Open AccessBeQu IK (Biosensor Engineered Quorum Induced Killing): designer bacteria for destroying recalcitrant biofilms
Author(s) -
Riangrungroj Pinpunya,
Polizzi Karen M.
Publication year - 2020
Publication title -
microbial biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.287
H-Index - 74
ISSN - 1751-7915
DOI - 10.1111/1751-7915.13465
Subject(s) - biofilm , quorum sensing , bacteria , synthetic biology , secretion , extracellular polymeric substance , microbiology and biotechnology , chemistry , biology , computational biology , biochemistry , genetics
This opinion piece describes a new design for the remediation of recalcitrant biofilms. It builds on previous work to develop engineered E. coli that recognize quorum sensing signals from pathogens in a biofilm and secrete toxins in response. To solve the challenge of dilute signalling molecules, we propose to use nanobodies and enzymes displayed on the surface of the cells to localize them to the biofilm and degrade the extracellular polymeric substances, thus creating a solution with better ‘seek and destroy’ capabilities.