Methylobacterium fujisawaense

Methylobacterium fujisawaense is a facultatively anaerobic, Gram-negative, rod-shaped bacteria. It is catalase-positive and oxidase-negative. It produces pink-pigment on microbiological agar media (TSA and R2A, etc.). This bacteria is facultatively methylotrophic and is widely distributed in nature. They can be isolated from soil and on occasion freshwater environments, including drinking water.[1]

Methylobacterium fujisawaense
Gram stain of Methylobacterium fujisawaense appear as negative rods under bright-field microscopy ×1000.
Scientific classification
Kingdom:
Bacteria
Phylum:
Proteobacteria
Class:
Alphaproteobacteria
Order:
Rhizobiales
Family:
Methylobacteriaceae
Genus:
Methylobacterium
Species:
M. fujisawaense
Binomial name
Methylobacterium fujisawaense
Green et al., 1988
Methylobacterium fujisawaense pink-pigmented bacterial colonies growing on R2A after 5 days of incubation at 30° Celsius (front view).
Methylobacterium fujisawaense pink-pigmented bacterial colonies growing on R2A after 5 days of incubation at 30° Celsius (reverse view).

Commonly, M. fujisawaense bacteria is not established as pathogenic; however, rarely it may cause human infection/disease, mostly in immunocompromised patients.[2]

References
  1. http://ijs.sgmjournals.org/content/55/1/281.full
  2. Fanci, Rosa; Corti, Giampaolo; Bartoloni, Alessandro; Tortoli, Enrico; Mariottini, Alessandro; Pecile, Patrizia (2010). "Unusual Methylobacterium fujisawaense Infection in a Patient with Acute Leukaemia Undergoing Hematopoietic Stem Cell Transplantation: First Case Report". Case Reports in Medicine. 2010: 1–3. doi:10.1155/2010/313514. PMC 2852599. PMID 20396386.


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