Table 1. Bacterial strains and plasmids used in this study.

Strain	Identification	Description	Ref
Bacteria
BZB1011	BZB1011	W3110; gyrA	[21]
Plasmids *
pDEW201	DEW201	promoterless plx, luxCDABE(-)Ampr	[35,38]
pDEW-A	Lum-A	pDEW201(Pcaa::luxCDABE) Ampr	This study
pDEW-B	Lum-B	pDEW201(Pcba::luxCDABE) Ampr	This study
pDEW-D	Lum-D	pDEW201(Pcda::luxCDABE) Ampr	This study
pDEW-E2	Lum-E2	pDEW201(Pce2a::luxCDABE) Ampr	[21]
pDEW-E6	Lum-E6	pDEW201(Pce6a::luxCDABE) Ampr	This study
pDEW-E7	Lum-E7	pDEW201(Pce7a::luxCDABE) Ampr	[22]
pDEW-Ib	Lum-Ib	pDEW201(Pciba::luxCDABE) Ampr	[22]
pDEW-K	Lum-K	pDEW201(Pcka::luxCDABE) Ampr	This study
pCol A-CA31	ColA	Colicin A plasmid	[21]
pCol D-CA23	ColD	Colicin D plasmid	[21]
pColE2-P9	ColE2	Colicin E2 plasmid	[21]
pCol E6-CT14	ColE6	Colicin E6 plasmid	[21]
pColE7-K317	ColE7	Colicin E7 plasmid	[21]
pColIb-P9 drd	ColIb	Colicin Ib plasmid	[21]
pCol K-K253	ColK	Colicin K plasmid	[21]
pUArrnB	pUArrnB	pUA PrrnB::gfp, KanR	[36]
ColA-pBR322	pBR-ColA	pBR caa::ima::cal, AmpR	This study

^*p indicates plasmid, all plasmids were transformed into isogenic host BZB1011.