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Quantitative polymerase chain reaction (qPCR) 16S rRNA gene enumeration of mixed species biofilm and planktonic cultures grown for 14 days on BH minimal medium in the presence of 8χNA and either 1 g L-1 supplemental carbon (A), or 0.001 g L-1 supplemental carbon (B). Enumeration of biofilms is reported as 16S gene copies per peg, enumeration of planktonic microbes reported as copies per well (n = 3). Error bars represent standard error of the mean.
