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Psychrobacter arcticus
Scientific classification
Domain:	Bacteria
Phylum:	Pseudomonadota
Class:	Gammaproteobacteria
Order:	Pseudomonadales
Family:	Moraxellaceae
Genus:	Psychrobacter
Species:	P. arcticus
Binomial name
Psychrobacter arcticus Bakermans et al. 2007

Psychrobacter arcticus is a Gram-negative, nonmotile species of bacteria first isolated from Siberian permafrost. Its type strain is 273-4 (=DSM 17307 =VKM B-2377).

Hypoacylated lipopolysaccharide (LPS) from P. arcticus induces weak TLR4-mediated inflammatory response in macrophages and such LPS bioactivity may potentially result in the failure of local and systemic bacterial clearance in patients.

References

1. ^ Bakermans, C. (2006). "Psychrobacter cryohalolentis sp. nov. and Psychrobacter arcticus sp. nov., isolated from Siberian permafrost". International Journal of Systematic and Evolutionary Microbiology. 56 (6): 1285–1291. doi:10.1099/ijs.0.64043-0. ISSN 1466-5026. PMID 16738105.
2. Korneev, KV; Kondakova, AN; Arbatsky, NP; Novototskaya-Vlasova, KA; Rivkina, EM; Anisimov, AP; Kruglov, AA; Kuprash, DV; Nedospasov, SA; Knirel, YA; Drutskaya, MS (December 2014). "Distinct biological activity of lipopolysaccharides with different lipid A acylation status from mutant strains of Yersinia pestis and some members of genus Psychrobacter". Biochemistry. Biokhimiia. 79 (12): 1333–8. doi:10.1134/S0006297914120062. PMID 25716726. S2CID 2948187.

Further reading

• Whitman, William B., et al., eds. Bergey's manual® of systematic bacteriology. Vol. 5. Springer, 2012.
• Dworkin, Martin, and Stanley Falkow, eds. The Prokaryotes: Vol. 6: Proteobacteria: Gamma Subclass. Vol. 6. Springer, 2006.
• Bowman, John P. (2006). "The Genus Psychrobacter". The Prokaryotes: 920–930. doi:10.1007/0-387-30746-X_35. ISBN 978-0-387-25496-8.
• Ayala-del-Rio, H. L.; Chain, P. S.; Grzymski, J. J.; Ponder, M. A.; Ivanova, N.; Bergholz, P. W.; Di Bartolo, G.; Hauser, L.; Land, M.; Bakermans, C.; Rodrigues, D.; Klappenbach, J.; Zarka, D.; Larimer, F.; Richardson, P.; Murray, A.; Thomashow, M.; Tiedje, J. M. (2010). "The Genome Sequence of Psychrobacter arcticus 273-4, a Psychroactive Siberian Permafrost Bacterium, Reveals Mechanisms for Adaptation to Low-Temperature Growth". Applied and Environmental Microbiology. 76 (7): 2304–2312. doi:10.1128/AEM.02101-09. ISSN 0099-2240. PMC 2849256. PMID 20154119.
• Bergholz, P. W.; Bakermans, C.; Tiedje, J. M. (2009). "Psychrobacter arcticus 273-4 Uses Resource Efficiency and Molecular Motion Adaptations for Subzero Temperature Growth". Journal of Bacteriology. 191 (7): 2340–2352. doi:10.1128/JB.01377-08. ISSN 0021-9193. PMC 2655517. PMID 19168616.
• Ponder, Monica A.; Thomashow, Michael F.; Tiedje, James M. (2008). "Metabolic activity of Siberian permafrost isolates, Psychrobacter arcticus and Exiguobacterium sibiricum, at low water activities". Extremophiles. 12 (4): 481–490. doi:10.1007/s00792-008-0151-0. ISSN 1431-0651. PMID 18335164. S2CID 8536734.

External links

• LPSN
• "Psychrobacter arcticus". The Encyclopedia of Life.
• Type strain of Psychrobacter arcticus at BacDive - the Bacterial Diversity Metadatabase

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• Moraxellaceae
• Bacteria described in 2007
• Pseudomonadales stubs