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Proteus
vulgaris is a rod-shaped, gram-negative bacterium that occupies the intestinal
tracts of animals and humans. In my Gram stain test the bacteria
contained rods on the shorter side, so I identified as bacteria to be
cococobaccilli. Since the presence of flagella exist, species included in this
genus are motile and most strains flock in periodic cycles and yield a spread
of uniform film over the nutrient media which was evident in my streak plate. It’s an opportunistic pathogen which can cause urinary
tract infections, pneumonia, or septicemia. Outside intestinal tracts of humans
and animals, Proteus vulgaris can also be found in soil, contaminated water. Greatest
shared complications related to P. vulgaris are due to patients with a
suppressed immune system and is most frequently found in people with
immunodeficiency disease and is also mutual common in patients who need a
catheter. While Proteus vulgaris can be pathogenic, it is also part of the
intestinal normal flora. Gram negative bacteria regularly colonize both skin
and oral mucosa of both patients and hospital employees. So that why diseases
caused by P. vulgaris are generally found in hospitals. P. vulgaris is the lead
pathogen that causes hospital born Proteus diseases. As stated before, is
commonly found in the urinary tract. This is because the urinary tract is a
hospital environment for this species of Proteus. This is caused by the microbes’
ability to degrade urea to ammonia with the enzyme urease

Expanding
on the extremely motile of the microbe P. mirabilis its flagella allow the
motile microbe can be seen as a wave like look on a petri dish due to growing
and stopping on plated colonies. The flagellum of P. mirabilis is vital to its
motility a characteristics that help the organism inhabit. P. mirabilis also
relies on its pili of adhesion to escape being flushed out of the urinary tract
system. Proteus mirabilis ureas has a very importance to the accountable for
raising the pH and consequently making is easier to thrive and increase pH
allows stone formation to take place. On occurrence the stones fill the entire
renal pelvis. Likewise present are endotoxins, responsible for induction of the
inflammatory reaction system and pore-forming hemolysis. . The flagellum has also
been connected to the ability of P. mirabilis to form biofilms, helping to the bacteria’s
resistance to defenses of the host and select antibiotics.

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The P.
vulgaris species is unfortunately not susceptible to ampicillins or cephalosporin
like other Proteus species are though. On the other hand, P. vulgaris is
susceptible to Ampicillin, streptomycin, and chloramphenicol. Fluids are also
recommended as a defense from this.

 

 

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