ArticleScientific reports2019
Taxonomic and functional characterization of a microbial community from a volcanic englacial ecosystem in Deception Island, Antarctica.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed.
- Microbial communities and biomineralization potential within mountain permafrost of the Devaux ice cave in the Central Pyrenees.Scientific reports · 2026Article
- Proteomic characterization ofFrontiers in microbiology · 2026Article
- Microbial diversity in Pyrenean ice caves: extreme cryogenic environments as analogues for extraterrestrial habitability.FEMS microbes · 2026Article
- Bipolar investigation of near-surface glacial ice reveals an active microbial ecosystem driven by photosynthesis and chemolithoautotrophy.ISME communications · 2026Article
- Organic farming systems improve soil quality and shape microbial communities across a cotton-based crop rotation in an Indian Vertisol.FEMS microbiology ecology · 2024Article
- Exploring the influence of deposit mineral composition on biofilm communities in oil and gas systems.Frontiers in microbiology · 2024Article
- Article
- Adaptation of the Endolithic Biome in Antarctic Volcanic Rocks.International journal of molecular sciences · 2023Article
- Glacial Water: A Dynamic Microbial Medium.Microorganisms · 2023Review
- Structure and Function Analysis of CultivatedBiology · 2023Article
- The hidden microbial ecosystem in the perennial ice from a Pyrenean ice cave.Frontiers in microbiology · 2023Article
- Microbial Community Composition of the Antarctic Ecosystems: Review of the Bacteria, Fungi, and Archaea Identified through an NGS-Based Metagenomics Approach.Life (Basel, Switzerland) · 2022Review
- Abiotic Stress and Belowground Microbiome: The Potential of Omics Approaches.International journal of molecular sciences · 2022Review
- Mining for novel cyclomaltodextrin glucanotransferases unravels the carbohydrate metabolism pathway via cyclodextrins in Thermoanaerobacterales.Scientific reports · 2022Article
- Microbial Communities in Volcanic Glacier Ecosystems.Frontiers in microbiology · 2022Article
- Plant-Microbe Interaction: Aboveground to Belowground, from the Good to the Bad.International journal of molecular sciences · 2021Review
- Identification of Biomolecules Involved in the Adaptation to the Environment of Cold-Loving Microorganisms and Metabolic Pathways for Their Production.Biomolecules · 2021Review
- Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica.Microorganisms · 2021Article
- Microbial Community Structure Driven by a Volcanic Gradient in Glaciers of the Antarctic Archipelago South Shetland.Microorganisms · 2021Article
- Glacial Ice Age Shapes Microbiome Composition in a Receding Southern European Glacier.Frontiers in microbiology · 2021Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glaciers are populated by a large number of microorganisms including bacteria, archaea and microeukaryotes. Several factors such as solar radiation, nutrient availability and water content greatly determine the diversity and abundance of these microbial populations, the type of metabolism and the biogeochemical cycles. Three ecosystems can be differentiated in glaciers: supraglacial, subglacial and englacial ecosystems. Firstly, the supraglacial ecosystem, sunlit and oxygenated, is predominantly populated by photoautotrophic microorganisms. Secondly, the subglacial ecosystem contains a majority of chemoautotrophs that are fed on the mineral salts of the rocks and basal soil. Lastly, the englacial ecosystem is the least studied and the one that contains the smallest number of microorganisms. However, these unknown englacial microorganisms establish a food web and appear to have an active metabolism. In order to study their metabolic potentials, samples of englacial ice were taken from an Antarctic glacier. Microorganisms were analyzed by a polyphasic approach that combines a set of -omic techniques: 16S rRNA sequencing, culturomics and metaproteomics. This combination provides key information about diversity and functions of microbial populations, especially in rare habitats. Several whole essential proteins and enzymes related to metabolism and energy production, recombination and translation were found that demonstrate the existence of cellular activity at subzero temperatures. In this way it is shown that the englacial microorganisms are not quiescent, but that they maintain an active metabolism and play an important role in the glacial microbial community.
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