ArticleNature communications2024
Alpha-glucans from bacterial necromass indicate an intra-population loop within the marine carbon cycle.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Sustained algal-bacterial interactions promote accumulation of recalcitrant particulate carbon with accelerated radiocarbon aging signatures.Nature communications · 2026Article
- Ghost-rocks' microbiota: metagenomic insights into their influence on the biogeochemistry of karstic cave and groundwater.FEMS microbiology ecology · 2026Article
- Phytoplankton dynamics shape bacterioplankton community structure and metabolism during the austral summer-autumn transition in the Western Antarctic Peninsula.FEMS microbiology ecology · 2026Article
- Bacterial necromass recycling promotes diversity maintenance in bacterial communities via resource partitioning.Nature ecology & evolution · 2026Article
- WTeBiomedical optics express · 2026Article
- Polysaccharide Utilization and Adhesion Enable the Genome-StreamlinedMicroorganisms · 2026Article
- Laser-modulated MnBiAnalytical and bioanalytical chemistry · 2025Article
- Metaproteomic Dataset on Semi-Diurnal Variability of the Bacterioplankton Communities During a Spring Phytoplankton Bloom in the North Sea.Proteomics · 2025Article
- Dynamics of microbial communities in Western Antarctic Peninsula waters shaped primarily by the biological interactions.Frontiers in microbiology · 2025Article
- FISH-FACS proteomics: enhanced label-free quantitative proteome analysis from low cell numbers of uncultured environmental microorganisms.ISME communications · 2025Article
- Production ofFrontiers in bioengineering and biotechnology · 2025Article
- Internal carbon recycling by heterotrophic prokaryotes compensates for mismatches between phytoplankton production and heterotrophic consumption.The ISME journal · 2024Article
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Authors and funding
23 authors.
Funding
Abstract
Phytoplankton blooms provoke bacterioplankton blooms, from which bacterial biomass (necromass) is released via increased zooplankton grazing and viral lysis. While bacterial consumption of algal biomass during blooms is well-studied, little is known about the concurrent recycling of these substantial amounts of bacterial necromass. We demonstrate that bacterial biomass, such as bacterial alpha-glucan storage polysaccharides, generated from the consumption of algal organic matter, is reused and thus itself a major bacterial carbon source in vitro and during a diatom-dominated bloom. We highlight conserved enzymes and binding proteins of dominant bloom-responder clades that are presumably involved in the recycling of bacterial alpha-glucan by members of the bacterial community. We furthermore demonstrate that the corresponding protein machineries can be specifically induced by extracted alpha-glucan-rich bacterial polysaccharide extracts. This recycling of bacterial necromass likely constitutes a large-scale intra-population energy conservation mechanism that keeps substantial amounts of carbon in a dedicated part of the microbial loop.
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