Helicobacter mastomyrinus
Taxonomy
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Phylum Proteobacteria, Class Epsilonproteobacteria, Order Campylobacterales, Family Helicobacteraceae, Genus Helicobacter,
Helicobacter mastomyrinus Shen et al. 2006.
Gram-negative, spiral-shaped bacterium, with bipolar single-sheathed flagella.
Microaerophilic. Grow at 37 and 42 ºC.  
Isolated from the liver and cecum of mastomys (the African rodent, Mastomys natalenis), from the feces and ceca of normal mice,and
also from the cecum of a mouse with proctitis. Resistant to cephalothin and nalidixic acid.
Unknown. Can produce cytolethal distending toxin and cause enteric or hepatic cell distention.
  1. Zeli Shen, Shilu Xu, Floyd E. Dewhirst, Bruce J. Paster, Jeremy A. Pena, Irvin M. Modlin, Mark Kidd andJames G. Fox. A Novel
    Enterohepatic Helicobacter Species ‘Helicobacter mastomyrinus’ Isolated from the Liver and Intestine of Rodents. Int. J. Syst.
    Evol. Microbiol., 2006, 56, 2025-2027.
Positive results for catalase, oxidase & urease.

Negative results for nitrate reduction to nitrite.
(c) Costin Stoica
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