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Color complementation and enhanced lycopene accumulation due to expression of SmIPI1 in engineered E. coli for lycopene biosynthesis. (A) The plate was divided into five sections, which were respectively inoculated with bacteria containing the corresponding plasmids as indicated on the plate; (B) The carroty bacterial clones including pTrc-SmIPI1 and pAC-LYC were darker because of lycopene accumulation.
