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Article

Hydrogen sulfide persulfidates OAS-A1 to balance cysteine levels in regulating Arabidopsis stomatal development.

Cell reports - 24 Feb 2026

Liu Tong, Zhang Zhiwei, Chen Hao, Luo Sheng, Hu Honghong, Xue Shaowu

Abstract excerpt

Plants regulate photosynthesis and transpiration primarily by adjusting the stomatal aperture and density to adapt to environmental changes. O-acetylserine(thiol)lyase (OAS-TL) maintains a balance between cysteine (Cys) and sulfide metabolism. Here, we report that OAS-TL plays a critical role in stomatal development in Arabidopsis thaliana. Mutations in the OAS-TL family member gene OAS-A1 reduce Cys synthesis,...

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Identifiers

PMID: 41569852
DOI: 10.1016/j.celrep.2025.116879

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Hydrogen sulfide persulfidates OAS-A1 to balance cysteine levels in regulating Arabidopsis stomatal development.PMID 41569852Read ↗

Knocking out cytosolic cysteine synthesis compromises the antioxidant capacity of the cytosol to maintain discrete concentrations of hydrogen peroxide in Arabidopsis.Semantic proximity Read ↗

Molecular basis of cysteine biosynthesis in plants: structural and functional analysis of O-acetylserine sulfhydrylase from Arabidopsis thaliana.Semantic proximity Read ↗

Analysis of the Arabidopsis O-acetylserine(thiol)lyase gene family demonstrates compartment-specific differences in the regulation of cysteine synthesis.Semantic proximity Read ↗

Cysteine biosynthesis, in concert with a novel mechanism, contributes to sulfide detoxification in mitochondria of Arabidopsis thaliana.Semantic proximity Read ↗

Successful fertilization requires the presence of at least one major O-acetylserine(thiol)lyase for cysteine synthesis in pollen of Arabidopsis.Semantic proximity Read ↗

Hydrogen sulfide attenuates intracellular oxidative stress via repressing glycolate oxidase activities in Arabidopsis thaliana.Semantic proximity Read ↗

Cysteine-generated sulfide in the cytosol negatively regulates autophagy and modulates the transcriptional profile in Arabidopsis.Semantic proximity Read ↗

Mitochondrial serine acetyltransferase functions as a pacemaker of cysteine synthesis in plant cells.Semantic proximity Read ↗

Persulfidation proteome reveals the regulation of protein function by hydrogen sulfide in diverse biological processes in Arabidopsis.Semantic proximity Read ↗

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