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Article

RNA processing/modifying enzymes play key roles in the response to thermospermine in Arabidopsis thaliana.

The Plant journal : for cell and molecular biology - 1 Sept 2025

Saraumi Mitsuru, Tanaka Takahiro, Koyama Daiki, Nishi Yoshitaka, Takahashi Yoshihiro, Motose Hiroyasu, Takahashi Taku

Abstract excerpt

Thermospermine is involved in negative regulation of xylem differentiation by enhancing the translation of mRNAs of the SAC51 gene family in Arabidopsis (Arabidopsis thaliana). These mRNAs contain conserved upstream open reading frames (uORFs) that interfere with the translation of the main ORF. To investigate the mechanism by which thermospermine acts in this process, we isolated mutants insensitive to...

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Topics

Arabidopsis
Arabidopsis Proteins
Gene Expression Regulation, Plant
RNA Processing, Post-Transcriptional
Mutation

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

Methyltransferases

Intramolecular Transferases

RNA-Binding Proteins

Spermine

Source

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Identifiers

PMID: 40946342
DOI: 10.1111/tpj.70476
PMCID: PMC12433705

Provenance

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RNA processing/modifying enzymes play key roles in the response to thermospermine in Arabidopsis thaliana.PMID 40946342Read ↗

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 ↗

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

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