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Klebsiella oxytoca: Wikis


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Klebsiella oxytoca
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gamma Proteobacteria
Order: Enterobacteriales
Family: Enterobacteriaceae
Genus: Klebsiella
Species: K. oxytoca
Binomial name
Klebsiella oxytoca
(Flügge 1886)
Lautrop 1956

Klebsiella oxytoca is a Gram-negative, rod-shaped bacterium that is closely related to K. pneumoniae, from which it is distinguished by being indole-positive; it also has slightly different growth characteristics in that it is able to grow on melezitose, but not 3-hydroxybutyrate.


Industrial uses

K. oxytoca has shown promise in industrial ethanol fuel production.[1] K.oxytoca is characterized by negative methyl red, positive VP, positive citrate, urea and TSI gas production, is AA, and negative for TSI sulfide, DNAse, SIM motility and PAD.

K. oxytoca is referenced as being used to produce hydrogen in patents filed by Nanologix, Inc.

Clinical significance

It can cause colitis.[2]


  1. ^ Dien B, Cotta M, Jeffries T (2003). "Bacteria engineered for fuel ethanol production: current status". Appl Microbiol Biotechnol 63 (3): 258–66. doi:10.1007/s00253-003-1444-y. PMID 13680206.  
  2. ^ Högenauer C, Langner C, Beubler E, et al (December 2006). "Klebsiella oxytoca as a causative organism of antibiotic-associated hemorrhagic colitis". N. Engl. J. Med. 355 (23): 2418–26. doi:10.1056/NEJMoa054765. PMID 17151365.  

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