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Article

Specific enhancement of the translation of thermospermine-responsive uORF-containing mRNAs by ribosomal mutations in Arabidopsis thaliana.

Plant signaling & behavior - 1 Dec 2025

Mutsuda Koki, Nishii Yuichi, Toyoshima Tomohiko, Fukushima Hiroko, Motose Hiroyasu, Takahashi Taku

Abstract excerpt

Auxin-induced xylem formation in angiosperms is negatively regulated by thermospermine, whose biosynthesis is also induced by auxin. In Arabidopsis thaliana, loss-of-function mutants of ACL5, which encodes thermospermine synthase, exhibit a dwarf phenotype accompanied by excessive xylem formation. Studies of suppressor mutants that recover from the acl5 dwarf phenotype suggest that thermospermine alleviates the...

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Identifiers

PMID: 40088139
DOI: 10.1080/15592324.2025.2480231
PMCID: PMC11913374

Genes

RPL10A

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

Related research

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Specific enhancement of the translation of thermospermine-responsive uORF-containing mRNAs by ribosomal mutations in Arabidopsis thaliana.PMID 40088139Read ↗

Suppression of the dwarf phenotype of an Arabidopsis mutant defective in thermospermine biosynthesis by a synonymous codon change in the SAC51 uORF.Semantic proximity Read ↗

Mutations in ribosomal proteins, RPL4 and RACK1, suppress the phenotype of a thermospermine-deficient mutant of Arabidopsis thaliana.Semantic proximity Read ↗

A semi-dominant mutation in the ribosomal protein L10 gene suppresses the dwarf phenotype of the acl5 mutant in Arabidopsis thaliana.Semantic proximity Read ↗

The SAC51 Family Plays a Central Role in Thermospermine Responses in Arabidopsis.Semantic proximity Read ↗

Loss of function of an Arabidopsis homologue of JMJD6 suppresses the dwarf phenotype of acl5, a mutant defective in thermospermine biosynthesis.Semantic proximity Read ↗

The dwarf phenotype of the Arabidopsis acl5 mutant is suppressed by a mutation in an upstream ORF of a bHLH gene.Semantic proximity Read ↗

Thermospermine suppresses auxin-inducible xylem differentiation in Arabidopsis thaliana.Semantic proximity Read ↗

Thermospermine is required for stem elongation in Arabidopsis thaliana.Semantic proximity Read ↗

The lba1 mutation of UPF1 RNA helicase involved in nonsense-mediated mRNA decay causes pleiotropic phenotypic changes and altered sugar signalling in Arabidopsis.Semantic proximity Read ↗

Ribosomal proteins promote leaf adaxial identity.Semantic proximity Read ↗

Unlocking translational control of specialized metabolism in plants through 5'UTR structure.Semantic proximity Read ↗

Involvement of Arabidopsis RACK1 in protein translation and its regulation by abscisic acid.Semantic proximity Read ↗

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