ArticleScientific reports2021
The genome of the diatom Chaetoceros tenuissimus carries an ancient integrated fragment of an extant virus.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 29 citations in OpenAlex.
- Eukaryotic metagenome-assembled genomes recovered from deep metagenomic sequencing of the seagrass,Microbial genomics · 2026Article
- Chromosome-level genome assembly of a cosmopolitan marine harmful algal bloom diatom species Chaetoceros socialis (Chaetocerotaceae).Scientific data · 2026Article
- The genome of Pleurosigma provides insights into the evolutionary adaptations of pelagic diatoms.DNA research : an international journal for rapid publication of reports on genes and genomes · 2026Article
- Conserved genetic markers reveal widespread diatom sexual reproduction in the global ocean.Nature communications · 2025Article
- 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
- Annotation of protein-coding genes in 49 diatom genomes from the Bacillariophyta clade.Scientific data · 2025Article
- Diatom heterotrophy on brown algal polysaccharides emerged through horizontal gene transfer, gene duplication, and neofunctionalization.PLoS biology · 2025Article
- A high-quality genome of the early diverging tychoplanktonic diatom Paralia guyana.Scientific data · 2024Article
- Diatom abundance in the polar oceans is predicted by genome size.PLoS biology · 2024Article
- Channels of Evolution: Unveiling Evolutionary Patterns in Diatom CaPlants (Basel, Switzerland) · 2024Article
- Genomic adaptation of giant viruses in polar oceans.Nature communications · 2023Article
- Chronological age-related metabolome responses in the dinoflagellate Karenia mikimotoi, can predict future bloom demise.Communications biology · 2023Article
- Whole-genome scanning reveals environmental selection mechanisms that shape diversity in populations of the epipelagic diatom Chaetoceros.PLoS biology · 2022Article
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Authors and funding
9 authors at 5 institutions in 1 country.
Funding
Abstract
Diatoms are one of the most prominent oceanic primary producers and are now recognized to be distributed throughout the world. They maintain their population despite predators, infections, and unfavourable environmental conditions. One of the smallest diatoms, Chaetoceros tenuissimus, can coexist with infectious viruses during blooms. To further understand this relationship, we sequenced the C. tenuissimus strain NIES-3715 genome. A gene fragment of a replication-associated gene from the infectious ssDNA virus (designated endogenous virus-like fragment, EVLF) was found to be integrated into each 41 Mb of haploid assembly. In addition, the EVLF was transcriptionally active and conserved in nine other C. tenuissimus strains from different geographical areas, although the primary structures of their proteins varied. The phylogenetic tree further suggested that the EVLF was acquired by the ancestor of C. tenuissimus. Additionally, retrotransposon genes possessing a reverse transcriptase function were more abundant in C. tenuissimus than in Thalassiosira pseudonana and Phaeodactylum tricornutum. Moreover, a target site duplication, a hallmark for long interspersed nuclear element retrotransposons, flanked the EVLF. Therefore, the EVLF was likely integrated by a retrotransposon during viral infection. The present study provides further insights into the diatom-virus evolutionary relationship.
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