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Proteus mirabilis appears as Gram-negative rods after Gram staining under bright-field microscopy with 1000 times magnification. Proteus mirabilis is a Gram-negative, facultatively anaerobic, rod-shaped bacterium. It shows swarming motility and urease activity. P. mirabilis causes 90% of all Proteus infections in humans.
Proteus includes pathogens responsible for many human urinary tract infections. [3] P. mirabilis causes wound and urinary tract infections. Most strains of P. mirabilis are sensitive to ampicillin and cephalosporins. P. vulgaris is not sensitive to these antibiotics but ticarcillin. However, this organism is isolated less often in the ...
Three Proteus species P. vulgaris, P. mirabilis, and P. penneri are opportunistic human pathogens, most commonly resulting in urinary tract infections. [2] Proteus vulgaris is commonly found in the intestine in various animals, and is shed into manure and soil.
P. mirabilis may refer to: Pisaura mirabilis, a spider species; Proteus mirabilis, a Gram-negative, facultatively anaerobic bacterium species; See also
The Proteus penneri group of bacteria was named in 1982. It reclassified a group of strains formerly known as Proteus vulgaris biogroup 1. [6] In 1978, Brenner et al. showed through DNA hybridization studies that P. vulgaris was a heterogenous species. [7]
Proteus mirabilis and related species, Providencia stuartii and Morganella morganii account for more than half of these infections. Proteus mirabilis, a gram-negative enteric bacterium, differentiates between the vegetative swimmer cell and the hyper-flagellated swarmer cell.
The crystal structure of urease was first solved by P. A. Karplus in 1995. [5] ... Proteus mirabilis, is the most common in infection induced urinary stones.
P. vulgaris was one of the three species Hauser isolated from putrefied meat and identified (1885). Over the past two decades, the genus Proteus, and in particular P. vulgaris, has undergone a number of major taxonomic revisions. In 1982, P. vulgaris was separated into three biogroups on the basis of indole production.