Efflux gene types

Class and Expected functions

Number positive

in MDRTB

N = 48

Number positive in non-MDRTB

N = 30

% Carriage in MDRTB

% Carriage in non-MDRTB

p-value

Rv 1877

MFS. For efflux of drugs

33

33

68.8

20.0

0.013

Rv 2486c (efpA)

MFS. For efflux of drugs eg RIF and INH

38

38

79.7

23.3

0.018

Rv 0342(iniA)

Accessory protein. Efflux of INH, ETM and other toxic materials

32

32

66.7

33.3

0.024

Rv 2686c

ABC. Accessory protein for drug efflux

31

31

64.6

36.7

0.025

drrC

ABC. For efflux of drugs eg RIF

27

27

56.3

46.6

0.027

Rv 2459c(jefA)

MFS. For efflux of INH and ETM

33

33

68.8

30.0

0.007

RV 1002c

Accessory protein for efflux of drugs

30

30

62.5

40.0

0.017