Open genome analysis. Median number of novel genes added per isolate (solid line) and the fitted power law model (equation inset). The median is for 1,000 random orderings of 32 of the study isolates. The dashed line shows the +/−1 standard deviation from the median.
Doig et al. BMC Genomics 2012 13:258 doi:10.1186/1471-2164-13-258