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Can you please explain what is quorum sensing? and what is quorum sensing mediated pathogenicity? second question- what is the basic difference between biofil
can you please explain what is quorum sensing? And what is quorum sensing mediated Pathogenicity? Second question- what is the basic difference between biofilm and bacterial colony?
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Narayan singh Best Answer
Quorum sensing is a process of cell–cell communication that allows bacteria to share information about cell density and adjust gene expression accordingly. ... Among the many traits controlled by quorum sensing is the expression of virulence factors by pathogenic bacteria. Quorum sensing (QS) is cell communication that is widely used by bacterial pathogens to coordinate the expression of several collective traits, including the production of multiple virulence factors, biofilm formation, and swarming motility once a population threshold is reached. Biofilms are a collective of one or more types of microorganisms that can grow on many different surfaces. Microorganisms that form biofilms include bacteria, fungi and protists. One common example of a biofilm dental plaque, a slimy buildup of bacteria that forms on the surfaces of teeth. A colony is defined as a visible mass of microorganisms all originating from a single mother cell, therefore a colony constitutes a clone of bacteria all genetically alike.