Table 1. Common lignocellulose degrading enzymes expressed in non-cellulolytic or weak-cellulolytic microorganisms.
| Enzyme or gene |
Source-species |
Receiver-species |
|---|---|---|
| Cellulose degradation: endoglucanase (EG) | ||
| EGI |
Trichoderma reesei |
Saccharomyces cerevisiae,143Yarrowia lipolytica,144 Ashbya gossypii145 |
| EGII |
T. reesei |
S. cerevisiae,124Y. lipolytica,146Pichia pastoris,147Kluyveromyces marxianus148 |
| EG(CelE) |
Clostridium thermocellum |
S. cerevisiae,149Escherichia coli150 |
| EG (CelA) |
C. thermocellum |
Bacillus subtilis,151Lactobacillus gasseri,152Lactobacillus johnsoni152 |
| EG (Cel9A) |
Thermobifida fusca |
S. cerevisiae
153
|
| EGIII | Trichoderma harzianum | P. pastoris 154 |
| Cellobiohydrolase (CBH) | ||
|---|---|---|
| CBHI |
T. reesei |
S.cerevisiae,153P. pastoris155 |
| CBHII |
T. reesei |
S. cerevisiae156,Y. lipolytica,146P.pastoris,146Aspergillus oryzae156 |
| CBHII |
Magnaporthe oryzae |
A. oryzae
156
|
| CBHI |
Talaromyces emersonii |
S. cerevisiae
157
|
| CBH (Cel48) | Clostridium phytofermentans | E. col,158B. subtilis158 |
| β-Glucosidase (BGL) | ||
|---|---|---|
| BGL1 |
Saccharomycopsis fibuligera |
S.cerevisiae
149
|
| BGL1 |
Aspergillus aculeatus |
S. cerevisiae,148K. marxianus,147T. reesei,159Issatchenkia orientalis160 |
| BGL1 |
A. oryzae |
S.cerevisiae
125
|
| BGL | Penicillium brasilianum | A. oryzae 161 |
| Hemicellulose degradation: | ||
|---|---|---|
| β-Xylanase(Xyn2) |
T. reesei |
E. coli,162P. pastoris,163S. cerevisiae164 |
| β-Xylanase (xynA) |
Penicillium citrinum |
P. pastoris
165
|
| β-Xylosidase |
T. reesei |
S. cerevisiae
166
|
| β-Mannanase |
A. aculeatus |
Y. lipolytica,167S. cerevisiae,168Aspergillus niger169 |
| endo-β-1,4-Glucanase | A. aculeatus | A. oryzae 170 |