ArticleScientific reports2017
Genomic divergence within non-photosynthetic cyanobacterial endosymbionts in rhopalodiacean diatoms.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Genomes of NBMC genomics · 2026Article
- Genomes of nitrogen-fixing eukaryotes reveal an alternate path for organellogenesis.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Selection Maintains Photosynthesis in a Symbiotic Cyanobacterium Despite Redundancy With its Fern Host.Molecular biology and evolution · 2025Article
- Protein import into bacterial endosymbionts and evolving organelles.The FEBS journal · 2025Review
- Novel pennate diatom symbionts support high NISME communications · 2025Article
- The Nitroplast and Its Relatives Support a Universal Model of Features Predicting Gene Retention in Endosymbiont and Organelle Genomes.Genome biology and evolution · 2024Article
- Diurnal transcriptional variation is reduced in a nitrogen-fixing diatom endosymbiont.The ISME journal · 2024Article
- The endosymbiont ofISME communications · 2024Article
- Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters.FEMS microbiology reviews · 2023Review
- The marine nitrogen cycle: new developments and global change.Nature reviews. Microbiology · 2022Review
- Overlooked and widespread pennate diatom-diazotroph symbioses in the sea.Nature communications · 2022Article
- Tightly Constrained Genome Reduction and Relaxation of Purifying Selection during Secondary Plastid Endosymbiosis.Molecular biology and evolution · 2022Article
- Global distribution patterns of marine nitrogen-fixers by imaging and molecular methods.Nature communications · 2021Article
- Critical Role of Light in the Growth and Activity of the Marine NFrontiers in microbiology · 2021Article
- Single-cell genomics unveiled a cryptic cyanobacterial lineage with a worldwide distribution hidden by a dinoflagellate host.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
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2 authors.
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Abstract
Organelle acquisitions via endosymbioses with prokaryotes were milestones in the evolution of eukaryotes. Still, quite a few uncertainties have remained for the evolution in the early stage of organellogenesis. In this respect, rhopalodiacean diatoms and their obligate cyanobacterial endosymbionts, called spheroid bodies, are emerging as new models for the study of organellogenesis. The genome for the spheroid body of Epithemia turgida, a rhopalodiacean diatom, has unveiled its unique metabolic nature lacking the photosynthetic ability. Nevertheless, the genome sequence of a spheroid body from a single lineage may not be sufficient to depict the evolution of these cyanobacterium-derived intracellular structures as a whole. Here, we report on the complete genome for the spheroid body of Rhopalodia gibberula, a lineage distinct from E. turgida, of which genome has been fully determined. Overall, features in genome structure and metabolic capacity, including a lack of photosynthetic ability, were highly conserved between the two spheroid bodies. However, our comparative genomic analyses revealed that the genome of the R. gibberula spheroid body exhibits a lower non-synonymous substitution rate and a slower progression of pseudogenisation than those of E. turgida, suggesting that a certain degree of diversity exists amongst the genomes of obligate endosymbionts in unicellular eukaryotes.
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