Table 3.

Substrates to which E. coli W4680AD expressing pCusCFBA shows resistance, as determined by Biolog assay.

Resistance Level	Chemical	Class/Function
Strong	2,4-Dintrophenol	Oxidative phosphorylation uncoupler
	1,3-Dinitrobenzene	Proton ionophore, H+
	Ethionamide	Used to treat tuberculosis
Moderate	2, 2′-Dipyridyl	Iron chelator
	4-Hydroxycoumarin	Rodenticide
	Benserazide	Used to treat Parkinson’s disease
	Boric Acid	Insecticide
	Chloroxylenol	Pesticide
	Cytosine-1-beta-D-arabinofuranoside	Inhibits DNA polymerase
	FCCP	Disrupts mitochondrial membrane potential
	Fusaric acid	Mycotoxin
	Sodium arsenate	Metal
	Sulfamethoxazole	Sulfonamide antibiotic
Weak	3-Amino-1,2,4-triazole	Herbicide
	Cefmetazole	β-lactam antibiotic
	Cobalt chloride	Cetal
	Guanidine hydrochloride	Denatures proteins
	Lincomycin	Lincosamide antibiotic
	Oxolinic acid	Quinolone antibiotic
	Sodium metaborate	Insecticide