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Article

Plant Kelch phosphatases are Ser/Thr phosphatases involved in cell cycle regulation.

Proceedings of the National Academy of Sciences of the United States of America - 26 May 2026

Rico-Resendiz Felix, Pri-Tal Oded, Raia Pierre, Moretti Andrea, Chen Houming, Yu Jun, Broger Larissa, Fuchs Christelle, Hothorn Ludwig A, Loubéry Sylvain, Hothorn Michael

Abstract excerpt

Brassinosteroids (BRs) are plant steroid hormones sensed by the membrane receptor kinase BRI1. Activation of BRI1 leads to the dephosphorylation of BZR1/BES1 transcription factors. Overexpression of the Kelch phosphatase BRI1 SUPPRESSOR 1 (BSU1) rescued the growth defects of bri1 mutants. Subsequent studies identified BSU1 as a protein tyrosine phosphatase, which promotes BR signaling by dephosphorylating a...

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Arabidopsis
Arabidopsis Proteins
Brassinosteroids
Cell Cycle
Gene Expression Regulation, Plant

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Phosphoprotein Phosphatases

Phosphorylation

Protein Kinases

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Open in PubMed Open full text

Identifiers

PMID: 42166246
DOI: 10.1073/pnas.2600591123
PMCID: PMC13214054

Genes

BIN2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026.

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Plant Kelch phosphatases are Ser/Thr phosphatases involved in cell cycle regulation.PMID 42166246Read ↗

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