ArticleApplied and environmental microbiology2014
Uptake of dissolved organic carbon by gammaproteobacterial subgroups in coastal waters of the West Antarctic Peninsula.
Article in Applied and environmental microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Spatial Differentiation and Community Structure Characteristics of Soil Microorganisms at Variable Hyphosphere Distances in Forest Cultivation Systems ofMicroorganisms · 2026Article
- Ecological diversity and metabolic strategies of widespread Marinisomatota in global oceans.Marine life science & technology · 2025Article
- Exaggerated trans-membrane charge of ammonium transporters in nutrient-poor marine environments.Open biology · 2022Article
- Depth-Dependent Variables Shape Community Structure and Functionality in the Prince Edward Islands.Microbial ecology · 2021Article
- Vertical Stratification of Dissolved Organic Matter Linked to Distinct Microbial Communities in Subtropic Estuarine Sediments.Frontiers in microbiology · 2021Article
- Agulhas Current properties shape microbial community diversity and potential functionality.Scientific reports · 2018Article
- Transcriptional Activities of the Microbial Consortium Living with the Marine Nitrogen-Fixing Cyanobacterium Trichodesmium Reveal Potential Roles in Community-Level Nitrogen Cycling.Applied and environmental microbiology · 2018Article
- Seasonal Shifts in Bacterial Community Responses to Phytoplankton-Derived Dissolved Organic Matter in the Western Antarctic Peninsula.Frontiers in microbiology · 2017Article
- Diverse, uncultivated bacteria and archaea underlying the cycling of dissolved protein in the ocean.The ISME journal · 2016Article
- Seasonal Succession of Free-Living Bacterial Communities in Coastal Waters of the Western Antarctic Peninsula.Frontiers in microbiology · 2016Article
- Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heterotrophic bacteria are well known to be key players in the turnover of dissolved organic material (DOM) in the oceans, but the relationship between DOM uptake and bacterial clades is still not well understood. Here we explore the turnover and single-cell use of glucose, an amino acid mixture, N-acetylglucosamine (NAG), and protein by gammaproteobacterial clades in coastal waters of the West Antarctic Peninsula in summer and fall. More than 60% of the cells within two closely related gammaproteobacterial clades, Ant4D3 and Arctic96B-16, were active in using the amino acid mixture, protein, and NAG. In contrast, an average of only 7% of all SAR86 cells used amino acids and protein even in summer when DOM use was high. In addition to DOM uptake within a group, we explored the contribution of the three gammaproteobacterial groups to total community uptake of a compound. SAR86 contributed 5- to 10-fold less than the other gammaproteobacterial subgroups to the uptake of all compounds. We found that the overall contribution of the Ant4D3 clade to DOM uptake was highest, whereas the SAR86 clade contributed the least to DOM turnover in West Antarctic Peninsula waters. Our results suggest that the low growth activity of a bacterial clade leads to low abundance, fewer active cells and a low contribution to the turnover of DOM components.
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