Figure 6

Growth characteristics of evolved clones. (A) The averaged growth curve of the 12 clones isolated from the ancestor (left top), the T-lineage (right top), the Svr-lineage (left bottom) and the Mld-lineage (right bottom) populations. The gray circles at time zero indicate the estimated cell concentration from the inoculation procedure. Each panel includes the growth curve of ACs (open circle), while the other clones are indicated by filled black circles. The error bars represent the standard deviations, and most bars are very small. (B) The growth rate of the 12 isolated clones for the exponential growth phase. The growth rate is calculated from the slope of the growth curves during the exponential growth phase. The error bars are 95% confidence limits. P-values are for t-test (N = 12).