ArticleScience advances2024
Substrate uptake patterns shape niche separation in marine prokaryotic microbiome.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Major contribution of anaplerosis to inorganic carbon fixation in the dark ocean.Nature geoscience · 2026Article
- Variations in deep-sea microbial composition and assembly mechanisms under different culture strategies.Frontiers in microbiology · 2026Article
- Size-fractionated fungal communities in the sunlit ocean.Communications biology · 2025Article
- Ecogenomics and functional biogeography of the Roseobacter group in the global oceans based on 653 MAGs and SAGs.Microbiome · 2025Article
- More realistic plankton simulation models will improve projections of ocean ecosystem responses to global change.Nature ecology & evolution · 2025Review
- Organic matter degradation by oceanic fungi differs between polar and non-polar waters.Nature communications · 2025Article
- Metagenomic analysis reveals genetic coupling between TonB-dependent transporters and extracellular enzymes in coastal bacterial communities.Marine life science & technology · 2025Article
- Microbial metabolism in laboratory reared marine snow as revealed by a multi-omics approach.Microbiome · 2025Article
- Large diversity in the O-chain biosynthetic cluster within populations of Pelagibacterales.mBio · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Marine heterotrophic prokaryotes primarily take up ambient substrates using transporters. The patterns of transporters targeting particular substrates shape the ecological role of heterotrophic prokaryotes in marine organic matter cycles. Here, we report a size-fractionated pattern in the expression of prokaryotic transporters throughout the oceanic water column due to taxonomic variations, revealed by a multi-"omics" approach targeting ATP-binding cassette (ABC) transporters and TonB-dependent transporters (TBDTs). Substrate specificity analyses showed that marine SAR11, Rhodobacterales, and Oceanospirillales use ABC transporters to take up organic nitrogenous compounds in the free-living fraction, while Alteromonadales, Bacteroidetes, and Sphingomonadales use TBDTs for carbon-rich organic matter and metal chelates on particles. The expression of transporter proteins also supports distinct lifestyles of deep-sea prokaryotes. Our results suggest that transporter divergency in organic matter assimilation reflects a pronounced niche separation in the prokaryote-mediated organic matter cycles.
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Registered trials
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