The DOI matches its Crossref record; 79 of the 79 references it cites were found in a registry or an index.
Brassinosteroid Regulates Cell Elongation by Modulating Gibberellin Metabolism in Rice
Open accessAbstract
Brassinosteroid (BR) and gibberellin (GA) are two predominant hormones regulating plant cell elongation. A defect in either of these leads to reduced plant growth and dwarfism. However, their relationship remains unknown in rice (Oryza sativa). Here, we demonstrated that BR regulates cell elongation by modulating GA metabolism in rice. Under physiological conditions, BR promotes GA accumulation by regulating the expression of GA metabolic genes to stimulate cell elongation. BR greatly induces the expression of D18/GA3ox-2, one of the GA biosynthetic genes, leading to increased GA1 levels, the bioactive GA in rice seedlings. Consequently, both d18 and loss-of-function GA-signaling mutants have decreased BR sensitivity. When excessive active BR is applied, the hormone mostly induces GA inactivation through upregulation of the GA inactivation gene GA2ox-3 and also represses BR biosynthesis, resulting in decreased hormone levels and growth inhibition. As a feedback mechanism, GA extensively inhibits BR biosynthesis and the BR response. GA treatment decreases the enlarged leaf angles in plants with enhanced BR biosynthesis or signaling. Our results revealed a previously unknown mechanism underlying BR and GA crosstalk depending on tissues and hormone levels, which greatly advances our understanding of hormone actions in crop plants and appears much different from that in Arabidopsis thaliana.
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Cites
Gibberellin Metabolism and its Regulation
Yamaguchi, S. (2008) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.59.032607.092804 · Cited by 2,194
A molecular framework for light and gibberellin control of cell elongation
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GIBBERELLIN INSENSITIVE DWARF1 encodes a soluble receptor for gibberellin
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Self-citationBRI1/BAK1, a Receptor Kinase Pair Mediating Brassinosteroid Signaling
Nam, K. H., & Li, J. (2002) · Cell · doi:10.1016/s0092-8674(02)00814-0 · Cited by 1,217
Coordinated regulation of Arabidopsis thaliana development by light and gibberellins
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Gibberellin metabolism: new insights revealed by the genes
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BRI1 is a critical component of a plasma-membrane receptor for plant steroids
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Cited by
Ahanger, M. A., Ashraf, M., Bajguz, A., & Ahmad, P. (2018) · Journal of Plant Growth Regulation · doi:10.1007/s00344-018-9855-2 · Cited by 142
Tapping into the plasticity of plant architecture for increased stress resilience
Rahmati Ishka, M., & Julkowska, M. (2023) · F1000Research · doi:10.12688/f1000research.140649.1 · Cited by 9
Metadata
- Authors
- Tong, H., Xiao, Y., Liu, D., Gao, S., Liu, L., Yin, Y., Jin, Y., Qian, Q., & Chu, C.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2014-11-01
- Volume
- 26
- Issue
- 11
- Pages
- 4376-4393
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2160056889
- Cited by
- 458
- References
- 79
- FWCI
- 21.99
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Tong, H., Xiao, Y., Liu, D., Gao, S., Liu, L., Yin, Y., Jin, Y., Qian, Q., & Chu, C. (2014). Brassinosteroid Regulates Cell Elongation by Modulating Gibberellin Metabolism in Rice. The Plant Cell. https://doi.org/10.1105/tpc.114.132092
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