Muribacter muris
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Muribacter, Muribacter
muris
Nicklas et al. 2015, comb. nov. , type species of the genus.

Synonyms:
Streptobacillus moniliformis, Bisgaard taxon 12, Actinobacillus muris
Bisgaard 1988.
Gram-negative cells, nonmotile, rod-shaped.
Colonies are circular, low convex and regular with an entire margin; the surface of the
colonies is smooth, shiny, grayish and opaque 1.5-2.0 mm in diameter after 24 h and
3.5-4.0 mm after 48 h at 37 ºC. Hemolysis is
usually negative.  Some phenotypes
show a weak haemolysis or CAMP reaction
X- and V-factors-independent. Growth on
Mac Conkey agar is negative.
Is a normal component of the oropharyngeal and genital tract flora of laboratory white mice.
  1. Olsen I., Moller K., 2004. Genus II. Actinobacillus. In: Bergey’s Manual of Systematic Bacteriology, Second edition, Vol two, part B,
    George M. Garrity (Editor-in-Chief), pp. 866-883.
  2. W.M. Janda, R. Mutters, 2006. Pasteurella, Mannheimia, Actinobacillus, Eikenella, Kingella, Capnocytophaga, and other
    miscellaneous Gram-negative rods. In: Topley & Wilson’s Microbiology and Microbial Infections, 10 edition, Vol. 2, Bacteriology,
    Edward Arnold Ltd.
  3. J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 3. Family Pasteurellaceae. In: Begey’s Manual of
    Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 194-196.
  4. Nicklas, W., Bisgaard, M., Aalbaek, B., Kuhnert, P. and Christensen, H. 2015. Reclassification of Actinobacillus muris as
    Muribacter muris gen. nov., comb. nov. Int. J. Syst. Evol. Microbiol., 65, 3344-3351.
Positive results for nitrates reduction, catalase, oxidase, acid production from: cellobiose, D(-) fructose, L(-) fucose, D(+) glucose
(without gas), D(+) mannose, mannitol, maltose, sucrose, trehalose, raffinose, esculin & salicin.

Negative results for alkaline phosphatase, gelatinase, H
2S production, alpha-glucosidase (PNPG), Voges-Proskauer reaction,
arginine dehydrolase, lysine decarboxylase, ornithine decarboxylase, indole production,
beta-xylosidase, acid production from: L(+)
arabinose, dulcitol,
D(-) sorbitol, D(+) galactose, L(+) rhamnose, L(-) sorbose, lactose, dextrin & inulin.

Variable results for esculin hydrolysis, beta-galactosidase (ONPG), beta-glucosidase, alpha-fucosidase, beta-glucuronidase, indole
production, urease, a
cid production from glycerol, mannitol, D-xylose, myo-inositol, (+)-D-ribose, (+)-melibiose, cellobiose & salicin
(c) Costin Stoica
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Isolated from the pharynx, uterus, and vagina of mice. Also isolated from rats.