Figure 3
From: Comparative toxicogenomic responses of mercuric and methyl-mercury
Principal components analysis. Panel A, PCA using all of the genes on the microarray; Panel B, PCA using only significantly, differentially expressed genes. Analyses were performed on three pairs of independent biological replicates. Treatments are designated: 2.0 μM (red), 7.5 μM (green) and 20 μM (dark blue) for HgCl2 and 0.75 μM (purple), 2.0 μM (orange) and 7.5 μM (light blue) for MeHgCl.