ArticleGenome biology and evolution2013
Massively convergent evolution for ribosomal protein gene content in plastid and mitochondrial genomes.
Article in Genome biology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 102 citations in OpenAlex.
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- Organelle genome evolution in the early-diverging brown algal lineage, Ishigeales.Journal of phycology · 2026Article
- Structure determination and dual targeting of a plant TACO1 identifies its ancient role as an organelle translation regulator.bioRxiv : the preprint server for biology · 2026Article
- The Complete Chloroplast Genome of Tree Fern Cyathea delgadii and Its Comparison to Other Cyatheales.Biochemical genetics · 2026Article
- Comparative organellar genomics ofFrontiers in plant science · 2026Article
- Mitochondrial genomic variation, evolutionary dynamics, and phylogeny of forest-associatedIMA fungus · 2026Article
- Tracing the evolutionary pathway: on the origin of mitochondria and eukaryogenesis.The FEBS journal · 2025Article
- Genome-Wide Identification and Characterization of the mTERF Gene Family in Spinach and the Role ofPlants (Basel, Switzerland) · 2025Article
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- From light into shadow: comparative plastomes in Petrocosmea and implications for low light adaptation.BMC plant biology · 2024Article
- Evolution and maintenance of mtDNA gene content across eukaryotes.The Biochemical journal · 2024Review
- Assessing patterns of metazoans in the global ocean using environmental DNA.Royal Society open science · 2024Article
- The Nitroplast and Its Relatives Support a Universal Model of Features Predicting Gene Retention in Endosymbiont and Organelle Genomes.Genome biology and evolution · 2024Article
- Connecting Species-Specific Extents of Genome Reduction in Mitochondria and Plastids.Molecular biology and evolution · 2024Article
- Chloroplast gene expression: Recent advances and perspectives.Plant communications · 2023Review
- Engineering of pentatricopeptide repeat proteins in organellar gene regulation.Frontiers in plant science · 2023Article
- Features of smaller ribosomes in candidate phyla radiation (CPR) bacteria revealed with a molecular evolutionary analysis.RNA (New York, N.Y.) · 2022Article
- Adaptation to genome decay in the structure of the smallest eukaryotic ribosome.Nature communications · 2022Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plastid and mitochondrial genomes have undergone parallel evolution to encode the same functional set of genes. These encode conserved protein components of the electron transport chain in their respective bioenergetic membranes and genes for the ribosomes that express them. This highly convergent aspect of organelle genome evolution is partly explained by the redox regulation hypothesis, which predicts a separate plastid or mitochondrial location for genes encoding bioenergetic membrane proteins of either photosynthesis or respiration. Here we show that convergence in organelle genome evolution is far stronger than previously recognized, because the same set of genes for ribosomal proteins is independently retained by both plastid and mitochondrial genomes. A hitherto unrecognized selective pressure retains genes for the same ribosomal proteins in both organelles. On the Escherichia coli ribosome assembly map, the retained proteins are implicated in 30S and 50S ribosomal subunit assembly and initial rRNA binding. We suggest that ribosomal assembly imposes functional constraints that govern the retention of ribosomal protein coding genes in organelles. These constraints are subordinate to redox regulation for electron transport chain components, which anchor the ribosome to the organelle genome in the first place. As organelle genomes undergo reduction, the rRNAs also become smaller. Below size thresholds of approximately 1,300 nucleotides (16S rRNA) and 2,100 nucleotides (26S rRNA), all ribosomal protein coding genes are lost from organelles, while electron transport chain components remain organelle encoded as long as the organelles use redox chemistry to generate a proton motive force.
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