Figure 7.

The relative abundance of predominant bacteria in zebrafish intestine. A: The mean richness of DGGE bands from the control samples collected at 4, 6 and 8 dpf. B: The mean richness of DGGE bands from the samples exposed to different TNBS concentrations (0, 25, 50 and 75 μg/ml) collected at 8 dpf. The staining intensity of fragments was expressed as a proportion (%) of the sum of all fragments in the same lane. Rf, relative front.

He et al. BMC Microbiology 2013 13:289   doi:10.1186/1471-2180-13-289
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