TABLE 3.

Expression of β-galactosidase from E. coli oy016 derivatives grown in LB or MM9 medium

E. coli derivativeβ-Galactosidase activity (Miller units, mean ± SD)
LBMM9-glucose
oy0160.00.0 ± 0.3
pMP2202.4 ± 0.30.75 ± 0.1
pMP-fitA4.2 ± 0.311.7 ± 1.2
pMP-fitB153 ± 12759 ± 82