ArticlePlanta2007
A Ds-insertion mutant of OSH6 (Oryza sativa Homeobox 6) exhibits outgrowth of vestigial leaf-like structures, bracts, in rice.
Article in Planta, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Reverse genetic approaches for breeding nutrient-rich and climate-resilient cereal and food legume crops.Heredity · 2022Article
- Genome-wide in silico analysis of long intergenic non-coding RNAs from rice peduncles at the heading stage.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Integrated Analysis of the Transcriptome and Metabolome Revealed the Molecular Mechanisms Underlying the Enhanced Salt Tolerance of Rice Due to the Application of Exogenous Melatonin.Frontiers in plant science · 2020Article
- Rice OsPEX1, an extensin-like protein, affects lignin biosynthesis and plant growth.Plant molecular biology · 2019Article
- Relationship between symptoms and gene expression induced by the infection of three strains of Rice dwarf virus.PloS one · 2011Article
- Article
- A candidate gene OsAPC6 of anaphase-promoting complex of rice identified through T-DNA insertion.Functional & integrative genomics · 2010Article
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Authors and funding
19 authors.
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Abstract
OSH6 (Oryza sativa Homeobox6) is an ortholog of lg3 (Liguleless3) in maize. We generated a novel allele, termed OSH6-Ds, by inserting a defective Ds element into the third exon of OSH6, which resulted in a truncated OSH6 mRNA. The truncated mRNA was expressed ectopically in leaf tissues and encoded the N-terminal region of OSH6, which includes the KNOX1 and partial KNOX2 subdomains. This recessive mutant showed outgrowth of bracts or produced leaves at the basal node of the panicle. These phenotypes distinguished it from the OSH6 transgene whose ectopic expression led to a "blade to sheath transformation" phenotype at the midrib region of leaves, similar to that seen in dominant Lg3 mutants. Expression of a similar truncated OSH6 cDNA from the 35S promoter (35S::DeltaOSH6) confirmed that the ectopic expression of this product was responsible for the aberrant bract development. These data suggest that OSH6-Ds interferes with a developmental mechanism involved in bract differentiation, especially at the basal nodes of panicles.
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