Pseudomonas fragi

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Pseudomonas fragi
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gamma Proteobacteria
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
LMG 2191
NBRC 3458
NCCB 69033
NCTC 10689
NRRL B-25 and B-727
VKM B-898


Bacterium fragi Eichholz 1902

Pseudomonas fragi is a psychrophilic, Gram-negative bacterium that is responsible for dairy spoilage.[1] Unlike many other members of the Pseudomonas genus, P. fragi does not produce siderophores.[2] Based on 16S rRNA analysis, P. fragi has been placed in the P. chlororaphis group.[3]


  1. ^ Pereira, JN, and 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. ^ 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.