ArticleExtremophiles : life under extreme conditions2013
Genomic analysis of cold-active Colwelliaphage 9A and psychrophilic phage-host interactions.
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 18 papers.
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18 citing papers in PubMed, 59 citations in OpenAlex.
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- Breaking the Ice: A Review of Phages in Polar Ecosystems.Methods in molecular biology (Clifton, N.J.) · 2024Review
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- Genome Study of a Novel Virulent Phage vB_SspS_KASIA and Mu-like Prophages ofInternational journal of molecular sciences · 2021Article
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- Psychrophiles: A journey of hope.Journal of biosciences · 2021Review
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- Complete genomic sequence of bacteriophage P23: a novel Vibrio phage isolated from the Yellow Sea, China.Virus genes · 2019Article
- Model metabolic strategy for heterotrophic bacteria in the cold ocean based onProceedings of the National Academy of Sciences of the United States of America · 2018Article
- Isolation and Complete Genome Sequence of a Novel Pseudoalteromonas Phage PH357 from the Yangtze River Estuary.Current microbiology · 2017Article
- Viral Induced Microbial Mortality in Arctic Hypersaline Spring Sediments.Frontiers in microbiology · 2016Article
- Microbial ecology of the cryosphere: sea ice and glacial habitats.Nature reviews. Microbiology · 2015Review
- Isolation and characterization of glacier VMY22, a novel lytic cold-active bacteriophage of Bacillus cereus.Virologica Sinica · 2015Article
- Isolation and characterization of phage-host systems from the Baltic Sea ice.Extremophiles : life under extreme conditions · 2014Article
- An inter-order horizontal gene transfer event enables the catabolism of compatible solutes by Colwellia psychrerythraea 34H.Extremophiles : life under extreme conditions · 2013Article
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2 authors at 1 institution in 1 country.
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Abstract
The 104 kb genome of cold-active bacteriophage 9A, which replicates in the marine psychrophilic gamma-proteobacterium Colwellia psychrerythraea strain 34H (between -12 and 8 °C), was sequenced and analyzed to investigate elements of molecular adaptation to low temperature and phage-host interactions in the cold. Most characterized ORFs indicated closest similarity to gamma-proteobacteria and their phages, though no single module provided definitive phylogenetic grouping. A subset of primary structural features linked to psychrophily suggested that the majority of annotated phage proteins were not psychrophilic; those that were, primarily serve phage-specific functions and may also contribute to 9A's restricted temperature range for replication as compared to host. Comparative analyses suggest ribonucleotide reductase genes were acquired laterally from host. Neither restriction modification nor the CRISPR-Cas system appeared to be the predominant phage defense mechanism of Cp34H or other cold-adapted bacteria; we hypothesize that psychrophilic hosts rely more on the use of extracellular polymeric material to block cell surface receptors recognized by phages. The relative dearth of evidence for genome-specific defenses, genetic transfer events or auxiliary metabolic genes suggest that the 9A-Cp34H system may be less tightly coupled than are other genomically characterized marine phage-host systems, with possible implications for phage specificity under different environmental conditions.
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