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Nuclear-Localized BZR1 Mediates Brassinosteroid-Induced Growth and Feedback Suppression of Brassinosteroid Biosynthesis
Open accessAbstract
Plant steroid hormones, brassinosteroids (BRs), are perceived by a cell surface receptor kinase, BRI1, but how BR binding leads to regulation of gene expression in the nucleus is unknown. Here we describe the identification of BZR1 as a nuclear component of the BR signal transduction pathway. A dominant mutation bzr1-1D suppresses BR-deficient and BR-insensitive (bri1) phenotypes and enhances feedback inhibition of BR biosynthesis. BZR1 protein accumulates in the nucleus of elongating cells of dark-grown hypocotyls and is stabilized by BR signaling and the bzr1-1D mutation. Our results demonstrate that BZR1 is a positive regulator of the BR signaling pathway that mediates both downstream BR responses and feedback regulation of BR biosynthesis.
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Cited by
Kim, T.-W., Guan, S., Sun, Y., Deng, Z., Tang, W., Shang, J.-X., Sun, Y., Burlingame, A. L., & Wang, Z.-Y. (2009) · Nature Cell Biology · doi:10.1038/ncb1970 · Cited by 693
Self-citationTanabe, S., Ashikari, M., Fujioka, S., Takatsuto, S., Yoshida, S., Yano, M., Yoshimura, A., Kitano, H., Matsuoka, M., Fujisawa, Y., et al. (2005) · The Plant Cell · doi:10.1105/tpc.104.024950 · Cited by 555
Self-citationBrassinosteroid Signaling Network and Regulation of Photomorphogenesis
Wang, Z.-Y., Bai, M.-Y., Oh, E., & Zhu, J.-Y. (2012) · Annual Review of Genetics · doi:10.1146/annurev-genet-102209-163450 · Cited by 490
Self-citationHeterodimerization and Endocytosis of Arabidopsis Brassinosteroid Receptors BRI1 and AtSERK3 (BAK1)
Russinova, E., Borst, J.-W., Kwaaitaal, M., Caño-Delgado, A., Yin, Y., Chory, J., & de Vries, S. C. (2004) · The Plant Cell · doi:10.1105/tpc.104.025387 · Cited by 478
Self-citationLi, H., Ye, K., Shi, Y., Cheng, J., Zhang, X., & Yang, S. (2017) · Molecular Plant · doi:10.1016/j.molp.2017.01.004 · Cited by 426
Metadata
- Authors
- Wang, Z.-Y., Nakano, T., Gendron, J., He, J., Chen, M., Vafeados, D., Yang, Y., Fujioka, S., Yoshida, S., Asami, T., & Chory, J.
- Venue
- Developmental Cell
- Publisher
- Elsevier BV
- Published
- 2002-04
- Volume
- 2
- Issue
- 4
- Pages
- 505-513
- ISSN
- 1534-5807 (ISSN-L)
- OpenAlex
- W2031391689
- Cited by
- 1,144
- References
- 0
- FWCI
- 36.39
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wang, Z.-Y., Nakano, T., Gendron, J., He, J., Chen, M., Vafeados, D., Yang, Y., Fujioka, S., Yoshida, S., Asami, T., & Chory, J. (2002). Nuclear-Localized BZR1 Mediates Brassinosteroid-Induced Growth and Feedback Suppression of Brassinosteroid Biosynthesis. Developmental Cell. https://doi.org/10.1016/s1534-5807(02)00153-3
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