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Pseudomonas Research Paper

502 Words3 Pages

Pseudomonas aeruginosa are rod-shaped, monoflagellated bacteria. They are in the domain Bacteria, phylum Proteobacteria, class Gamma Proteobacteria, order Pseudomonadales, family Pseudomonadaceae, genus Pseudomonas, and species P. aeruginosa. They range in size from 1-5 micrometers in length and 0.5-1.0 micrometers in width. There are 3 possible colony morphologies that can be seen and these depend on where the bacteria is taken from. P. aeruginosa from water and soil are typically small and rough around the edges. The other two morphologies are both found in clinical samples; the first is large and smooth, and is often described as having a fried-egg appearance. The second has a mucous-like appearance, which has been attributed to the …show more content…

aeruginosa is that it is known for having a very sweet, grape-like scent. This smell is can actually be used in identifying if it is present in burn wounds or cultures. Mass spectroscopy has shown that this odor is due to the production of 2-aminoacetophenone, which occurs early in the growth cycle of the bacteria.

P. aeurginosa is also a fluorescent bacteria. This feature is due to two pigments that the bacteria produce. The first pigment is pyocyanin which creates a blue-green color; the second pigment is pyoverdin, which creates a yellow-green color.

A final interesting fact about P. aeurginosa is that they are opportunistic and are not frequently seen in healthy tissues (instead preferring to wait for compromised tissue). It can infect almost any type of tissue once that tissue is no longer healthy; for this reason it is seen in causing a variety of diseases such as urinary tract infections, respiratory tract infections, bone infections, joint infections, and GI infections. P. aeurginosa is frequently seen in burn patients and other immunocompromised patients such as those with cancer or AIDS. P. aeurginosa infections are mainly hospital acquired (nosocomial); in the US the rate of infection is 4 out of every 100 patients discharged and accounts for 10% of all hospital-acquired

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