FIG. 5.

Effect of Fe³⁺ concentration on specific growth rate of DC3000-lux (P. syringae pv. tomato DC3000 hopA1::mini-Tn5 lux Cm^r) (data are obtained from Fig. 4a). (a) Saturation curve, μ = (μ′_m·S)/(K_S + S) + μ₀, where μ_m′ is 0.078 (h⁻¹), μ₀ is 0.015 (h⁻¹), and K_S is 94.1 (μM). (b) Hanes-Woolf plot, S/(μ − μ₀) = (1/μ′_m)·S + (K_S/μ′_m). •, experimental results up to 300 μM Fe³⁺; ○, experimental results over 400 μM Fe³⁺; —, prediction from Monod-type equation 1 or the Hanes-Woolf plot (see equation S2 in the supplemental material) up to 300 μM Fe³⁺ (the equation is not valid at higher iron concentrations).