Table 2.

Isocitrate dehydrogenase activity assay of the growth media of various E. coli strains grown under equivalent conditions in the presence or absence of IPTG

SampleInduction with IPTGAvg activity ± SD (ς units/ml)
pMS49No10.43 ± 0.32
pMS49Yes38.19 ± 8.79
pMS50No22.87 ± 0.32
pMS50Yes67.21 ± 4.00
pQE60No9.32 ± 3.14
pQE60Yes9.10 ± 0.94