Psychrobacter | |
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Scientific classification ![]() | |
Domain: | Bacteria |
Kingdom: | Pseudomonadati |
Phylum: | Pseudomonadota |
Class: | Gammaproteobacteria |
Order: | Pseudomonadales |
Family: | Moraxellaceae |
Genus: | Psychrobacter Juni and Heym 1986 [1] |
Type species | |
Psychrobacter immobilis | |
Species | |
See text. |
Psychrobacter is a genus of Gram-negative, osmotolerant, oxidase-positive, psychrophilic or psychrotolerant, aerobic bacteria which belong to the family Moraxellaceae and the class Gammaproteobacteria. [1] [2] [3] [4] The shape is typically cocci or coccobacilli. [5] Some of those bacteria were isolated from humans and can cause humans infections such as endocarditis and peritonitis. [6] [7] This genus of bacteria is able to grow at temperatures between −10 and 42 °C. [8] Rudi Rossau found through DNA-rRNA hybridization analysis that Psychrobacter belongs to the Moraxellaceae. [9] The first species ( Psychrobacter immobilis ) was described by Juni and Heym. [10] Psychrobacter occur in wide range of moist, cold saline habitats, [8] [11] but they also occur in warm and slightly saline habitats. [4] [12]
Hypoacylated lipopolysaccharide (LPS) isolated from Psychrobacter cryohalolentis and Psychrobacter arcticus induces moderate TLR4-mediated inflammatory response in macrophages and such LPS bioactivity may potentially result in the failure of local and systemic bacterial clearance in patients. [13]
Species include: [1]