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Swedish University of Agricultural Sciences - Faculty of Veterinary Medicine and Animal Science| Species/Subspecies: | Pseudomonas fluorescens | ||||||||
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| Category: | Causes hemolysis | ||||||||
| Etymology: | Genus name: false unit Species epithet: refers to the fluorescence of the colonies under UV-light. | ||||||||
| Significance: | [Of minor importance] | ||||||||
| Taxonomy: | Class Gammaproteobacteria Order Pseudomonadales Family Pseudomonadaceae Genus Pseudomonas |
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| Type Strain: | ATCC 13525 = CCUG 1253 = NCTC 10038. | ||||||||
| Macromorphology (smell): | |||||||||
| Micromorphology: | Rod shaped | ||||||||
| Gram +/Gram -: | G- | ||||||||
| Metabolism: | Aerobic, but some strains are facultatively aerobic as they can utilize nitrate instead of oxygen, as a final electron acceptor in the respiratory chain. | ||||||||
| Catalase/Oxidase: | ?/+ | ||||||||
| Spec. Char.: | Optimal growth temperature is 25-30°C. | ||||||||
| Special Media: | |||||||||
| Reservoir: | Is an environmental bacterium that can be found in soil and water. | ||||||||
| Disease: | Fin rot in especialla aquaria and aqua culture. Fin rot can also be caused by a fungal infection. |
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| Hosts: | Fish and immunocompromised humans. | ||||||||
| Clinical Picture: | The fins of the fish turn brownish black and break apart. Then the fin base becomes inflamed and the whole fin may fall off. | ||||||||
| Virulence Factors: | If the concentration of iron is low in the environment, a green fluorescent pigment, pyoverdine, is produced. Pyoverdine is a so-called siderophore. | ||||||||
| Genome Sequence: |
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| 16S rRNA Seq.: |
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| Taxonomy/phylogeny: | |||||||||
| Comment: | A strain of P. fluorescence (Pf-CL145A) has been used to control invasive mussel species.
Milk contaminated by P. fluorescence becomes undrinkable. | ||||||||
| Updated: | 2023-03-29 |
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Swedish University of Agricultural Sciences - Faculty of Veterinary Medicine and Animal Science