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. 2015 Jan 15;5:778. doi: 10.3389/fmicb.2014.00778

Figure 6.

Figure 6

Left (A,C), copy numbers of Archaea (A) and Bacteria (C) populations in anodes, cathodes, and solutions of freshwater bog MECs. Right (B,D), copy numbers of Archaea (top) and Bacteria (bottom) population in anodes, cathodes and solutions of AD inoculated MECs. n.d., not detected, i.e., below the detection limit of 103 copies.