ArticleJournal of virology2011
Genome sequence of Ostreococcus tauri virus OtV-2 throws light on the role of picoeukaryote niche separation in the ocean.
Article in Journal of virology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 66 citations in OpenAlex.
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- Genomic and biogeographic characterisation of the novel prasinovirus Mantoniella tinhauana virus 1.Environmental microbiology reports · 2024Article
- Genomic analyses of Symbiomonas scintillans show no evidence for endosymbiotic bacteria but does reveal the presence of giant viruses.PLoS genetics · 2024Article
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- Eukaryotic viruses encode the ribosomal protein eL40.Npj viruses · 2024Article
- Virologs, viral mimicry, and virocell metabolism: the expanding scale of cellular functions encoded in the complex genomes of giant viruses.FEMS microbiology reviews · 2023Article
- Isolation and Characterization of a Novel Cyanophage Encoding Multiple Auxiliary Metabolic Genes.Viruses · 2022Article
- A phylogenomic framework for charting the diversity and evolution of giant viruses.PLoS biology · 2021Article
- The genomes of nucleocytoplasmic large DNA viruses: viral evolution writ large.Microbial genomics · 2021Review
- Visualization of Viral Infection Dynamics in a Unicellular Eukaryote and Quantification of Viral Production Using Virus FluorescenceFrontiers in microbiology · 2020Article
- Diel transcriptional response of a California Current plankton microbiome to light, low iron, and enduring viral infection.The ISME journal · 2019Article
- Closely related viruses of the marine picoeukaryotic alga Ostreococcus lucimarinus exhibit different ecological strategies.Environmental microbiology · 2019Article
- Review
- Article
- Prasinovirus Attack of Ostreococcus Is Furtive by Day but Savage by Night.Journal of virology · 2018Article
- Host-derived viral transporter protein for nitrogen uptake in infected marine phytoplankton.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Review
- A Viral Immunity Chromosome in the Marine Picoeukaryote, Ostreococcus tauri.PLoS pathogens · 2016Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ostreococcus tauri, a unicellular marine green alga, is the smallest known free-living eukaryote and is ubiquitous in the surface oceans. The ecological success of this organism has been attributed to distinct low- and high-light-adapted ecotypes existing in different niches at a range of depths in the ocean. Viruses have already been characterized that infect the high-light-adapted strains. Ostreococcus tauri virus (OtV) isolate OtV-2 is a large double-stranded DNA algal virus that infects a low-light-adapted strain of O. tauri and was assigned to the algal virus family Phycodnaviridae, genus Prasinovirus. Our working hypothesis for this study was that different viruses infecting high- versus low-light-adapted O. tauri strains would provide clues to propagation strategies that would give them selective advantages within their particular light niche. Sequence analysis of the 184,409-bp linear OtV-2 genome revealed a range of core functional genes exclusive to this low-light genotype and included a variety of unexpected genes, such as those encoding an RNA polymerase sigma factor, at least four DNA methyltransferases, a cytochrome b(5), and a high-affinity phosphate transporter. It is clear that OtV-2 has acquired a range of potentially functional genes from its host, other eukaryotes, and even bacteria over evolutionary time. Such piecemeal accretion of genes is a trademark of large double-stranded DNA viruses that has allowed them to adapt their propagation strategies to keep up with host niche separation in the sunlit layers of the oceanic environment.
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