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Fig. 2. Fig. 3. 16S rRNA gene-based denaturing gradient gel electrophoresis community analysis of indigenous eubacteria (lanes 1–7) and indigenous Mycobacterium spp. (lanes 8–11) in soil for the K3663 soil experiment. Lanes 1–2: eubacterial fingerprints at day zero for the control soil and the acetone control soil, respectively. Lanes 3–7: eubacterial fingerprints for the non-sterilized soil spiked with phenanthrene after 0, 13, 29, 55, and 132 d of incubation, respectively. Lanes 8–11: Mycobacterium fingerprints after 13 d of incubation for the control soil, the acetone control soil and the non-sterilized soils spiked with phenanthrene and pyrene, respectively. Phe, phenanthrene; pyr, pyrene.
