Table 1: Some properties of recombinant thermophilic fungal cellulases expressed in heterologous hosts.

FungusGeneFamilyHostOptimal pHpIOptimal Temp (°C)Thermal stabilityMolecular mass (kDa)Reference

Acremonium thermophilumcel7a7Trichoderma reesei5.54.6760NR53.7[15]
Chaetomium thermophilumcel7a7Trichoderma reesei45.0565NR54.6[15]
Chaetomium thermophilumcbh37Pichia pastoris45.1560 : 45 min at 70°C50.0[16]
Humicola griseaegl25Aspergillus oryzae56.927580% residual activity for 10 min at 75°C42.6[17]
Humicola griseaegl345Aspergillus oryzae55.786075% residual activity for 10 min at 80°C32.2[17]
Humicola griseaegl445Aspergillus oryzae66.447575% residual activity for 10 min at 80°C24.2[18]
Humicola grisea var thermoideaeg17Aspergillus oryzae56.4355–60Stable for 10 min at 60°C47.9[19]
Humicola grisea var thermoideacbh17Aspergillus oryzae54.7360Stable for 10 min at 55°C55.7[19]
Humicola insolensavi26Humicola insolensNR5.65NRNR51.3[20]
Humicola insolenscbhII6Saccharomyces cerevisiae9NR57 : 95 min at 63°CNR[21, 22]
Melanocarpus albomycescel7b7Trichoderma reesei6–84.23NRNR50.0[23]
Melanocarpus albomycescel7a7Trichoderma reesei6–84.15NRNR44.8[23]
Melanocarpus albomycescel45a45Trichoderma reesei6–85.22NRNR25.0[23]
Talaromyces emersoniicel3a3Trichoderma reesei4.023.671.5 : 62 min at 65°C90.6[24]
Talaromyces emersoniicel77E. coli54.068 : 68 min at 80°C48.7[7]
Talaromyces emersoniicel7A7Saccharomyces cerevisiae4-565 : 30 min at 70°C46.8[25]
Thermoascus aurantiacuscbh17Saccharomyces cerevisiae64.376580% residual activity for 60 min at 65°C48.7[26]
Thermoascus aurantiacuseg15Saccharomyces cerevisiae64.3670stable for 60 min at 70°C37.0[27]
Thermoascus aurantiacusbgl13Pichia pastoris54.617070% residual activity for 60 min at 60°C93.5[28]
Thermoascus aurantiacuscel7a7Trichoderma reesei54.4465NR46.9[15]