TABLE 2

Levels of glycosyl hydrolases in revertants of group I mutants

Glycosyl hydrolase activities
Strainβ-Glycosidase
(μmol PNP/min/mg)
α-Glucosidase
(μmol PNP/min/mg)
α-Amylase
(units/ml)
Carl1.5 ± 0.117.0 ± 1.70.19 ± 0.02
Scr-1B1 6.4 ± 0.121.4 ± 1.20.60 ± 0.07
Scr-1B23.6 ± 0.215.3 ± 0.20.57 ± 0.04
Scr-1B97.9 ± 0.416.7 ± 0.30.65 ± 0.03
Scr-1B108.1 ± 0.718.6 ± 0.10.78 ± 0.04
Scr-1L1123.7 ± 4.516.7 ± 1.41.00 ± 0.03
Wild type31.7 ± 0.312.7 ± 0.91.21 ± 0.01