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Article

Autoregulation and homodimerization are involved in the activation of the plant steroid receptor BRI1.

Developmental cell - 1 Jun 2005

Wang Xuelu, Li Xiaoqing, Meisenhelder Jill, Hunter Tony, Yoshida Shigeo, Asami Tadao, Chory Joanne

Abstract excerpt

The leucine-rich-repeat receptor serine/threonine kinase, BRI1, is a cell-surface receptor for brassinosteroids (BRs), the steroid hormones of plants, yet its activation mechanism is unknown. Here, we report a unique autoregulatory mechanism of BRI1 activation. Removal of BRI1's C terminus leads to a hypersensitive receptor, indicated by suppression of dwarfism of BR-deficient and BR-perception mutants and by...

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Source

Identifiers

PMID: 15935775
DOI: 10.1016/j.devcel.2005.05.001

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

Related research

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Autoregulation and homodimerization are involved in the activation of the plant steroid receptor BRI1.PMID 15935775Read ↗

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BRI1 is a critical component of a plasma-membrane receptor for plant steroids.Semantic proximity Read ↗

Analysis of phosphorylation of the BRI1/BAK1 complex in arabidopsis reveals amino acid residues critical for receptor formation and activation of BR signaling.Semantic proximity Read ↗

Tyrosine phosphorylation controls brassinosteroid receptor activation by triggering membrane release of its kinase inhibitor.Semantic proximity Read ↗

The Brassinosteroid-Activated BRI1 Receptor Kinase Is Switched off by Dephosphorylation Mediated by Cytoplasm-Localized PP2A B' Subunits.Semantic proximity Read ↗

Crystal structures of the phosphorylated BRI1 kinase domain and implications for brassinosteroid signal initiation.Semantic proximity Read ↗

BRI1/BAK1, a receptor kinase pair mediating brassinosteroid signaling.Semantic proximity Read ↗

Tyrosine phosphorylation of the BRI1 receptor kinase emerges as a component of brassinosteroid signaling in Arabidopsis.Semantic proximity Read ↗

Brassinosteroid signal transduction from cell-surface receptor kinases to nuclear transcription factors.Semantic proximity Read ↗

BZR1 is a transcriptional repressor with dual roles in brassinosteroid homeostasis and growth responses.Semantic proximity Read ↗

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