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Pseudomonas fragi
Scientific classification
Domain:	Bacteria
Phylum:	Pseudomonadota
Class:	Gammaproteobacteria
Order:	Pseudomonadales
Family:	Pseudomonadaceae
Genus:	Pseudomonas
Species:	P. fragi
Binomial name
Pseudomonas fragi (Eichholz 1902) Gruber 1905
Type strain
ATCC 4973 CCUG 556 CFBP 4556 CIP 55.4 DSM 3456 HAMBI 28 LMG 2191 NBRC 3458 NCCB 69033 NCTC 10689 NRRL B-25 and B-727 VKM B-898
Synonyms
Bacterium fragi Eichholz 1902

Pseudomonas fragi is a psychrophilic, Gram-negative bacterium that is responsible for dairy spoilage. Unlike many other members of the genus Pseudomonas, P. fragi does not produce siderophores. Optimal temperature for growth is 30 °C, however it can grow between 0 and 35 °C. Based on 16S rRNA analysis, P. fragi has been placed in the P. chlororaphis group.

References

1. Pereira, JN & Morgan, ME (Dec 1957). "Nutrition and physiology of Pseudomonas fragi". J Bacteriol. 74 (6): 710–3. PMC 289995. PMID 13502296.
2. Champomier-Verges MC, et al. (1996). "Acquisition of iron by the non-siderophore-producing Pseudomonas fragi". Microbiology. 142 (5): 1191–9. doi:10.1099/13500872-142-5-1191. PMID 8704960.
3. Hebraud, M., Dubois, E., Potier, P., & Labadie, J. (1994). Effect of growth temperatures on the protein levels in a psychrotrophic bacterium, Pseudomonas fragi. Journal of Bacteriology, 176(13), 4017–4024
4. Anzai; Kim, H; Park, JY; Wakabayashi, H; Oyaizu, H; et al. (Jul 2000). "Phylogenetic affiliation of the pseudomonads based on 16S rRNA sequence". Int J Syst Evol Microbiol. 50 (4): 1563–89. doi:10.1099/00207713-50-4-1563. PMID 10939664.

External links

• Type strain of Pseudomonas fragi at BacDive - the Bacterial Diversity Metadatabase

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