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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, facultatively, rod-shaped. It shows and activity. Mirabilis causes 90% of all Proteus infections in humans. It is widely distributed in soil and water.
Proteus mirabilis can migrate across the surface of solid media or devices using a type of cooperative group motility called swarming. Proteus mirabilis is most frequently associated with infections of the urinary tract, especially in complicated or catheter-associated urinary tract infections. Contents.Diagnosis An sample is a possible sign of P. It can be diagnosed in the lab due to characteristic swarming motility, and inability to metabolize (on a plate, for example). Mirabilis produces a very distinct fishy odor.Disease This rod-shaped bacterium has the ability to produce high levels of, which hydrolyzes to (NH 3), so makes the urine more alkaline.
If left untreated, the increased alkalinity can lead to the formation of of, and/or, which can result in. The bacterium can be found throughout the stones, and these bacteria lurking in the can reinitiate infection after antibiotic treatment. Once the stones develop, over time they may grow large enough to cause obstruction. Proteus species can also cause wound infections, sepsis, and pneumonia, mostly in hospitalized patients. Treatment P. Mirabilis is generally susceptible to most apart from and, but 10–20% of P.
Antibiotic resistance is one of the main problems of the team dealing with nosocomial infections 1,2,9. Frequently the findings from the microbiological investigation in chronic wounds with vascular origin show presence of more than one bacterial species and the isolated bacteria exhibit antibiotic resistance. The susceptibilities of the 15 nalidixic acid-susceptible and 59 nalidixic acid-resistant isolates of P. Mirabilis to the antibiotics tested are summarized in the Table. The fluoroquinolones were consistently more potent than nalidixic acid and pipemidic acid.
Mirabilis strains are also resistant to first-generation. Characteristics.
This section does not any. Unsourced material may be challenged and.Find sources: – ( December 2016) P. Mirabilis can use urea. It can produce gas, and forms clear films on growth media. It is, possessing peritrichous, and is known for its swarming ability. It is commonly found in the human digestive system.
Mirabilis is not pathogenic in or chickens. Noteworthy is the ability of this species to inhibit growth of unrelated strains, resulting in a macroscopically visible line of reduced bacterial growth where two swarming strains intersect.
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