TABLE 3.
Relative xyn1 transcription levels of the wild-type and the Δxyr1 strains
| Carbon source (cultivation time, h) | Amt of mRNA (cDNA) per gene dosea
|
|
|---|---|---|
| QM9414 | Δxyr1 | |
| No carbon source (3) | 1.0 ± 0.5 | NDb |
| No carbon source (5) | 0.5 ± 0.1 | ND |
| No carbon source (8) | 0.4 ± 0.2 | ND |
| Glucose (3) | ND | ND |
| Glucose (5) | ND | ND |
| Xylose (3) | 1.9 ± 0.4 | ND |
| Xylose (5) | 169.3 ± 16.5 | ND |
| Xylose (8) | 0.0 ± 0.0 | ND |
| Xylan (8) | 16.1 ± 2.6 | ND |
| Xylan (24) | 9.8 ± 0.0 | ND |
| No carbon source (3) | 1.0 ± 0.1 | ND |
| No carbon source (5) | 3.8 ± 0.5 | ND |
| No carbon source (8) | ND | ND |
| Sophorose (5) | 97.9 ± 9.6 | ND |
| Sophorose (8) | 6,701.7 ± 531.1 | ND |
| Xylobiose (3) | 6,085.9 ± 637.1 | ND |
| Xylobiose (5) | 265.6 ± 11.2 | ND |
| Xylobiose (8) | 37.5 ± 3.2 | ND |
| Xylan (8) | 4,305.9 ± 415.3 | ND |
| Xylan (24) | 3,819.4 ± 277.6 | ND |
a
Values are the means ± SD of results from three independent experiments.
b
ND, no detection.