ArticlePlanta2010
Identification and characterization of dwarf 62, a loss-of-function mutation in DLT/OsGRAS-32 affecting gibberellin metabolism in rice.
Article in Planta, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed.
- A single-cell transcriptome atlas reveals the transcriptionally earliest state in rice callus.BMC plant biology · 2026Article
- Improving grain yield and salt tolerance by optimizing plant height with beneficial haplotypes in rice (Oryza sativa).Journal of advanced research · 2025Article
- The 14-3-3 Protein OsGF14h Coordinates Brassinosteroid and Gibberellin Signaling to Regulate Plant Growth and Grain Yield in Rice.Rice (New York, N.Y.) · 2025Article
- Genetic identification and characterization of quantitative trait loci for wheat grain size-related traits independent of grain number per spike.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Brassinosteroid biosynthesis and signaling: Conserved and diversified functions of core genes across multiple plant species.Plant communications · 2024Review
- A maize semi-dwarf mutant reveals a GRAS transcription factor involved in brassinosteroid signaling.Plant physiology · 2024Article
- Genome-Wide Identification of GRAS Transcription Factors and Their Functional Analysis in Salt Stress Response in Sugar Beet.International journal of molecular sciences · 2024Article
- Introgression of the Self-Pruning Gene into Dwarf Tomatoes to Obtain Salad-Type Determinate Growth Lines.Plants (Basel, Switzerland) · 2024Article
- The regulation ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Transcriptional responses to gibberellin in the maize tassel and control by DELLA domain proteins.The Plant journal : for cell and molecular biology · 2022Article
- Rice DWARF AND LOW-TILLERING and the homeodomain protein OSH15 interact to regulate internode elongation via orchestrating brassinosteroid signaling and metabolism.The Plant cell · 2022Article
- Article
- Genome-wide association study and Mendelian randomization analysis provide insights for improving rice yield potential.Scientific reports · 2021Article
- TheProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Genome-Wide Identification of Brassinosteroid Signaling Downstream Genes in Nine Rosaceae Species and Analyses of Their Roles in Stem Growth and Stress Response in Apple.Frontiers in genetics · 2021Article
- Transcriptome-Wide Identification, Evolutionary Analysis, and GA Stress Response of thePlants (Basel, Switzerland) · 2020Article
- Genome-wide identification and expression of GRAS gene family members in cassava.BMC plant biology · 2020Article
- Genome-wide identification, expression analysis and functional study of the GRAS gene family in Tartary buckwheat (Fagopyrum tataricum).BMC plant biology · 2019Article
- Control of grain size in rice.Plant reproduction · 2018Review
- Phytohormone inhibitor treatments phenocopy brassinosteroid-gibberellin dwarf mutant interactions in maize.Plant direct · 2017Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A dwarf mutant, dwarf 62 (d62), was isolated from rice cultivar 93-11 by mutagenesis with γ-rays. Under normal growth conditions, the mutant had multiple abnormal phenotypes, such as dwarfism, wide and dark-green leaf blades, reduced tiller numbers, late and asynchronous heading, short roots, partial male sterility, etc. Genetic analysis indicated that the abnormal phenotypes were controlled by the recessive mutation of a single nuclear gene. Using molecular markers, the D62 gene was fine mapped in 131-kb region at the short arm of chromosome 6. Positional cloning of D62 gene revealed that it was the same locus as DLT/OsGRAS-32, which encodes a member of the GRAS family. In previous studies, the DLT/OsGRAS-32 is confirmed to play positive roles in brassinosteroid (BR) signaling. Sequence analysis showed that the d62 carried a 2-bp deletion in ORF region of D62 gene which led to a loss-of-function mutation. The function of D62 gene was confirmed by complementation experiment. RT-PCR analysis and promoter activity analysis showed that the D62 gene expressed in all tested tissues including roots, stems, leaves and panicles of rice plant. The d62 mutant exhibited decreased activity of α-amylase in endosperm and reduced content of endogenous GA(1). The expression levels of gibberellin (GA) biosynthetic genes including OsCPS1, OsKS1, OsKO1, OsKAO, OsGA20ox2/SD1 and OsGA2ox3 were significantly increased in d62 mutant. Briefly, these results demonstrated that the D62 (DLT/OsGRAS-32) not only participated in the regulation of BR signaling, but also influenced GA metabolism in rice.
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