Fig. 5

Enzyme production over the time of culture. a, c Amylase and xylanase production by S. lividans ΔTA-Tox transformed with pRoxAnti-Amy (a) and pRoxAnti-Xyl (c) after 2, 4, 6 and 8 days of culture in YES medium supplemented with 3% xylose. 10 µL of the supernatant was loaded into each track. b, d Amylase (b) and xylanase (d) activity of the supernatants. The histogram bars are the means of three experiments