. 2023 May 12;9(5):e16205. doi: 10.1016/j.heliyon.2023.e16205

Table 2.

Development in different types of QS/QQ molecule in the field of METs.

Organism	Type of MET	Function of the molecule	Major QS/QQ molecules produced	QS/QQ regulated activities	Energy production	Reference
Pseudomonas aeruginosa	MFC	Electron shuttle	Overexpression of phzM-pyocyanins production	Not available	Enhanced power output up to 166.68 μW/cm²	[83]
Rhodococcus sp.	Dual chamber MFC	QQ molecule	AHL-degrading bacteria	Inhibits biofilm formation	Maximum power density of 1924 mW/m²	[84]
Pseudomonas aeruginosa	P. aeruginosa-inoculated MFC	QS signal	Pyocyanin	Formation of mature biofilm and enhancement of electron transportation	Maximum current density of 99.80 μA/cm²	[85]
Pseudomonas aeruginosa	Dual chamber MFC	QS signal	2-heptyl-3,4- dihydroxyquinoline inhibitor PqsE	Production of redox mediator phenazines	Maximum current density of 0.5 μA/cm²	[86]
Escherichia coli	Mediator less MFC	Electron shuttle	Not available	Direct transportation of electrons	Maximum power density of 600 mW/m²	[87]
Mixed consortium of electrogens	H-type two-chamber MES	Synthetic redox	QSM homologous molecule	Enhancement in electrons transportation	Maximum power density of 14.5 A/m²	[88]