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Table 5 MIC results, Drug susceptibility profile, efflux pump expression and VP treatment, in 4 fully susceptible isolates

From: The importance of heteroresistance and efflux pumps in bedaquiline-resistant Mycobacterium tuberculosis isolates from Iran

No.

BDQ

INH

RIF

STR

EMB

KAN

OFX

CAP

MIC BDQ

BDQ + VP

MIC fold change

Genes overexpressed under BDQ

Genes down-regulated under VP + BDQ stress

PII-6

S

S

S

S

S

S

S

S

0.125

0.007

17.8

Rv0676c

Rv0676c - Rv1410c

PII-8

S

S

S

S

S

S

S

S

0.125

0.0039

32

*

*

PII-10

R

S

S

S

S

S

S

S

1

0.06

16

*

Rv3065- Rv0676c - Rv1258c - Rv1410c - Rv1634- Rv1819- Rv2459- Rv2846

PII-11

R

S

S

S

S

S

S

S

0.5

0.0625

8

Rv3065

Rv0676c - Rv1258c - Rv1410c - Rv1634- Rv1819- Rv2459- Rv2846

  1. *: not changed
  2. BDQ Bedaquiline, R Resistant, KAN Kanamycin, VP Verapamil, RIF Rifampicin, CAP Capreomycin, EMB Ethambutol, STR Streptomycin, OFX Ofloxacin, S Susceptible, INH Isoniazid, MIC: Minimum inhibitory concentration