New 2-Ethylthio-4-methylaminoquinazoline derivatives inhibiting two subunits of cytochrome bc1 in Mycobacterium tuberculosis
Fig 5
11626252 is bacteriostatic but bactericidal in the absence of the bd oxidase.
H37Rv, ΔcydAB and the complemented strain were exposed to increasing concentrations (1X MIC-32X MIC) of 11626252 for 7 days. Bacteria were plated on 7H10-OADC on day 0 (D0) to determine the initial number of CFU. After 7 days of exposure, untreated bacteria (D7) were plated for CFU enumeration. Results are expressed as the mean log 10 CFU/mL ± s.d.of two independent experiments. <d.l., below limit of detection.