Skip to main content

Table 1 Characteristics of the studied bacterial strains

From: Bark extract of Cassia sieberiana DC. (Caesalpiniaceae) displayed good antibacterial activity against MDR gram-negative phenotypes in the presence of phenylalanine-arginine β-naphthylamide

Species Types Characteristics References
Escherichia coli ATCC 8739 Reference strain [13]
AG102 acrAB mutant AG100, owing acrF gene markedly overexpressed;TETR [13]
Klebsiella pneumoniae ATCC 11296 Reference strain [14]
KP55 Clinical MDR isolate Tetr, Ampr, Atmr, Cefr [14]
Pseudomonas aeruginosa PA01 Reference strain [15]
PA124 MDR clinical isolate expressing Mex efflux pump [15]
Enterobacter aerogenes ATCC13048 Reference strain [13]
EA 27 Clinical MDR isolate exhibiting energy-dependent norfloxacin and chloramphenicol efflux with Kanr, Ampr, Nalr, Strr, Tetr [16]
Providencia stuartii ATCC29916 Reference strain [17]
PS 2636 Clinical MDR isolate, AcrAB-TolC [17]
  1. Ofxar, Kanr, Tetr, Ermr, Ampr, Nalr,Strr, Atmr, Cefr, Cipr, Im/CSBr, Chlr, Genr, Nisr, Flxr: resistant (r) to ofloxacin, kanamycin, tetracyclin, erythromycin, ampicillin, nalidixic acid, streptomycin, aztreoname, cefepim, ciprofloxacin, imipenem/Cilastatin sodium, chloramphenicol, gentamycin, nisine and flomoxef respectively; MDR: Multidrug-resistant;. AcrAB-TolC, AcrAB and Mar A are efflux pumps