Figure 2.

Experimental setup. Transcript profiles, of four E. coli strains (wild type, fis mutant, hns mutant and fis/hns double mutant) are compared under low (↓σdensity) and high superhelical density (↑σdensity), leading to four sets of differential expressed genes. The shading of the schematically depicted data sets on the right-hand side (black, dark gray, gray and white) will be used throughout the article.

Sonnenschein et al. BMC Systems Biology 2011 5:40   doi:10.1186/1752-0509-5-40
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