TABLE 2.
Activities of starch-degrading enzymes in culture supernatant extracts from 11 bacterial strains grown in basal media containing various carbon sources
| Species | Strain | Activities (μmol reduced sugar produced h−1 mg of protein−1) with the following carbon sourcesa:
|
||
|---|---|---|---|---|
| Starch (potato) | Amylopectin (potato) | Pullulan | ||
| B. breve | UCC 2003 | 1.22 ± 0.5 | 1.87 ± 0.2 | 2.04 ± 0.4 |
| B. breve | NCFB 2258 | 1.10 ± 0.2 | 1.76 ± 0.6 | 2.13 ± 0.4 |
| B. breve | CCUG 34405 | 1.35 ± 0.2 | 1.47 ± 0.1 | 1.84 ± 0.2 |
| B. breve | CCUG 43878 | 1.22 ± 0.3 | 1.76 ± 0.4 | 1.95 ± 0.1 |
| B. breve | JCM 7019 | 0.95 ± 0.5 | 1.15 ± 0.2 | 1.42 ± 0.3 |
| B. infantis | CCUG 45868 | 1.13 ± 0.3 | 1.36 ± 0.3 | 1.78 ± 0.6 |
| B. dentium | NCFB 2243 | 0.99 ± 0.3 | 1.48 ± 0.6 | 1.73 ± 0.1 |
| B. pseudolongum | NCIMB 2244 | 1.15 ± 0.4 | 1.75 ± 0.6 | 0.88 ± 0.7 |
| B. pseudolongum | DSM 20095 | 0.96 ± 0.4 | 1.59 ± 0.3 | 2.35 ± 0.2 |
| B. pseudolongum subsp. globosum | DSM 20092 | 0.84 ± 0.1 | 1.38 ± 0.2 | 2.15 ± 0.3 |
| B. thermophilum | JCM 7027 | 0.95 ± 0.5 | 1.41 ± 0.2 | 2.43 ± 0.3 |
a
The data are means ± standard deviations for supernatants containing the different forms of starch.