mirabilis, once attached to the urinary tract, infects the kidney more commonly than E. vulgaris occurs naturally in the intestines of humans and a wide variety of animals, and in manure, soil, and polluted waters. However, this organism is isolated less often in the laboratory and usually only targets immunosuppressed individuals. vulgaris is not sensitive to these antibiotics but ticarcillin. mirabilis are sensitive to ampicillin and cephalosporins. mirabilis causes wound and urinary tract infections. Proteus includes pathogens responsible for many human urinary tract infections. penneri-are opportunistic human pathogens. The first use of the term “Proteus” in bacteriological nomenclature was made by Hauser (1885), who described under this term three types of organisms which he isolated from putrefied meat. The term Proteus signifies changeability of form, as personified in the Homeric poems in Proteus, "the old man of the sea", who tends the sealflocks of Poseidon and has the gift of endless transformation. They are opportunistic pathogens, commonly responsible for urinary and septic infections, often nosocomial. Proteus bacilli are widely distributed in nature as saprophytes, being found in decomposing animal matter, sewage, manure soil, the mammalian intestine, and human and animal feces. Their size generally ranges from 0.4–0.8 μm in diameter and 1.0–3.0 μm in length. It is a rod shaped, aerobic and motile bacteria, which is able to migrate across surfaces due its “swarming” characteristic in temperatures between 20 and 37 ☌. Proteus is a genus of Gram-negative bacteria. Proteus vulgaris growth in MacConkey agar culture plate For more guidance, see Wikipedia:Translation.įor other uses, see Proteus (disambiguation).
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