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Table 1 MIC values of EtBr and several antibiotics for E. coli AG100, AG100A and AG100TET.

From: Fluorometric determination of ethidium bromide efflux kinetics in Escherichia coli

 

MIC (μg/ml)

E. coli strains

EtBr

KAN

CIP

OFX

CHL

ERY

TET

TET + CPZ

AG100

150

15

0.03

0.12

8

100

2.0

0.5

AG100A

5

> 200

0.004

0.015

2

6.25

0.5

0.5

AG100TET

300

10

0.12

0.48

> 16

100

12

3

  1. Ethidium Bromide (EtBr); Kanamycin (KAN); Ciprofloxacin (CIP); Ofloxacin (OFX); Chloramphenicol (CHL); Erythromycin (ERY); Tetracycline (TET); and Chlorpromazine (CPZ). Kanamycin was included as control for the presence of Tn903 in E. coli AG100A (ΔacrAB::Tn903 Kanr). The tetracycline MICs were also calculated in the presence of 30 μg/ml (AG100), 10 μg/ml (AG100A) and 70 μg/ml (AG100TET) of CPZ (1/2 CPZ MIC).
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Journal of Biological Engineering

ISSN: 1754-1611