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. 2013 Apr 5;8(4):e60573. doi: 10.1371/journal.pone.0060573

Figure 10. SEM photographs of E. coli cells and biogenic Mn oxides (×20,000 with insert ×10,000).

Figure 10

(A) SEM image showing the morphologies of the mother strain M15 cultivated without Mn(II); (B) SEM image of the mother strain M15 cultivated with Mn(II) and the associated biogenic Mn oxides; (C) SEM image showing the morphologies of the recombinant strain M15-pQE-cotA cultivated without Mn(II); (D) SEM image of the recombinant strain M15-pQE-cotA cultivated with Mn(II) and the aggregated biogenic Mn oxides.