Morganella
RANK: Genus
TAXONOMY: cellular organisms -> Bacteria -> Proteobacteria -> Gammaproteobacteria -> Enterobacteriales -> Enterobacteriaceae -> Morganella
OVERVIEW:
Straight rods, 0.6–0.7 × 1.0–1.7 µm. Gram negative. Motile by means of peritrichous flagella. Facultatively anaerobic. Oxidative deamination of various amino acids including l-phenylalanine and l-tryptophan (Singer and Volcani, 1955). Urease positive. Indole positive (Penner, 1984). Relatively few carbohydrates fermented. Ornithine decarboxylase positive. Acid produced from d-mannose but not d-xylose. Gelatin not degraded. The genus Morganella presently resides in the class Gammaproteobacteria in the family Enterobacteriaceae, based upon DNA hybridization data and not rDNA sequencing (Stackebrandt et al., 1988). 16S rDNA sequence data are presently unavailable.The mol% G + C of the DNA is: 50 (Falkow et al., 1962).Type species: Morganella morganii
This genus contains microbial species that can reside in the human gastrointestinal tract. [PMC 4262072]
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