ArticleThe ISME journal2014
Evolutionary analysis of a streamlined lineage of surface ocean Roseobacters.
Article in The ISME journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed.
- Ecogenomics and functional biogeography of the Roseobacter group in the global oceans based on 653 MAGs and SAGs.Microbiome · 2025Article
- Novel roseophages provide insights into a genetically and ecologically diverse phage family.Microbial genomics · 2025Article
- Genomic Analysis Reveals Adaptation ofApplied and environmental microbiology · 2022Article
- Beyond the ABCs-Discovery of Three New Plasmid Types inMicroorganisms · 2022Article
- Assessing a Role of Genetic Drift for Deep-Time Evolutionary Events.Methods in molecular biology (Clifton, N.J.) · 2022Article
- A Large-Scale Genome-Based Survey of Acidophilic Bacteria Suggests That Genome Streamlining Is an Adaption for Life at Low pH.Frontiers in microbiology · 2022Article
- Mechanisms driving genome reduction of a novel Roseobacter lineage.The ISME journal · 2021Article
- Six-State Amino Acid Recoding is not an Effective Strategy to Offset Compositional Heterogeneity and Saturation in Phylogenetic Analyses.Systematic biology · 2021Article
- Marine Dadabacteria exhibit genome streamlining and phototrophy-driven niche partitioning.The ISME journal · 2021Article
- Tight Adherence (Tad) Pilus Genes Indicate Putative Niche Differentiation in Phytoplankton Bloom AssociatedFrontiers in microbiology · 2021Article
- Pyropia yezoensis genome reveals diverse mechanisms of carbon acquisition in the intertidal environment.Nature communications · 2020Article
- Genomic Characteristics and Potential Metabolic Adaptations of Hadal TrenchFrontiers in microbiology · 2020Article
- The potential for polyphosphate metabolism in Archaea and anaerobic polyphosphate formation in Methanosarcina mazei.Scientific reports · 2019Article
- Strong Purifying Selection Is Associated with Genome Streamlining in Epipelagic Marinimicrobia.Genome biology and evolution · 2019Article
- Effects of Vertical Water Mass Segregation on Bacterial Community Structure in the Beaufort Sea.Microorganisms · 2019Article
- Article
- The marine bacterium Phaeobacter inhibens secures external ammonium by rapid buildup of intracellular nitrogen stocks.FEMS microbiology ecology · 2018Article
- Article
- Spontaneous mutations of a model heterotrophic marine bacterium.The ISME journal · 2017Article
- Excess of non-conservative amino acid changes in marine bacterioplankton lineages with reduced genomes.Nature microbiology · 2017Article
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The vast majority of surface ocean bacteria are uncultivated. Compared with their cultured relatives, they frequently exhibit a streamlined genome, reduced G+C content and distinct gene repertoire. These genomic traits are relevant to environmental adaptation, and have generally been thought to become fixed in marine bacterial populations through selection. Using single-cell genomics, we sequenced four uncultivated cells affiliated with the ecologically relevant Roseobacter clade and used a composition-heterogeneous Bayesian phylogenomic model to resolve these single-cell genomes into a new clade. This lineage has no representatives in culture, yet accounts for ∼35% of Roseobacters in some surface ocean waters. Analyses of multiple genomic traits, including genome size, G+C content and percentage of noncoding DNA, suggest that these single cells are representative of oceanic Roseobacters but divergent from isolates. Population genetic analyses showed that substitution of physicochemically dissimilar amino acids and replacement of G+C-rich to G+C-poor codons are accelerated in the uncultivated clade, processes that are explained equally well by genetic drift as by the more frequently invoked explanation of natural selection. The relative importance of drift vs selection in this clade, and perhaps in other marine bacterial clades with streamlined G+C-poor genomes, remains unresolved until more evidence is accumulated.
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