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Table 2 Examples of efflux pumps conferring increased tolerance to quaternary ammonium compounds. Cite at line 238

From: Quaternary ammonium disinfectants and antiseptics: tolerance, resistance and potential impact on antibiotic resistance

Pathogen

RND

MFS

ABC

SMR

MATE

PACE

E. coli

AcrAB-TolC

MdfA(Cmr), EmrB, EmrD

 

EmrE, SugE

NorM, MdtK/YdhE

 

Pseudomonas

Mex-Opr

  

QacE△1

PmPM

 

Serratia

SdeXY, SdeAB, SdeIJ,

SmfY

    

Burkholderia

Mex-Opr-like

    

AceI

Acinetobacter

 

QacA, QacB

 

QacE, QacE△1

PmPM

AceI

Achromobacter

      

Proteus

    

PmPM

 

Vibrio

    

PmPM

 

Aeromonas

   

QacE2

  

Enterobacter

acrB

  

SugE

EmmdR/YeeO

 

Klebsiella

   

QacE

  

Salmonella typhimurium

AcrAB-TolC

     
  

MFS

ABC

SMR

  

S. aureus

 

NorA, QacA, Qac B; MepA

MdeA

EfrAB

QacC,QacG,QacH, QacJ, QacE△1

  

 L. monocytogenes

   

EmrELm

  

Enterococcus

 

QacA/B

EfrAB

QacC, QacE△1

  
  1. RND = resistance-nodulation-division; MFS = major facilitator superfamily; ABC = ATP-binding cassette; SMR = small multidrug resistance; PACE = proteobacterial antimicrobial compound efflux; MATE = multidrug and toxic compound extrusion
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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