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Fig. 4 | Microbial Cell Factories

Fig. 4

From: Optimal proteome allocation strategies for phototrophic growth in a light-limited chemostat

Fig. 4

Photosynthetic efficiency, optimal dilution, and effects of the mixing depths. a The optimal dilution rate \(D_{\mathrm{opt}}\) for which a maximal biomass productivity \(P_E\) is attained. \(D_{\mathrm{opt}}\) increases with increasing incident light intensity \(I_0\) and saturates at a value \(D_{max} \approx 0.027\ \text {h}^{-1}\). b The photosynthetic efficiency as a function of the incident light intensity for a maximally productive chemostat. The photosynthetic efficiency increases with increasing incident light intensity and saturates at \(Y_{E,max} \approx 2.474\ \text {gDW mol photons}^{-1}\). c The consequences of different mixing depths on the maximal biomass productivity \(P_E\). While the volumetric productivity decreases, the surface productivity \(P_E \cdot z_m\) remains approximately constant. The slight decrease is due to the increasing effect of the background turbidity

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