Important Differences between E. Coli and Pseudomonas Aeruginosa

E. Coli and Pseudomonas Aeruginosa, both are encapsulated, rod-shaped, gram-negative bacteria. The genus of species Pseudomonas Aeruginosa is Pseudomonas, while the genus of species E.coli is Escherichia.

The main difference between E. coli and Pseudomonas aeruginosa lies in its classification, and their family and genus. E.coli is a facultative anaerobic bacterial species belonging to the genus Escherichia, Enterobacteriaceae family. On the other hand, P. aeruginosa is an aerobic bacterial species belonging to the Pseudomonadadaceae family under the Pseudomonas genus.

E. Coli

• These are gram-negative, rod-shaped, facultative anaerobic, coliform bacteria of the genus Escherichia
• Escherichia coli are a type of bacteria found in food, intestines of people, animals, surroundings
• These diverse groups of bacteria can cause some disorders and infections, while other strains are harmless

Pseudomonas Aeruginosa

• It is a common encapsulated, gram-negative, obligate aerobe
• These are rod-shaped bacteria causing diseases in animals and plants
• They are seen in skin flora, water, soil and most of the man-made surroundings. It can thrive in low-oxygen surroundings as well as normal conditions
• They are non lactose fermenting and are oxidase positive
• Its culture looks blue-greenish due to the pigment Pyoverdin and Pyocyanin
• Its virulence factors are exotoxin A, phospholipase C, endotoxin

Key Difference between E. Coli and Pseudomonas Aeruginosa

The table below depicts the difference between E. Coli and Pseudomonas Aeruginosa.

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