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Pseudomonas aeruginosa is a gram-negative, aerobic, non-spore forming rod that is capable of causing a variety of infections in both immunocompetent and immunocompromised hosts. Its predilection to cause infections among immunocompromised hosts, extreme versatility, antibiotic resistance, and a wide range of dynamic defenses makes it an ...
Any of several types of the gram-negative bacteria Pseudomonas, especially Pseudomonas aeruginosa, can infect different parts of the body, particularly in people who have serious medical problems or who are hospitalized. Infections range from mild external ones (affecting the ear or hair follicles) to serious internal infections (affecting the ...
Pseudomonas species are Gram-negative, aerobic bacilli measuring 0.5 to 0.8, μm by 1.5 to 3.0 μm. Motility is by a single polar flagellum. Species are distinguished by biochemical and DNA hybridization tests.
Pseudomonas aeruginosa is a common encapsulated, Gram-negative, aerobic–facultatively anaerobic, rod-shaped bacterium that can cause disease in plants and animals, including humans.
Pseudomonas is a genus of Gram-negative bacteria belonging to the family Pseudomonadaceae in the class Gammaproteobacteria. The 313 members of the genus [2] [3] demonstrate a great deal of metabolic diversity and consequently are able to colonize a wide range of niches. [4]
Key Points. Pseudomonas aeruginosa and other members of this group of gram-negative bacilli are opportunistic pathogens that frequently cause hospital-acquired infections, particularly in patients with burn injuries, ventilator dependence, neutropenia, or chronic debility. Many sites can be infected, and infection is usually severe.
P. aeruginosa is a heterotrophic, motile, Gram-negative rod-shaped bacterium about 1–5 µm long and 0.5–1.0 µm wide. It is a facultative aerobe that grows via aerobic respiration and anaerobic respiration with nitrate as the terminal electron acceptor.
Positive Gram stain. If your test result reveals a positive Gram stain, it means that bacteria were present in your sample. If your result is positive, it usually includes information about what kind of organism was present on the sample slide, including: Type of bacteria: Gram-positive or gram-negative. Shape of bacteria: Round (cocci) or rods ...
Biochemical Test and Identification of Pseudomonas aeruginosa. Last updated: August 10, 2022 by Sagar Aryal. Characteristics. Pseudomonas aeruginosa. Gram Staining. Negative.
By far, the most common Gram-negative, glucose non-fermenting rod that causes human infections is Pseudomonas aeruginosa. Pseudomonas belongs to the family Pseudomonadaceae in the order Pseudomonadales in the class Gammaproteobacter of the phylum Proteobacter.