ArticleBMC genomics2015
Molecular characterization and functional analysis of barley semi-dwarf mutant Riso no. 9265.
Article in BMC genomics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed, 41 citations in OpenAlex.
- Drought-induced molecular changes in crown of various barley phytohormone mutants.Plant signaling & behavior · 2024Article
- Diversity of Gibberellin 2-oxidase genes in the barley genome offers opportunities for genetic improvement.Journal of advanced research · 2024Article
- Stacked mutations in wheat homologues of rice SEMI-DWARF1 confer a novel semi-dwarf phenotype.BMC plant biology · 2024Article
- Determination of the Allelic Composition of thePlants (Basel, Switzerland) · 2024Article
- Manipulating GA-Related Genes for Cereal Crop Improvement.International journal of molecular sciences · 2022Review
- CRISPR/Cas9-mediated tetra-allelic mutation of the 'Green Revolution' SEMIDWARF-1 (SD-1) gene confers lodging resistance in tef (Eragrostis tef).Plant biotechnology journal · 2022Article
- High-throughput sequencing data revealed genotype-specific changes evoked by heat stress in crown tissue of barley sdw1 near-isogenic lines.BMC genomics · 2022Article
- OsDREB2B, an AP2/ERF transcription factor, negatively regulates plant height by conferring GA metabolism in rice.Frontiers in plant science · 2022Article
- Article
- Genomic Dissection of Peduncle Morphology in Barley through Nested Association Mapping.Plants (Basel, Switzerland) · 2020Article
- Identification of QTLs conferring resistance to scald (Rhynchosporium commune) in the barley nested association mapping population HEB-25.BMC genomics · 2020Article
- Genetic dissection of the interactions between semi-dwarfing genesMolecular breeding : new strategies in plant improvement · 2020Article
- Genome-Wide Association Mapping of Prostrate/Erect Growth Habit in Winter Durum Wheat.International journal of molecular sciences · 2020Article
- A Novel AP2/ERF Transcription Factor, OsRPH1, Negatively Regulates Plant Height in Rice.Frontiers in plant science · 2020Article
- Barley yield formation under abiotic stress depends on the interplay between flowering time genes and environmental cues.Scientific reports · 2019Article
- Article
- Contrasting genetic regulation of plant development in wild barley grown in two European environments revealed by nested association mapping.Journal of experimental botany · 2018Article
- Impact of the 7-bp deletion in HvGA20ox2 gene on agronomic important traits in barley (Hordeum vulgare L.).BMC plant biology · 2017Article
- Quantitative trait loci for plant height in Maresi × CamB barley population and their associations with yield-related traits under different water regimes.Journal of applied genetics · 2017Article
- Characterization of the sdw1 semi-dwarf gene in barley.BMC plant biology · 2017Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundsdw1/denso is one of the most important and useful semi-dwarf genes in barley breeding. At least four sdw1/denso alleles have been reported and HvGA20ox 2 is considered as the candidate gene. Up to date, results of studies have not univocally proven the genetic relationship between sdw1/denso and HvGA20ox 2 .
resultsIn the present study, a complete deletion of Morex_contig_40861 including both HvGA20ox 2 and Mloc_56463 genes was identified at the sdw1 locus from a semi-dwarf mutant Riso no. 9265. Expression of the genes encoding gibberellin biosynthesis (HvGA20ox 1 and HvGA3ox 2 ) were increased in the mutant compared to the wild type Bomi, while the expression of GA catabolic gene HvGA2ox 3 was decreased. Over-expression of HvGA20ox 2 could rescue the semi-dwarf phenotype and increase GAs concentration.
conclusionsWe confirmed that a GA biosynthetic enzyme HvGA20ox2, acted as GA 20-oxidase, is the functional gene for the sdw1/denso semi-dwarfism. Lose of HvGA20ox 2 is partially compensated by HvGA20ox 1 and further feedback is regulated by gibberellin. We also deduced that the sdw1/denso allele itself affects later heading owing to its reduced endogenous GAs concentration.
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