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ProteomicsColwellia psychrerythraea Cp34H 13C-Leucine uptake over 8 days at -5Celcius to track new protein synthesis at subzero temperatures
Colwellia psychrerythraea Cp34H 13C-Leucine uptake over 8 days at -5Celcius to track new protein synthesis at subzero temperatures Few halophilic strains have been examined in detail for their culturability and metabolic activity at subzero temperatures, within the ice matrix, over the longer term. ...
ORGANISM(S): Colwellia psychrerythraea Bacteria 
2025-01-17 | PXD059470 | Pride
Astrobiology Marine Stable isotope probing Artic Marine psychrophile Ocean Arctic 
ProteomicsSupercooled, subzero, high salinity incubations of Cp34H reveal long-term mitigation strategies and detectable (peptide) biomarkers for life on other icy worlds
Colwellia psychrerythraea is a marine psychrophilic bacterium known for its remarkable ability to maintain activity during long-term exposure to extreme subzero temperatures and correspondingly high salinities in sea ice. These microorganisms must have simultaneous adaptations to high salinity and l...
ORGANISM(S): Colwellia psychrerythraea 34H 
2022-02-16 | PXD022428 | Pride
Proteomics Cp34h Culturability Life detection Sea-ice Biomarkers Psychrophile Arctic Subzero 
ProteomicsProteomic Insights into Psychrophile Growth in Perchlorate-Amended Subzero Conditions: Implications for Martian Life Detection
Forty-five Colwellia psychrerythraea 34H (Cp34H) samples were individually prepared for mass spectrometry proteomics to identify proteomic effects of perchlorate oxy-ions and putative perchlorate-tolerant biosignatures. Cultures of Cp34H were grown in half-strength 2216 medium at -1°C to late log ph...
ORGANISM(S): Colwellia psychrerythraea 34H 
2025-02-14 | PXD050418 | Pride
Perchlorate Colwellia psychrerythraea 34h 
UnknownMetabolic Responses, Cell Recoverability, and Protein Signatures of Three Extremophiles: Sustained Life During Long-Term Subzero Incubations.
Not available
S-EPMC11858272 | biostudies-literature
UnknownSubzero, saline incubations of Colwellia psychrerythraea reveal strategies and biomarkers for sustained life in extreme icy environments.
Not available
S-EPMC8475265 | biostudies-literature
ProteomicsProteomics of Colwellia psychrerythraea grown at multiple subzero temperatures
The mechanisms that allow psychrophilic bacteria to remain metabolically active at subzero temperatures result from form and function of their proteins. We present first proteomic evidence of physiological changes of the marine psychrophile Colwellia psychrerythraea 34H (Cp34H) after exposure to sub...
ORGANISM(S): Colwellia psychrerythraea 34H 
2019-02-15 | PXD006274 | Pride
Alteromonadaceae/metabolism Dna repair Proteomics Adaptation physiological/genetics Nitrogen/metabolism Bacterial proteins/genetics Movement Iron/metabolism Colwellia pschrerythraea Bacterial proteins/metabolism Alteromonadaceae/genetics Cold temperature 
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