ArticlePloS one2013
Poles apart: Arctic and Antarctic Octadecabacter strains share high genome plasticity and a new type of xanthorhodopsin.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed, 113 citations in OpenAlex.
- Differences in Prokaryotic Community Composition Between Two Climatically Contrasting Years in an Arctic Fjord Ecosystem.Environmental microbiology reports · 2026Article
- The microbiome of marine mat-forming cyanobacteria-a microcosm of taxonomic novelty and phototrophic diversity.ISME communications · 2026Article
- Light-harvesting by antenna-containing xanthorhodopsin from an Antarctic Pseudanabaenaceae cyanobacterium.Communications biology · 2025Article
- Ecogenomics and functional biogeography of the Roseobacter group in the global oceans based on 653 MAGs and SAGs.Microbiome · 2025Article
- Novel and diverse features identified in the genomes of bacteria isolated from a hydrothermal vent plume.Applied and environmental microbiology · 2025Article
- Actinorhodopsin: an efficient and robust light-driven proton pump for bionanotechnological applications.Scientific reports · 2025Article
- Functional characterization of xanthorhodopsin in Salinivibrio socompensis, a novel halophile isolated from modern stromatolites.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2023Article
- Rhodopsin-mediated nutrient uptake by cultivated photoheterotrophic Verrucomicrobiota.The ISME journal · 2023Article
- Article
- TCA cycle enhancement and uptake of monomeric substrates support growth of marine Roseobacter at low temperature.Communications biology · 2022Article
- From a large-scale genomic analysis of insertion sequences to insights into their regulatory roles in prokaryotes.BMC genomics · 2022Article
- PicR as a MarR Family Transcriptional Repressor Multiply Controls the Transcription of Picolinic Acid Degradation Gene ClusterApplied and environmental microbiology · 2022Article
- Carotenoid binding in Gloeobacteria rhodopsin provides insights into divergent evolution of xanthorhodopsin types.Communications biology · 2022Article
- Wintertime Simulations Induce Changes in the Structure, Diversity and Function of Antarctic Sea Ice-Associated Microbial Communities.Microorganisms · 2022Article
- Assessment of Hydrocarbon Degradation Potential in Microbial Communities in Arctic Sea Ice.Microorganisms · 2022Article
- Monitoring a changing Arctic: Recent advancements in the study of sea ice microbial communities.Ambio · 2022Article
- Novel Antarctic yeast adapts to cold by switching energy metabolism and increasing small RNA synthesis.The ISME journal · 2022Article
- MinION sequencing from sea ice cryoconites leads to de novo genome reconstruction from metagenomes.Scientific reports · 2021Article
- Identification of Biomolecules Involved in the Adaptation to the Environment of Cold-Loving Microorganisms and Metabolic Pathways for Their Production.Biomolecules · 2021Review
- Carbon fixation and rhodopsin systems in microbial mats from hypersaline lakes Brava and Tebenquiche, Salar de Atacama, Chile.PloS one · 2021Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genus Octadecabacter is a member of the ubiquitous marine Roseobacter clade. The two described species of this genus, Octadecabacter arcticus and Octadecabacter antarcticus, are psychrophilic and display a bipolar distribution. Here we provide the manually annotated and finished genome sequences of the type strains O. arcticus 238 and O. antarcticus 307, isolated from sea ice of the Arctic and Antarctic, respectively. Both genomes exhibit a high genome plasticity caused by an unusually high density and diversity of transposable elements. This could explain the discrepancy between the low genome synteny and high 16S rRNA gene sequence similarity between both strains. Numerous characteristic features were identified in the Octadecabacter genomes, which show indications of horizontal gene transfer and may represent specific adaptations to the habitats of the strains. These include a gene cluster encoding the synthesis and degradation of cyanophycin in O. arcticus 238, which is absent in O. antarcticus 307 and unique among the Roseobacter clade. Furthermore, genes representing a new subgroup of xanthorhodopsins as an adaptation to icy environments are present in both Octadecabacter strains. This new xanthorhodopsin subgroup differs from the previously characterized xanthorhodopsins of Salinibacter ruber and Gloeobacter violaceus in phylogeny, biogeography and the potential to bind 4-keto-carotenoids. Biochemical characterization of the Octadecabacter xanthorhodopsins revealed that they function as light-driven proton pumps.
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