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. 2014 Aug 28;9(8):e105901. doi: 10.1371/journal.pone.0105901

Figure 3. Biofilm structure of S. fredii SMH12 and derivatives on glass surfaces: reconstruction of the XY-axis, XZ-axis and YZ-axis. The top corresponds to cultures without flavonoids.

Figure 3

The bottom corresponds to cultures with inducing flavonoid. A. SMH12. B. SVQ648. C. SMH12 (pME6863). D. SMH12 (pME6000). Bar, 20 µm. SMH12: wild-type, SVQ648: nodD1 mutant, SMH12 (pME6863): lactonase strain. SMH12 (pME6000): carrying the empty plasmid.