Which autoinducer is used by many Gram-negative bacteria?

Question

Quizplus · Accepted Answer

Many Gram-negative bacteria use homoserine lactone derivatives as their autoinducers, such as N-acyl-homoserine lactone (AHL). These small signaling molecules allow bacteria to communicate with each other and coordinate their behaviors, such as the regulation of virulence and biofilm formation. Activator and repressor proteins, as well as metabolic intermediates and allolactose, are not commonly used as autoinducers by Gram-negative bacteria.

Which Autoinducer Is Used by Many Gram-Negative Bacteria