Fig. 4From: Wild-type Caenorhabditis elegans isolates exhibit distinct gene expression profiles in response to microbial infection Principal component analysis clusters samples based on genotype, rather than pathogen exposure. A-C Principal component plots of expression data from the Hawaiian wild isolate, CB4856 (triangles) and N2 (diamonds) samples (A), only N2 samples (B), and only CB4856 samples (C)Back to article page