Abstract
Quorum sensing (QS), the cell-cell microbial communication system, plays a substantial role in coordinating various bacterial behaviors, including biofilm formation, pathogenesis, production of antibiotic compounds, antibiotic resistance, and production of extracellular hydrolytic enzymes. Among different QS signals used by microbial communities, acyl homoserine lactone (AHLs) and furanosyl-borate diesters represent the most significant auto-inducers in marine microbial environments. These bacterial communications can be interrupted by a mechanism called Quorum quenching (QQ). Many marine bacteria could exhibit QQ either by competitively inhibiting the binding of auto-inducers to their receptors or by producing enzymes that can degrade or modify QS communication signals. Thus, QQ opens up new avenues to control bacterial infections and biofouling in various domains such as medical, aquaculture, wastewater treatment plants, ship hulls, and other industries. In the wake of this, the present chapter discusses the salient details of QQ in marine bacteria and its potential applications.
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