ArticleMicrobial ecology2015
Microbial Consortium Associated with the Antarctic Marine Ciliate Euplotes focardii: An Investigation from Genomic Sequences.
Article in Microbial ecology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 41 citations in OpenAlex.
- Molecular adaptations and engineering of extremophiles for synthetic biology and biotechnological applications.Frontiers in microbiology · 2026Review
- Cellulose and Cellulose Synthase in a MarineMarine drugs · 2025Article
- Synthesis of Bioactive Nickel Nanoparticles Using Bacterial Strains from an Antarctic Consortium.Marine drugs · 2024Article
- Bipolar Biogeographical Distribution of Parafrancisella Bacteria Carried by the Ciliate Euplotes.Microbial ecology · 2023Article
- Hydrocarbon degradation strategy and pyoverdine production using the salt tolerant Antarctic bacteriumRSC advances · 2023Article
- Comprehensive insights on environmental adaptation strategies in Antarctic bacteria and biotechnological applications of cold adapted molecules.Frontiers in microbiology · 2023Review
- Synthesis of Bioactive Silver Nanoparticles Using New Bacterial Strains from an Antarctic Consortium.Marine drugs · 2022Article
- Article
- Wintertime Simulations Induce Changes in the Structure, Diversity and Function of Antarctic Sea Ice-Associated Microbial Communities.Microorganisms · 2022Article
- An Interplay between Viruses and Bacteria Associated with the White Sea Sponges Revealed by Metagenomics.Life (Basel, Switzerland) · 2021Article
- The macronuclear genome of the Antarctic psychrophilic marine ciliate Euplotes focardii reveals new insights on molecular cold adaptation.Scientific reports · 2021Article
- Article
- An In-Silico Comparative Study of Lipases from the Antarctic Psychrophilic CiliateMarine drugs · 2021Article
- Endolysins from AntarcticMarine drugs · 2020Article
- Horizontal gene transfer and silver nanoparticles production in a new Marinomonas strain isolated from the Antarctic psychrophilic ciliate Euplotes focardii.Scientific reports · 2020Article
- Synthesis of Bioactive Silver Nanoparticles by aMarine drugs · 2020Article
- Draft Genome Sequence of a New Pseudomonas sp. Strain, ef1, Associated with the Psychrophilic Antarctic Ciliate Euplotes focardii.Microbiology resource announcements · 2019Article
- The core microbiome of sessile ciliate Stentor coeruleus is not shaped by the environment.Scientific reports · 2019Article
- High-Throughput Sequencing of the 16S rRNA Gene as a Survey to Analyze the Microbiomes of Free-Living Ciliates Paramecium.Microbial ecology · 2019Article
- A New Species of the γ-Proteobacterium Francisella, F. adeliensis Sp. Nov., Endocytobiont in an Antarctic Marine Ciliate and Potential Evolutionary Forerunner of Pathogenic Species.Microbial ecology · 2019Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report the characterization of the bacterial consortium associated to Euplotes focardii, a strictly psychrophilic marine ciliate that was maintained in laboratory cultures at 4 °C after its first isolation from Terra Nova Bay, in Antarctica. By Illumina genome analyser, we obtained 11,179 contigs of potential prokaryotic origin and classified them according to the NCBI's prokaryotic attributes table. The majority of these sequences correspond to either Bacteroidetes (16 %) or Proteobacteria (78 %). The latter were dominated by gamma- (39 %, including sequences related to the pathogenic genus Francisella), and alpha-proteobacterial (30 %) sequences. Analysis of the Pfam domain family and Gene Ontology term variation revealed that the most frequent terms that appear unique to this consortium correspond to proteins involved in "transmembrane transporter activity" and "oxidoreductase activity". Furthermore, we identified genes that encode for enzymes involved in the catabolism of complex substance for energy reserves. We also characterized members of the transposase and integrase superfamilies, whose role in bacterial evolution is well documented, as well as putative antifreeze proteins. Antibiotic treatments of E. focardii cultures delayed the cell division of the ciliate. To conclude, our results indicate that this consortium is largely represented by bacteria derived from the original Antarctic sample and may contribute to the survival of E. focardii in laboratory condition. Furthermore, our results suggest that these bacteria may have a more general role in E. focardii survival in its natural cold and oxidative environment.
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