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GID2, an F‐box subunit of the SCF E3 complex, specifically interacts with phosphorylated SLR1 protein and regulates the gibberellin‐dependent degradation of SLR1 in rice
Open accessAbstract
Summary: The phytohormone gibberellin (GA) controls growth and development in plants. Previously, we identified a rice F‐box protein, gibberellin‐insensitive dwarf2 (GID2), which is essential for GA‐mediated DELLA protein degradation. In this study, we analyzed the biological and molecular biological properties of GID2. Expression of GID2 preferentially occurred in rice organs actively synthesizing GA. Domain analysis of GID2 revealed that the C‐terminal regions were essential for the GID2 function, but not the N‐terminal region. Yeast two‐hybrid assay and immunoprecipitation experiments demonstrated that GID2 is a component of the SCF complex through an interaction with a rice ASK1 homolog, OsSkp15. Furthermore, an in vitro pull‐down assay revealed that GID2 specifically interacted with the phosphorylated Slender Rice 1 (SLR1). Taken these results together, we conclude that the phosphorylated SLR1 is caught by the SCF GID2 complex through an interacting affinity between GID2 and phosphorylated SLR1, triggering the ubiquitin‐mediated degradation of SLR1.
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Citations
Cites
Structure of the Cul1–Rbx1–Skp1–F boxSkp2 SCF ubiquitin ligase complex
Zheng, N., Schulman, B. A., Song, L., Miller, J. J., Jeffrey, P. D., Wang, P., Chu, C., Koepp, D. M., Elledge, S. J., Pagano, M., et al. (2002) · Nature · doi:10.1038/416703a · Cited by 1,507
Cited by
Global Analysis of DELLA Direct Targets in Early Gibberellin Signaling in Arabidopsis
Zentella, R., Zhang, Z.-L., Park, M., Thomas, S. G., Endo, A., Murase, K., Fleet, C. M., Jikumaru, Y., Nambara, E., Kamiya, Y., et al. (2007) · The Plant Cell · doi:10.1105/tpc.107.054999 · Cited by 678
Hartweck, L. M. (2008) · Planta · doi:10.1007/s00425-008-0830-1 · Cited by 107
Epigenetics and Plant Hormone Dynamics: A Functional and Methodological Perspective
Rudolf, J., Tomovicova, L., Panzarova, K., Fajkus, J., Hejatko, J., & Skalak, J. (2024) · Journal of Experimental Botany · doi:10.1093/jxb/erae054 · Cited by 35
Metadata
- Authors
- Gomi, K., Sasaki, A., Itoh, H., Ueguchi‐Tanaka, M., Ashikari, M., Kitano, H., & Matsuoka, M.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2004-01-26
- Volume
- 37
- Issue
- 4
- Pages
- 626-634
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W1593972089
- Cited by
- 291
- References
- 1
- FWCI
- 16.12
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: GID2, an F‐box subunit of the SCF E3 complex, specifically interacts with phosphorylated SLR1 protein and regulates the gibberellin‐dependent degradation of SLR1 in rice. https://app.cochat.ai/papers/10.1111/j.1365-313x.2003.01990.x
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- Gomi, K., Sasaki, A., Itoh, H., Ueguchi‐Tanaka, M., Ashikari, M., Kitano, H., & Matsuoka, M. (2004). GID2, an F‐box subunit of the SCF E3 complex, specifically interacts with phosphorylated SLR1 protein and regulates the gibberellin‐dependent degradation of SLR1 in rice. The Plant Journal. https://doi.org/10.1111/j.1365-313x.2003.01990.x
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