ArticleThe ISME journal2022
Verrucomicrobiota are specialist consumers of sulfated methyl pentoses during diatom blooms.
Article in The ISME journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers.
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88 citing papers in PubMed, 180 citations in OpenAlex.
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- Lotipaludicoccus stagni gen. nov., sp. nov., within the Family Opitutaceae, Isolated from a Lotus Wetland.Current microbiology · 2025Article
- Advances and Hotspots in Research on Verrucomicrobiota: Focus on Agroecosystems.Microbial ecology · 2025Review
- Multi-Niche Microbiota of a Desert-Adapted Lizard: 16S rRNA Profiling ofAnimals : an open access journal from MDPI · 2025Article
- Sesame Meal: The Ideal Alternative to Soybean Meal for Fattening Beef Cattle-Reducing Nitrogen Excretion and Bolstering Antioxidant Defenses.Antioxidants (Basel, Switzerland) · 2025Article
- Antibiotic stress-induced hormesis in phytoplankton and bacteria through their mutual cooperation.Science advances · 2025Article
- Article
28 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Marine algae annually sequester petagrams of carbon dioxide into polysaccharides, which are a central metabolic fuel for marine carbon cycling. Diatom microalgae produce sulfated polysaccharides containing methyl pentoses that are challenging to degrade for bacteria compared to other monomers, implicating these sugars as a potential carbon sink. Free-living bacteria occurring in phytoplankton blooms that specialise on consuming microalgal sugars, containing fucose and rhamnose remain unknown. Here, genomic and proteomic data indicate that small, coccoid, free-living Verrucomicrobiota specialise in fucose and rhamnose consumption during spring algal blooms in the North Sea. Verrucomicrobiota cell abundance was coupled with the algae bloom onset and accounted for up to 8% of the bacterioplankton. Glycoside hydrolases, sulfatases, and bacterial microcompartments, critical proteins for the consumption of fucosylated and sulfated polysaccharides, were actively expressed during consecutive spring bloom events. These specialised pathways were assigned to novel and discrete candidate species of the Akkermansiaceae and Puniceicoccaceae families, which we here describe as Candidatus Mariakkermansia forsetii and Candidatus Fucivorax forsetii. Moreover, our results suggest specialised metabolic pathways could determine the fate of complex polysaccharides consumed during algae blooms. Thus the sequestration of phytoplankton organic matter via methyl pentose sugars likely depend on the activity of specialised Verrucomicrobiota populations.
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