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Article

A redox-regulated RCC1-like protein controls catalase activity in Arabidopsis.

Nature communications - 15 Aug 2026

Hu Zhoubo, Stolze Sara Christina, Mhamdi Amna, Van Breusegem Frank, Nakagami Hirofumi, Ulm Roman

Abstract excerpt

Reactive oxygen species (ROS) regulate plant growth and stress responses. Catalases play a central role in detoxifying hydrogen peroxide, predominantly within peroxisomes, yet key aspects of catalase regulation remain incompletely understood. Using affinity purification of the UV-B photoreceptor UVR8 coupled with mass spectrometry, we identified CATALASE-INTERACTING RCC1-LIKE 1 (CAIR1), which interacts with all...

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Topics

Arabidopsis
Catalase
Arabidopsis Proteins
Oxidation-Reduction
Oxidative Stress
Peroxisomes
Ultraviolet Rays

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Reactive Oxygen Species

Mutation

Hydrogen Peroxide

Gene Expression Regulation, Plant

Source

Open in PubMed Open full text

Identifiers

PMID: 42736318
DOI: 10.1038/s41467-026-76792-x
PMCID: PMC13575196

Genes

RCC1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 25 Oct 2026.

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A redox-regulated RCC1-like protein controls catalase activity in Arabidopsis.PMID 42736318Read ↗

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