Figure 4

Distribution of growth related genes within the V. cholerae genome. Distributions of orthologs to growth essential, the most growth contributing and the least growth contributing E. coli genes between (A) the large and the small chromosome, (B) the origin- and the terminus-proximate part of the large chromosome and (C) the terminus-proximate part of the large chromosome and the small chromosome is shown together with distributions of all V. cholerae genes. Light grey bars represent the large chromosome, black bars the small chromosome, white bars the origin-proximate part of the large chromosome and dark grey bars the terminus-proximate part of the large chromosome. Sizes (n) of each group are shown and stars indicate that distributions are significantly different from an average determined by chi-square tests for comparison of two proportions (* P < 0.05, ** P < 0.01).