvGA20ox3. A diagnostic molecular marker was developed to differentiate between the wild-type, sdw1.d and sdw1.a alleles and another molecular marker for differentiation of sdw1.c and sdw1.a. The markers were further tested in 197 barley varieties, out of which 28 had the sdw1.d allele and two varieties the sdw1.a allele. To date, the sdw1.d and sdw1.a alleles have only been detected in the modern barley varieties and lines.
conclusionsThe results provided further proof that the gibberellin 20-oxidase gene (HvGA20ox2) is the functional gene of the barley sdw1 mutants. Different deletions resulted in different functional alleles for different breeding purposes. Truncated protein could maintain partial function. Partial or total loss of function of the HvGA20ox2 gene could be compensated by enhanced expression of its homolog HvGA20ox1 and HvGA20ox3.
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