The Moraxellaceae are a family of
Gammaproteobacteria, including a few pathogenic species.
[George M. Garrity: '' Bergey's Manual of Systematic Bacteriology''. 2. Auflage. Springer, New York, 2005, Volume 2: ''The Proteobacteria, Part B: The Gammaproteobacteria''] Others are harmless commensals of mammals and humans or occur in water or soil. The species are
mesophilic
A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, with an optimum growth range from . The optimum growth temperature for these organisms is 37°C. The term is mainly applied to microorganisms. Organi ...
or
psychrotrophic (''Psychrobacter'').
R. Rossau, A. van Landschoot, M. Gillis & J. de Ley, "Taxonomy of Moraxellaceae ''fam. nov.'', a New Bacterial Family To Accommodate the Genera Moraxella, Acinetobacter, and Psychrobacter and Related Organisms". ''International Journal of Systematic Bacteriology'', vol. 42 (1991), n.º 2, pp. 310-319
''Moraxella catarrhalis
''Moraxella catarrhalis'' is a fastidious, nonmotile, Gram-negative, aerobic, oxidase-positive diplococcus that can cause infections of the respiratory system, middle ear, eye, central nervous system, and joints of humans. It causes the inf ...
'' and ''Acinetobacter baumannii
''Acinetobacter baumannii'' is a typically short, almost round, rod-shaped ( coccobacillus) Gram-negative bacterium. It is named after the bacteriologist Paul Baumann. It can be an opportunistic pathogen in humans, affecting people with compromi ...
'' are human pathogens, and '' Moraxella bovis'' is the cause of "pinkeye" of cattle (infectious bovine keratoconjunctivitis Infectious bovine keratoconjunctivitis (IBK), also known as pinkeye, New Forest eye or blight,Farming Small Areas, August/September, 2008, "Clearing up pinkeye" is a veterinary infection of cattle caused by '' Moraxella bovis'', a Gram-negative, β- ...
).
References
External links
J.P. Euzéby: List of Prokaryotic names with Standing in NomenclaturePink-eye in Beef Cattle
- Department of Primary Industries
Bacteria families
{{Pseudomonadales-stub