mirabilis is a common cause of both community-acquired and catheter-associated UTI, cystitis, pyelonephritis, prostatitis, wound infections, and burn infections, and occasionally causes respiratory tract infections, chronic suppurative otitis media, eye infections (endophthalmitis), meningitis, and meningoencephalitis ( 3, 4, 51, 81, 137). mirabilis is by far the most common species identified in clinical specimens. causes urinary tract infections by ascending from the rectum to the periurethra and bladder. Therefore, like Escherichia coli, Proteus spp. can be found to colonize the vaginal introitus prior to onset of bacteruria. The most common infections caused by Proteus spp. Members of the genus Proteus are widespread in the environment and are found in the human gastrointestinal tract ( 9). This attribute reminded early microbiologists of the morphologic variability of the Protei on subculture, including their ability to swarm. The genus name Proteus originates from the mythological Greek sea god Proteus, who was an attendant to Poseidon ( 62). On a cellular level, swarming results from bacterial transformation from "swimmer cells" in broth to "swarmer cells" on a surface such as agar, in a process involving cellular elongation and increased flagellin synthesis ( 62). Swarming appears macroscopically as concentric rings of growth emanating from a single colony or inoculum. myxofaciens may represent a separate genus with low similarity to tribe Proteeae, and it has been suggested that this organism be renamed Cosenzaea myxofaciens ( 47).Ī striking microbiologic characteristic of Proteus species is their swarming activity. However, a recent study indicated that P. hauseri and three unnamed genomospecies: Proteus genomospecies 4, 5, 6 ( 104). The genus Proteus currently consists of five named species: P. Proteus is a member of the tribe Proteeae, which also includes Morganella and Providencia. The genus of Proteus consists of motile, aerobic and facultatively anaerobic, Gram-negative rods. Proteus is a member of the Enterobacteriaceae family.
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