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Flux Balance Analysis of Cyanobacterial Metabolism: The Metabolic Network of Synechocystis sp. PCC 6803

Figure 2

A flux map for phototrophic growth under constant light.

The flux distribution was optimized for maximal biomass yield. Shown are flux values in units of . Flux values marked with an asterisk indicate non-unique values. The solution is characterized by a large flux through the CBB cycle and non-cyclic operation of the TCA cycle. Aerobic respiration and oxygenic photosynthesis share common components in the electron transport chain. During phototrophic growth, electrons originate from water splitting in PS II and are transferred to NADPH via PS I and FNR. Abbreviations are defined in the Materials and Methods.

doi: https://doi.org/10.1371/journal.pcbi.1003081.g002