Table 1.
Effect of different inducers on ligninolytic enzyme production.
Inducers |
Enzymes U/g of dry substrate |
Incubation period in days | |||||
---|---|---|---|---|---|---|---|
II | IV | VI | VIII | X | XII | ||
Gallic acid (0.02%) | Lcc | 492d | 957b | 15,655e | 18,365f | 6,182d | 3066c |
MnP | 126b | 384b | 2,164d | 4,586f | 2,264e | 1,062c | |
LiP | 15.3a | 36.3b | 49.5c | 159.0f | 118.8e | 52.3d | |
| |||||||
Tannic acid (0.05%) | Lcc | 400b | 858b | 10,870e | 12,152f | 4,432d | 1,130c |
MnP | 93a | 260b | 1,365d | 3,563f | 1,561e | 462c | |
LiP | 10.8a | 20.9b | 143.2d | 205.4e | 55.3c | 21.1b | |
| |||||||
Guaiacol (0.02%) | Lcc | 599e | 1,571b | 19,895e | 29,583f | 9,238d | 1,828c |
MnP | 182d | 343b | 3,961e | 5,984f | 2,982d | 982c | |
LiP | 11.8a | 46.2b | 65.1c | 189.1e | 223.9f | 119.8d | |
| |||||||
Veratryl alcohol (0.02%) | Lcc | 562a | 2,578b | 21,565e | 32,675f | 12,190d | 1,212c |
MnP | 133bc | 390b | 3,183e | 6,273f | 2,164d | 563c | |
LiP | 12.0a | 40.5b | 179.5e | 309.7f | 155.8d | 49.8c | |
| |||||||
Lignin (0.1%) | Lcc | 462c | 1,096b | 8,401e | 10,355f | 3,397d | 1,158c |
MnP | 119ab | 315b | 1,292d | 3,180f | 1,385e | 655c | |
LiP | 13.2a | 42.2c | 152.3d | 318.7e | 43.4c | 39.2b | |
| |||||||
Lignosulfonic acid (0.1%) | Lcc | 400b | 984b | 8,930e | 10,186f | 3,954d | 1,074c |
MnP | 109a | 297b | 2,256c | 5,861e | 2,952d | 287b | |
LiP | 12.4a | 31.6b | 122.8e | 198.4f | 69.1d | 42.9c | |
| |||||||
Control | Lcc | 287a | 1,138b | 10,152d | 13,735e | 17,153f | 3,941c |
MnP | 99a | 287b | 1,961c | 2,986d | 4,161f | 2,162e | |
LiP | 12.5a | 37.2b | 56.7c | 95.3d | 211.2e | 212.8f |
Values are the means of duplicates.
Means, in each column, followed by same letter are not significantly different (P ≤ 0.05) from each other according to DMR test.