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. 2015 Mar 13;5:9085. doi: 10.1038/srep09085

Figure 2. Schematic representation of OCP production in E.coli.

Figure 2

E.coli producing ECN-OCP contain three plasmids: pAC-Beta (yellow) carries the genes involved in β-carotene synthesis (crtB, crtE, crtI and crtY) under the control of the crtE promoter; pBAD-crtO (orange), carries the crto gene under the control of ara promoter (arabinose inducible); CrtO enzyme converts β-carotene in echinenone; pCDF-OCP carries the ocp gene under the control of an IPTG inducible promoter (red).