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Table 2 Bacterial strains used in this study and their features

From: Antibacterial activity of six medicinal Cameroonian plants against Gram-positive and Gram-negative multidrug resistant phenotypes

Strains

Characteristics

References

Escherichia coli

 ATCC10536

Reference strain

 

 AG100

Wild-type E. coli K-12

[50]

 AG100A

AG100 ΔacrAB::KANR

 

 AG100ATET

ΔacrAB mutant AG100, with over-expressing acrF gene ; TETR

[50–52]

 AG102

ΔacrAB mutant AG100, owing acrF gene markedly over-expressed; TETR

[53, 54]

 MC4100

Wild type E. coli

[55]

 W3110

Wild type E. coli

[55, 56]

Enterobacter aerogenes

 ATCC13048

Reference strain

 

 CM64

CHLR resistant variant obtained from ATCC13048 over-expressing the AcrAB pump

[57]

 EA3

Clinical MDR isolate; CHLR, NORR, OFXR, SPXR, MOXR, CFTR, ATMR, FEPR

[58, 59]

 EA27

Clinical MDR isolate exhibiting energy-dependent norfloxacin and chloramphenicol efflux with KANR AMPR NALR STRR TETR

[58, 59]

 EA289

KAN sensitive derivative of EA27

[60]

 EA294

EA289 acrA::KANR

[60]

 EA298

EA 289 tolC::KANR

[60]

Enterobacter cloacae

 ECCI69

Clinical MDR isolates, CHLR

[61]

 BM67

Clinical MDR isolates, CHLR

[61]

 BM47

Clinical MDR isolates, CHLR

[61]

Klebsiella pneumoniae

 ATCC12296

Reference strain

 

 KP55

Clinical MDR isolate, TETR, AMPR, ATMR, CEFR

[62]

 KP63

Clinical MDR isolate, TETR, CHLR, AMPR, ATMR

[62]

 K24

AcrAB-TolC, Laboratory collection of UNR-MD1, University of Marseille, France

[61]

 K2

AcrAB-TolC, Laboratory collection of UNR-MD1, University of Marseille, France

[61]

Providencia stuartii

 NEA16

Clinical MDR isolate, AcrAB-TolC

[63]

 ATCC29916

Clinical MDR isolate, AcrAB-TolC

 PS2636

Clinical MDR isolate, AcrAB-TolC

 PS299645

Clinical MDR isolate, AcrAB-TolC

Pseudemonas aeruginosa

 PA 01

Reference strain

 

 PA 124

MDR clinical isolate

[64]

 S. aureus

  

 ATCC 25923

Reference strain

 

 MRSA 3

Clinical MDR isolate OFXR, KANR, TETR, ERMR

[65]

 MRSA 4

Clinical MDR isolate OFXR, KANR, CHLR, CIPR

 MRSA 6

Clinical MDR isolate OFXR, FLXR, KANR, TETR, CIPR, IM/CSR

 MRSA 8

Clinical MDR isolate OFXR, FLXR, KANR, ERMR, CIPR, IM/CSR

 MRSA 11

Clinical MDR isolate OFXR, KANR, ERMR, CIPR, IM/CSR

 MRSA 12

Clinical MDR isolate OFXR, FLXR, KANR, ERMR, IM/CSR

  1. AMPR, ATMR, CEFR, CFTR, CHLR, CIPR, ERMR, FEPR, FLXR, IM/CSR, KANR, MOXR, OFXR, STRR, TETR, Resistance to ampicillin, aztreonam, cephalothin, cefadroxil, chloramphenicol, Ciprofloxacin, Erythromycin, cefepime, Flomoxef, Imipenem/Cilastatin sodium, kanamycin, moxalactam, streptomycin, and tetracycline; MDR multidrug resistant