Respuesta :
The ability of some microbes to detect the relative number of bacteria within a specific area is called quorum sensing.
What is quorum sensing?
In biology, quorum sensing or quorum signaling is the ability to sense and respond to cell population density through genetic regulation. For example, QS allows bacteria to restrict the expression of specific genes to high cell densities where the resulting phenotype is most beneficial.
In other organisms, quorum sensing is used for symbiotic processes and cell proliferation. One example is the nitrogen-fixing mechanism of the bacterium Rhizobium leguminosum. Quorum sensing enables individual bacteria within a colony to coordinate and perform colony-wide functions such as sporulation, bioluminescence, virulence, conjugation, competence and biofilm formation.
This so-called quorum sensing (QS) regulation enables bacteria to live in a 'society' with cell-cell communication and controls many important bacterial behaviors.
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