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Comparison of copy numbers of 16S rDNA of Bacteroidetes with coliform and E. coli MPNs in 10-fold primary-influent dilutions. Equivalent sewage volumes (100 ml) were used for the TNAs and the Colilert assays, but only 1 μl of the total filtered, extracted DNA was used in the TNA. The MPN and copy number data were log transformed. The error bars represent 1 standard deviation based on geometric means of results for triplicate sewage dilutions.
