Fig. 3Kanamycin bioassay results in DNAgar containing 5μg/ml of kanamycin after incubation at 30C for up
to 3 days with two different volumes of methanol extract containing GBL fromS. coelicolorM145 compared to
a methanol control. (a) Bioassay performed using the LW18 indicator strain; (b) bioassay performed using the
LW94 indicator strain. The extracts used in the bioassay are the same as those used in Fig. 2
126 Marc Biarnes-Carrera et al.