ArticleBMC genomics2024
Adaptive evolution of A-to-I auto-editing site in Adar of eusocial insects.
Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A single-cell transcriptome atlas reveals paradoxical monoallelic expression of RNA editing and heterozygous SNPs.Nucleic acids research · 2026Article
- Different mRNAs encoding identical proteins: how and why?Journal of applied genetics · 2026Article
- On the origin, evolution, and maintenance of RNA editing.Nucleic acids research · 2025Review
- Promiscuous RNA editing in lncRNARNA (New York, N.Y.) · 2025Article
- Accurate interpretation of inosines in RNAs: recognized as G is more than basepairing with C.Epigenomics · 2025Article
- Article
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3 authors.
Funding
Abstract
backgroundAdenosine-to-inosine (A-to-I) RNA editing is a co-/post-transcriptional modification introducing A-to-G variations in RNAs. There is extensive discussion on whether the flexibility of RNA editing exerts a proteomic diversification role, or it just acts like hardwired mutations to correct the genomic allele. Eusocial insects evolved the ability to generate phenotypically differentiated individuals with the same genome, indicating the involvement of epigenetic/transcriptomic regulation.
methodsWe obtained the genomes of 104 Hymenoptera insects and the transcriptomes of representative species. Comparative genomic analysis was performed to parse the evolutionary trajectory of a regulatory Ile > Met auto-recoding site in Adar gene.
resultsAt genome level, the pre-editing Ile codon is conserved across a node containing all eusocial hymenopterans. At RNA level, the editing events are confirmed in representative species and shows considerable condition-specificity. Compared to random expectation, the editable Ile codon avoids genomic substitutions to Met or to uneditable Ile codons, but does not avoid mutations to other unrelated amino acids.
conclusionsThe flexibility of Adar auto-recoding site in Hymenoptera is selectively maintained, supporting the flexible RNA editing hypothesis. We proposed a new angle to view the adaptation of RNA editing, providing another layer to explain the great phenotypical plasticity of eusocial insects.
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