ArticleThe ISME journal2015
Niches of two polysaccharide-degrading Polaribacter isolates from the North Sea during a spring diatom bloom.
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 98 papers.
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98 citing papers in PubMed, 234 citations in OpenAlex.
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- Autochthonous and Allochthonous Gut Microbes May Work Together: Functional Insights from Farmed Gilthead Sea Bream (Animals : an open access journal from MDPI · 2026Article
- Viral lysis accelerates microbial succession patterns resembling diatom senescence.The ISME journal · 2026Article
- Hypoxia increases microbial carbon assimilation of taurine in a seasonally anoxic fjord.The ISME journal · 2026Article
- Christiangramia qingdaonensis sp. nov., a novel polysaccharide-degrading Bacteroidota bacterium, isolated from intertidal sediment.Antonie van Leeuwenhoek · 2026Article
- Multi-omics analysis reveals the pathobiome-host interactions in the bleaching disease of the seaweed Saccharina japonica.Microbiome · 2025Article
- Dietary Green Tea Enhances the Growth, Antioxidant Capacity, and Abundance of Beneficial Intestinal Flora of Grass Carp (Animals : an open access journal from MDPI · 2025Article
- Aging Enhances the Ecotoxicological Effects of Biobased Microplastic Poly(Lactic Acid) and Its Adsorbed Tris(1-chloro-2-propyl)phosphate on Mussels.Environment & health (Washington, D.C.) · 2025Article
- Isolation and characterization of Polaribacter sargassicola sp. nov. and Algibacter ulvanivorans sp. nov.: two novel species with ability to degrade algal polysaccharides.Antonie van Leeuwenhoek · 2025Article
- Cold-Adapted Lipid A from Polaribacter sp. SM1127: A Study of Structural Heterogeneity and Immunostimulatory Properties.Chembiochem : a European journal of chemical biology · 2025Article
- Microbial metabolism in laboratory reared marine snow as revealed by a multi-omics approach.Microbiome · 2025Article
- FISH-FACS proteomics: enhanced label-free quantitative proteome analysis from low cell numbers of uncultured environmental microorganisms.ISME communications · 2025Article
- Effect of plastic and seaweed shelters on the skin microbiome of lumpfish Cyclopterus lumpus used as cleaner fish in aquaculture pens.PloS one · 2025Article
- Article
- Metatranscriptomic response of deep ocean microbial populations to infusions of oil and/or synthetic chemical dispersant.Applied and environmental microbiology · 2024Article
- Differential association of key bacterial groups with diatoms and Phaeocystis spp. during spring blooms in the Southern Ocean.MicrobiologyOpen · 2024Article
- Low-level resource partitioning supports coexistence among functionally redundant bacteria during successional dynamics.The ISME journal · 2024Article
- High Arctic seawater and coastal soil microbiome co-occurrence and composition structure and their potential hydrocarbon biodegradation.ISME communications · 2024Article
38 more citing papers are in PubMed but not listed here.
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12 authors at 6 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Members of the flavobacterial genus Polaribacter thrive in response to North Sea spring phytoplankton blooms. We analyzed two respective Polaribacter species by whole genome sequencing, comparative genomics, substrate tests and proteomics. Both can degrade algal polysaccharides but occupy distinct niches. The liquid culture isolate Polaribacter sp. strain Hel1_33_49 has a 3.0-Mbp genome with an overall peptidase:CAZyme ratio of 1.37, four putative polysaccharide utilization loci (PULs) and features proteorhodopsin, whereas the agar plate isolate Polaribacter sp. strain Hel1_85 has a 3.9-Mbp genome with an even peptidase:CAZyme ratio, eight PULs, a mannitol dehydrogenase for decomposing algal mannitol-capped polysaccharides but no proteorhodopsin. Unlike other sequenced Polaribacter species, both isolates have larger sulfatase-rich PULs, supporting earlier assumptions that Polaribacter take part in the decomposition of sulfated polysaccharides. Both strains grow on algal laminarin and the sulfated polysaccharide chondroitin sulfate. For strain Hel1_33_49, we identified by proteomics (i) a laminarin-induced PUL, (ii) chondroitin sulfate-induced CAZymes and (iii) a chondroitin-induced operon that likely enables chondroitin sulfate recognition. These and other data suggest that strain Hel1_33_49 is a planktonic flavobacterium feeding on proteins and a small subset of algal polysaccharides, while the more versatile strain Hel1_85 can decompose a broader spectrum of polysaccharides and likely associates with algae.
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