Pseudomonas aeruginosa and Vibrio cholerae form biofilms. How do these biofilms

Question

Pseudomonas aeruginosa and Vibrio cholerae form biofilms. How do these biofilms compare?

Drag the choices below to indicate whether each is a characteristic of P. aeruginosa biofilms, V. cholerae biofilms, or both.

High cell densities activate genes associated with biofilm formation.

Most biofilms are found in areas of high nutrient density.

Increased c-di-GMP levels triggers biofilm formation.

Involves quorum sensing.

Bin 1-P. aeruginosa biofilms Bin-2 V. cholerae biofilms Bin-3 Both types of biofilms

Explanation / Answer

Ans: P.aeruginosa biofilms:
High cell densities activate genes associated with biofilm formation
Increased c-di-GMP levels trigger biofilm formation
Involve quorum sensing

Vibrio cholerae biofilms:
Increased c-di-GMP levels trigger biofilm formation
Involve quorum sensing
Most biofilms are found in areas of high nutrient densities

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