Figure 2From: The TonB system in Aeromonas hydrophila NJ-35 is essential for MacA2B2 efflux pump-mediated macrolide resistanceBacterial cell morphology of the WT and ΔtonB123 mutant. A SEM images of the WT and ΔtonB123 mutant. Scale bar = 1 μm. B TEM images of the WT and ΔtonB123 mutant. Scale bar = 500 nm. At least three random fields were observed and analyzed, from three independent experiments.Back to article page