ArticleNature communications2025
Ribosome biogenesis in plants requires the nuclear envelope and mitochondria localized OPENER complex.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- EARLY ABORTION 1 is an evolutionarily conserved gene required for plant reproduction.Journal of experimental botany · 2026Article
- The unconventional G protein AtYchF1 interacts with ribosomal protein AtRPS7 to modulate selective translation for balancing plant growth and stress responses in Arabidopsis.Plant communications · 2026Article
- Mitochondrial interplay with membrane organelles in health and disease.Cell communication and signaling : CCS · 2026Review
- The mitochondrial and chloroplast genomes ofFrontiers in plant science · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
Eukaryotic ribosome biogenesis proceeds from nucleolus to cytosol assisted by various assembly factors. The process is evolutionarily conserved across eukaryotes but differences between the kingdoms are emerging. Here, we describe how the OPENER (OPNR) protein complex is required for 60S ribosome assembly in the model plant Arabidopsis thaliana. The complex is observed on both nuclear envelope and mitochondria, and contains OPNR, OPENER ASSOCIATED PROTEIN 1 (OAP1), OAP2, Cell Division Cycle 48 D (CDC48D) and Calmodulin-interacting protein 111 (CIP111). Depletion of the OPNR complex components results in reproductive lethality and cytoplasmic retention of assembly factors on 60S ribosomes. Subsequent biochemical analyses and structural modelling suggest that OPNR, OAP1 and OAP2 form a claw-like trimer which grabs the ribosome assembly factor RIBOSOMAL PROTEIN L24C (RPL24C) on the pre-60S ribosome. Our results reveal previously unrecognised subcellular complexity of ribosome biogenesis in plants, and point to mitochondria association as a feature to ensure sufficient translational capacity.
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