Analysis by HPLC monitoring of metabolites produced by the recombinant strains. The chromatogram traces are shown at 410 nm for S. albus/pAoriΔalnH containing K1115 A, DHPA, and ThA (A), S. albus/pAoriΔalnT containing K1115 A, DHPA, and ThA (B), and S. albus (C).