Table 5 Cellulase and xylanase activities of the CreA::GFP wild-type and truncated strains when grown for 24 hr in fructose-rich medium and transferred for 5 days to cellulose-rich medium before being transferred again to MM supplemented with glucose for 24 hr
Cellulase activity (units/μg intracellular protein)
StrainFructose 24 hrAvicel 120 hrGlucose 24 hr
CreA::GFP0.009 ± 0.0022.245 ± 0.1660.012 ± 0.005
CreAΔAlan::GFP0.001 ± 0.00011.594 ± 0.7110.000 ± 0.000
CreAΔAcid::GFP0.006 ± 0.0021.609 ± 0.0720.000 ± 0.000
CreAΔConsv::GFP0.004 ± 0.0010.059 ± 0.0740.000 ± 0.000
CreAΔRepr::GFP0.009 ± 0.0020.487 ± 0.2810.014 ± 0.006
Xylanase activity (units/μg intracellular protein)
StrainFructose 24 hrAvicel 120 hrGlucose 24 hr
CreA::GFP0.002 ± 0. 0011.407 ± 0.0410.008 ± 0.001
CreAΔAlan::GFP0.002 ± 0.00112.468 ± 0.7850.003 ± 0.001
CreAΔAcid::GFP0.004 ± 0.0013.740 ± 0.1400.012 ± 0.001
CreAΔConsv::GFP0.003 ± 0.0010.300 ± 0.1630.002 ± 0.000
CreAΔRepr::GFP0.003 ± 0.0000.241 ± 0.0460.005 ± 0.001