ArticleNucleic acids research2023
The recognition mode between hsRBFA and mitoribosome 12S rRNA during mitoribosomal biogenesis.
Article in Nucleic acids research, 2023. 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, 6 citations in OpenAlex.
- Roles and related underlying mechanisms of mitochondrial RNA modification in cancer progression.Acta pharmacologica Sinica · 2026Review
- Co-regulation and synteny of GFM2 and NSA2 links ribosomal function in mitochondria and the cytosol with chronic kidney disease.Molecular medicine (Cambridge, Mass.) · 2024Review
- Structural insights into the specific recognition of mitochondrial ribosome-binding factor hsRBFA and 12 S rRNA by methyltransferase METTL15.Cell discovery · 2024Article
- GTPase Era at the heart of ribosome assembly.Frontiers in molecular biosciences · 2023Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Eukaryotes contain two sets of genomes: the nuclear genome and the mitochondrial genome. The mitochondrial genome transcripts 13 mRNAs that encode 13 essential proteins for the oxidative phosphorylation complex, 2 rRNAs (12s rRNA and 16s rRNA), and 22 tRNAs. The proper assembly and maturation of the mitochondrial ribosome (mitoribosome) are critical for the translation of the 13 key proteins and the function of the mitochondrion. Human ribosome-binding factor A (hsRBFA) is a mitoribosome assembly factor that binds with helix 28, helix 44 and helix 45 of 12S rRNA and facilitates the transcriptional modification of 12S rRNA during the mitoribosomal biogenesis. Previous research mentioned that the malfunction of hsRBFA will induce the instability of mitoribosomes and affect the function of mitochondria, but the mechanisms underlying the interaction between hsRBFA and 12S rRNA and its influence on mitochondrial function are still unknown. In this study, we found that hsRBFA binds with double strain RNA (dsRNA) through its whole N-terminus (Nt) instead of the KH-like domain alone, which is different from the other homologous. Furthermore, we mapped the key residues that affected the RNA binding and maturation of mitoribosomes in vitro. Finally, we investigated how these residues affect mitochondrial functions in detail and systematically.
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