Proteus (bacterium)
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{{Taxobox
| color = lightgrey
| name = Proteus
| image = Proteus_McConkey.jpg
| image_width = 240px
| image_caption = Proteus vulgaris growth in MacConkey agar culture plate
| regnum = Bacteria
| phylum = Proteobacteria
| classis = Gamma Proteobacteria
| ordo = Enterobacteriales
| familia = Enterobacteriaceae
| genus = Proteus
| genus_authority = Hauser 1885
| subdivision_ranks = Species
| subdivision =
P. mirabilis
P. morganii
P. penneri
P. rettgeri
P. vulgaris
etc.
}}
Proteus is a genus of Gram-negative Proteobacteria, which includes pathogens responsible for many human urinary tract infections.<ref name=Barron>Template:Cite book</ref> Proteus species do not ferment lactose, are oxidase negative, and urease positive; some species are motile.<ref name=Sherris>Template:Cite book</ref>
Pathogenesis
Three species—P. vulgaris, P. mirabilis, and P. penneri—are opportunistic human pathogens.
References
<references />Template:Proteobacteria-stub