Figure S1 from Plasmid stability is enhanced by higher-frequency pulses of positive selection

Donors and recipients across replicate populations. The densities of plasmid- bearing and plasmid- free cells were plotted for each replicate population across the six selection treatments (constant mercury, mercury pulsed every 2, 4, 8 and 16, and absence of mercury). Grey bars indicate transfers where mercury was applied. Solid lines indicate donors, dotted lines indicate recipients. Colours represent each pulsed mercury treatment.