Figure 4From: The truth about metagenomics: quantifying and counteracting bias in 16S rRNA studies Results for mixture of L. crispatus and S. agalactiae . Actual and observed proportions of bacteria when mixing equal proportions of cells (Exp. 1), DNA (Exp. 2), and PCR product (Exp. 3) for L. crispatus and S. agalactiae.Back to article page