ArticleNature communications2025
New SAR11 isolate genomes and global marine metagenomes resolve ecologically relevant units within the Pelagibacterales.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Water mass specific genes dominate the Southern Ocean microbiome.Nature communications · 2026Article
- Cell cycle dysregulation of globally important SAR11 bacteria resulting from environmental perturbation.Nature microbiology · 2026Article
- AMicrobial genomics · 2026Article
- Ecogenomics and functional biogeography of the Roseobacter group in the global oceans based on 653 MAGs and SAGs.Microbiome · 2025Article
- Widely-distributed freshwater microorganisms with streamlined genomes co-occur in cohorts with high abundance.Scientific reports · 2025Article
- Habitat-specificity in SAR11 is associated with a few genes under high selection.The ISME journal · 2025Article
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Authors and funding
7 authors.
Funding
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Abstract
The bacterial order Pelagibacterales (SAR11) is widely distributed across the global surface ocean, where its activities are integral to the marine carbon cycle. High-quality genomes from isolates that can be propagated and phenotyped are needed to unify perspectives on the ecology and evolution of this complex group. Here, we increase the number of complete SAR11 isolate genomes threefold by describing 81 new SAR11 strains from coastal and offshore surface seawater of the tropical Pacific Ocean. Our analyses of the genomes and their spatiotemporal distributions support the existence of 29 monophyletic, discrete Pelagibacterales ecotypes that we define as genera. The spatiotemporal distributions of genomes within genera were correlated at fine scales with variation in ecologically-relevant gene content, supporting generic assignments and providing indications of speciation. We provide a hierarchical system of classification for SAR11 populations that is meaningfully correlated with evolution and ecology, providing a valid and utilitarian systematic nomenclature for this clade.
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