Integration of E. coli aroG-pheA tandem genes into Corynebacterium glutamicum tyrA locus and its effect on L-phenylalanine biosynthesis

Table 3 Yields of L-phenylalanine biosynthesis in flask fer-mentation (mean ± SD)

Strains	C.glutamicum	C.glutamicum FP	C.glutamicum KM	C.glutamicum GAK
Yields (g/L)	2.20 ± 0.15	3.12 ± 0.17	3.32 ± 0.12	3.76 ± 0.21
Relative yields	1	1.42	1.51	1.71

The phenylalanine yield of the original stain was used as the standard, i.e. the relative yield of 1.