ArticleThe ISME journal2015
Seasonal dynamics of active SAR11 ecotypes in the oligotrophic Northwest Mediterranean Sea.
Article in The ISME journal, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed, 107 citations in OpenAlex.
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- Community Structure and Biodiversity of Active Microbes in the Deep South China Sea.Microorganisms · 2024Article
- The active free-living bathypelagic microbiome is largely dominated by rare surface taxa.ISME communications · 2024Article
- Relationships between Legionella and Aeromonas spp. and associated lake bacterial communities across seasonal changes in an anthropogenic eutrophication gradient.Scientific reports · 2023Article
- Influence of short and long term processes on SAR11 communities in open ocean and coastal systems.ISME communications · 2022Article
- Temporal variation in the prokaryotic community of a nearshore marine environment.Scientific reports · 2022Article
- Seasonal Succession and Temperature Response Pattern of a Microbial Community in the Yellow Sea Cold Water Mass.Applied and environmental microbiology · 2022Article
- Dynamics of actively dividing prokaryotes in the western Mediterranean Sea.Scientific reports · 2022Article
- Seasonal niche differentiation among closely related marine bacteria.The ISME journal · 2022Article
- Spatiotemporal Variation of Microbial Communities in the Ultra-Oligotrophic Eastern Mediterranean Sea.Frontiers in microbiology · 2022Article
- Dynamic bacterial community response to Akashiwo sanguinea (Dinophyceae) bloom in indoor marine microcosms.Scientific reports · 2021Article
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- Expanding the Diversity of Bacterioplankton Isolates and Modeling Isolation Efficacy with Large-Scale Dilution-to-Extinction Cultivation.Applied and environmental microbiology · 2020Article
- Seasonal Niche Partitioning of Surface Temperate Open Ocean Prokaryotic Communities.Frontiers in microbiology · 2020Article
- Prokaryotic Diversity and Distribution Along Physical and Nutrient Gradients in the Tunisian Coastal Waters (South Mediterranean Sea).Frontiers in microbiology · 2020Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A seven-year oceanographic time series in NW Mediterranean surface waters was combined with pyrosequencing of ribosomal RNA (16S rRNA) and ribosomal RNA gene copies (16S rDNA) to examine the environmental controls on SAR11 ecotype dynamics and potential activity. SAR11 diversity exhibited pronounced seasonal cycles remarkably similar to total bacterial diversity. The timing of diversity maxima was similar across narrow and broad phylogenetic clades and strongly associated with deep winter mixing. Diversity minima were associated with periods of stratification that were low in nutrients and phytoplankton biomass and characterised by intense phosphate limitation (turnover time<5 h). We propose a conceptual framework in which physical mixing of the water column periodically resets SAR11 communities to a high diversity state and the seasonal evolution of phosphate limitation competitively excludes deeper-dwelling ecotypes to promote low diversity states dominated (>80%) by SAR11 Ia. A partial least squares (PLS) regression model was developed that could reliably predict sequence abundances of SAR11 ecotypes (Q(2)=0.70) from measured environmental variables, of which mixed layer depth was quantitatively the most important. Comparison of clade-level SAR11 rRNA:rDNA signals with leucine incorporation enabled us to partially validate the use of these ratios as an in-situ activity measure. However, temporal trends in the activity of SAR11 ecotypes and their relationship to environmental variables were unclear. The strong and predictable temporal patterns observed in SAR11 sequence abundance was not linked to metabolic activity of different ecotypes at the phylogenetic and temporal resolution of our study.
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