Table 2.

Bacterial strains and features

Strains	Features	References
Escherichia coli
ATCC8739 and ATCC10536	Reference strains
AG100	Wild-type E. coli K-12	[39]
AG100A	AG100 ΔacrAB::KANR	[39]
AG100ATET	ΔacrAB mutant de AG100, avec le gène acrF sur-exprimé; TETR	[39]
AG102	ΔacrAB mutant AG100, owing acrF gene markedly over-expressed; TETR	[40]
MC4100	Wild type E. coli
W311O	Wild type E. coli	[41]
Enterobacter aerogenes
ATCC13048	Reference strains
EA-CM64	CHLR resistant variant obtained from ATCC13048 over-expressing the AcrAB pump	[42]
EA3	Clinical MDR isolate; CHLR, NORR, OFXR, SPXR, MOXR, CFTR, ATMR, FEPR	[42]
EA27	Clinical MDR isolate exhibiting energy-dependent norfloxacin and chloramphenicol efflux with KANR AMPR NALR STRR TETR	[42,43]
EA289	KAN sensitive derivative of EA27	[43,44]
EA294	EA289 acrA::KANR	[44]
EA298	EA 289 tolC::KANR	[44]
Enterobacter cloacae
ECCI69	Clinical isolates	Laboratory collection of UNR-MD1, University of Marseille, France
BM47	Clinical isolates	Laboratory collection of UNR-MD1, University of Marseille, France
BM67	Clinical isolates	Laboratory collection of UNR-MD1, University of Marseille, France
Klebsiella pneumoniae
ATCC12296	Reference strains
KP55	Clinical MDR isolate, TETR , AMPR, ATMR, CEFR	[45]
KP63	Clinical MDR isolate, TETR, CHLR, AMPR, ATMR	[45]
K24	AcrAB-TolC	Laboratory collection of UNR-MD1, University of Marseille, France
K2	AcrAB-TolC	Laboratory collection of UNR-MD1, University of Marseille, France
Providencia stuartii
NEA16	Clinical MDR isolate, AcrAB-TolC
ATCC29914	Clinical MDR isolate, AcrAB-TolC	[46]
PS2636	Clinical MDR isolate, AcrAB-TolC
PS299645	Clinical MDR isolate, AcrAB-TolC
Pseudemonas aeruginosa
PA 01	Reference strains
PA 124	MDR clinical isolate	[26]

^aAMP, ATM^R, CEF^R, CFT^R, CHL^R, FEP^R, KAN^R, MOX^R, STR^R, TET^R. Resistance to ampicillin, aztreonam, cephalothin, cefadroxil, chloramphenicol, cefepime, kanamycin, moxalactam, streptomycin, and tetracycline; MDR: Multidrug resistant.