Fig. 2: Planktonic competition.
From: Survival of the first rather than the fittest in a Shewanella electrode biofilm
Anaerobic competition for lactate with fumarate as the terminal electron acceptor. The slopes of the solid lines (selection coefficients per MR-1 + gfp generation estimated by linear regression) reveal strong selection against strain ∆llpR when placed in competition with strain MR-1 + gfp. a Three replicate competitions in planktonic batch growth with an overall selection coefficient of −0.321 ± 0.010 gen−1 (relative growth rate w = 0.536 ± 0.014). b Five replicate competitions across two experiments in bioreactors with electrodes unpoised; overall selection coefficient of −0.324± 0.007 gen−1 (relative growth rate w = 0.533 ± 0.010). Different symbols (white or black diamonds, circles, and squares) represent replicate competitions. Dashed lines indicate 95% confidence bands derived from linear regression.
