The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
The Gibberellin Signaling Pathway Is Regulated by the Appearance and Disappearance of SLENDER RICE1 in Nuclei
Open accessAbstract
The slender rice1 mutant (slr1) shows a constitutive gibberellin (GA) response phenotype. To investigate the mode of action of SLR1, we generated transgenic rice expressing a fusion protein consisting of SLR1 and green fluorescent protein (SLR1-GFP) and analyzed the phenotype of the transformants and the subcellular localization of GFP in vivo. SLR1-GFP worked in nuclei to repress the GA signaling pathway; its overproduction caused a dwarf phenotype. Application of GA(3) to SLR1-GFP overproducers induced GA actions such as shoot elongation, downregulation of GA 20-oxidase expression, and upregulation of SLR1 expression linked with the disappearance of the nuclear SLR1-GFP protein. We also performed domain analyses of SLR1 using transgenic plants overproducing different kinds of truncated SLR1 proteins. The analyses revealed that the SLR1 protein can be divided into four parts: a GA signal perception domain located at the N terminus, a regulatory domain for its repression activity, a dimer formation domain essential for signal perception and repression activity, and a repression domain at the C terminus. We conclude that GA signal transduction is regulated by the appearance or disappearance of the nuclear SLR1 protein, which is controlled by the upstream GA signal.
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Cites
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Global Analysis of DELLA Direct Targets in Early Gibberellin Signaling in Arabidopsis
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Accumulation of Phosphorylated Repressor for Gibberellin Signaling in an F-box Mutant
Sasaki, A., Itoh, H., Gomi, K., Ueguchi-Tanaka, M., Ishiyama, K., Kobayashi, M., Jeong, D.-H., An, G., Kitano, H., Ashikari, M., et al. (2003) · Science · doi:10.1126/science.1081077 · Cited by 678
Self-citationThe Arabidopsis SLEEPY1 Gene Encodes a Putative F-Box Subunit of an SCF E3 Ubiquitin Ligase[W]
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Genome-Wide Analysis of the GRAS Gene Family in Rice and Arabidopsis
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Metadata
- Authors
- Itoh, H., Ueguchi-Tanaka, M., Sato, Y., Ashikari, M., & Matsuoka, M.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-01
- Volume
- 14
- Issue
- 1
- Pages
- 57-70
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2163628867
- Cited by
- 513
- References
- 32
- FWCI
- 36.39
- Type
- journal article
- Language
- en
- Open access
- green
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- Itoh, H., Ueguchi-Tanaka, M., Sato, Y., Ashikari, M., & Matsuoka, M. (2002). The Gibberellin Signaling Pathway Is Regulated by the Appearance and Disappearance of SLENDER RICE1 in Nuclei. The Plant Cell. https://doi.org/10.1105/tpc.010319
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