ArticleThe ISME journal2018
Identifying metabolic pathways for production of extracellular polymeric substances by the diatom Fragilariopsis cylindrus inhabiting sea ice.
Article in The ISME journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 65 citations in OpenAlex.
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- Unraveling the Complex Planktonic Microbial Community in the Amundsen Sea, Southern Ocean.Microbial ecology · 2026Article
- Diatom-Derived Biochemicals: An In-Depth Analysis of Polysaccharides, Extraction Methodologies, and Diverse Applications.Applied biochemistry and biotechnology · 2026Review
- Ice gliding diatoms establish record-low temperature limits for motility in a eukaryotic cell.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Gene duplication and functional divergence of new genes contributed to the polar acclimation of Antarctic green algae.Marine life science & technology · 2023Article
- The role of zinc in the adaptive evolution of polar phytoplankton.Nature ecology & evolution · 2022Article
- Diatoms and Their Microbiomes in Complex and Changing Polar Oceans.Frontiers in microbiology · 2022Review
- Use of organic exudates from two polar diatoms by bacterial isolates from the Arctic Ocean.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Article
- Differences in the Formation Mechanism of Giant Colonies in TwoInternational journal of molecular sciences · 2020Article
- Anti-Fouling Effects of Saponin-Containing Crude Extracts from Tropical Indo-Pacific Sea Cucumbers.Marine drugs · 2020Article
- Metabolic activity analyses demonstrate that Lokiarchaeon exhibits homoacetogenesis in sulfidic marine sediments.Nature microbiology · 2020Article
- ElevatedFrontiers in microbiology · 2020Article
- Metagenomic Insights into the Effects of Seasonal Temperature Variation on the Activities of Activated Sludge.Microorganisms · 2019Article
- A red tide in the pack ice of the Arctic Ocean.Scientific reports · 2019Article
- Photosynthesis and Respiration of Baltic Sea Benthic Diatoms to Changing Environmental Conditions and Growth Responses of Selected Species as Affected by an Adjacent Peatland (Hütelmoor).Frontiers in microbiology · 2019Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Diatoms are significant primary producers in sea ice, an ephemeral habitat with steep vertical gradients of temperature and salinity characterizing the ice matrix environment. To cope with the variable and challenging conditions, sea ice diatoms produce polysaccharide-rich extracellular polymeric substances (EPS) that play important roles in adhesion, cell protection, ligand binding and as organic carbon sources. Significant differences in EPS concentrations and chemical composition corresponding to temperature and salinity gradients were present in sea ice from the Weddell Sea and Eastern Antarctic regions of the Southern Ocean. To reconstruct the first metabolic pathway for EPS production in diatoms, we exposed Fragilariopsis cylindrus, a key bi-polar diatom species, to simulated sea ice formation. Transcriptome profiling under varying conditions of EPS production identified a significant number of genes and divergent alleles. Their complex differential expression patterns under simulated sea ice formation was aligned with physiological and biochemical properties of the cells, and with field measurements of sea ice EPS characteristics. Thus, the molecular complexity of the EPS pathway suggests metabolic plasticity in F. cylindrus is required to cope with the challenging conditions of the highly variable and extreme sea ice habitat.
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