Figure 2: Evolution of disc diameter halo during serial passages.
From: Development and characterisation of highly antibiotic resistant Bartonella bacilliformis mutants
(A) Azithromycin, (B) Chloramphenicol, (C) Ciprofloxacin, (D) Rifampicin. This figure demonstrates the ease with each mutant are selected for each antibiotic. The halo diameters (measured in mm) are reported every 5 passages or at the passage in which halo zero was obtained. In (B) is clearly visualised the difficulty with which resistance to chloramphenicol (CHL) is developed.
