Proteus is a genus of Gram-negative Proteobacteria, which includes pathogens responsible for many human urinary tract infections. Proteus species do not ferment lactose, are oxidase negative, and urease positive; some species are motile.

Pathogenesis

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Three species—P. vulgaris, P. mirabilis, and P. penneri—are opportunistic human pathogens.

References

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Enterobacteria

Proteus (genre)