Table 3 BC1 but not salicylate synergizes with colistin against clinical isolates of E. coli.

From: Restoring colistin sensitivity in colistin-resistant E. coli: Combinatorial use of MarR inhibitor with efflux pump inhibitor

Strains

Col + Sal

Col + BC1

Col + CCCP

FIC Index

Effect

FIC Index

Effect

FIC Index

Effect

U3790

0.25

Synergy

0.25

Synergy

0.20

Synergy

U1007

0.62

Additive

0.07

Synergy

0.14

Synergy

U2354

0.62

Additive

0.25

Synergy

0.20

Synergy

U1024

0.62

Additive

0.14

Synergy

0.14

Synergy

IDH09519

0.62

Additive

0.13

Synergy

0.14

Synergy

IDH07933

0.62

Additive

0.03

Synergy

0.14

Synergy

MG1655

2

Additive

1.03

Additive

1.07

Additive

U3176

1.07

Additive

0.32

Synergy

0.57

Additive