ArticleExtremophiles : life under extreme conditions2013
An inter-order horizontal gene transfer event enables the catabolism of compatible solutes by Colwellia psychrerythraea 34H.
Article in Extremophiles : life under extreme conditions, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 41 citations in OpenAlex.
- Genomic signatures of cold adaptation in the family Colwelliaceae.Extremophiles : life under extreme conditions · 2024Article
- Resistance to freezing conditions of endemic Antarctic polychaetes is enhanced by cryoprotective proteins produced by their microbiome.Science advances · 2024Article
- Genomic basis of environmental adaptation in the widespread poly-extremophilic Exiguobacterium group.The ISME journal · 2024Article
- You Exude What You Eat: How Carbon-, Nitrogen-, and Sulfur-Rich Organic Substrates Shape Microbial Community Composition and the Dissolved Organic Matter Pool.Applied and environmental microbiology · 2022Article
- Evolutionary Divergence ofFrontiers in microbiology · 2022Article
- Thalassobacillus, a genus of extreme to moderate environmental halophiles with biotechnological potential.World journal of microbiology & biotechnology · 2021Review
- Subzero, saline incubations of Colwellia psychrerythraea reveal strategies and biomarkers for sustained life in extreme icy environments.Environmental microbiology · 2021Article
- Divergent Genomic Adaptations in the Microbiomes of Arctic Subzero Sea-Ice and Cryopeg Brines.Frontiers in microbiology · 2021Article
- Article
- Comparative genomics analysis of Nitriliruptoria reveals the genomic differences and salt adaptation strategies.Extremophiles : life under extreme conditions · 2020Article
- Sources and selection of snow-specific microbial communities in a Greenlandic sea ice snow cover.Scientific reports · 2019Article
- Reporting Key Features in Cold-Adapted Bacteria.Life (Basel, Switzerland) · 2018Review
- Biodegradation of Crude Oil and Corexit 9500 in Arctic Seawater.Frontiers in microbiology · 2018Article
- Microbial survival strategies in ancient permafrost: insights from metagenomics.The ISME journal · 2017Article
- Bacterial Community Structures in Freshwater Polar Environments of Svalbard.Microbes and environments · 2016Article
- Choline Catabolism in Burkholderia thailandensis Is Regulated by Multiple Glutamine Amidotransferase 1-Containing AraC Family Transcriptional Regulators.Journal of bacteriology · 2016Article
- Evidence for plasmid-mediated salt tolerance in the human gut microbiome and potential mechanisms.FEMS microbiology ecology · 2016Article
- Microbial ecology of the cryosphere: sea ice and glacial habitats.Nature reviews. Microbiology · 2015Review
- Extensive gene acquisition in the extremely psychrophilic bacterial species Psychroflexus torquis and the link to sea-ice ecosystem specialism.Genome biology and evolution · 2014Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Colwellia is a genus of mostly psychrophilic halophilic Gammaproteobacteria frequently isolated from polar marine sediments and sea ice. In exploring the capacity of Colwellia psychrerythraea 34H to survive and grow in the liquid brines of sea ice, we detected a duplicated 37 kbp genomic island in its genome based on the abnormally high G + C content. This island contains an operon encoding for heterotetrameric sarcosine oxidase and is located adjacent to several genes used in the serial demethylation of glycine betaine, a compatible solute commonly used for osmoregulation, to dimethylglycine, sarcosine, and glycine. Molecular clock inferences of important events in the adaptation of C. psychrerythraea 34H to compatible solute utilization reflect the geological evolution of the polar regions. Validating genomic predictions, C. psychrerythraea 34H was shown to grow on defined media containing either choline or glycine betaine, and on a medium with sarcosine as the sole organic source of carbon and nitrogen. Growth by 8 of 9 tested Colwellia species on a newly developed sarcosine-based defined medium suggested that the ability to catabolize glycine betaine (the catabolic precursor of sarcosine) is likely widespread in the genus Colwellia. This capacity likely provides a selective advantage to Colwellia species in cold, salty environments like sea ice, and may have contributed to the ability of Colwellia to invade these extreme niches.
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