TABLE 2.

Activities of starch-degrading enzymes in culture supernatant extracts from 11 bacterial strains grown in basal media containing various carbon sources

SpeciesStrainActivities (μmol reduced sugar produced h−1 mg of protein−1) with the following carbon sourcesa:
Starch (potato)Amylopectin (potato)Pullulan
B. breveUCC 20031.22 ± 0.51.87 ± 0.22.04 ± 0.4
B. breveNCFB 22581.10 ± 0.21.76 ± 0.62.13 ± 0.4
B. breveCCUG 344051.35 ± 0.21.47 ± 0.11.84 ± 0.2
B. breveCCUG 438781.22 ± 0.31.76 ± 0.41.95 ± 0.1
B. breveJCM 70190.95 ± 0.51.15 ± 0.21.42 ± 0.3
B. infantisCCUG 458681.13 ± 0.31.36 ± 0.31.78 ± 0.6
B. dentiumNCFB 22430.99 ± 0.31.48 ± 0.61.73 ± 0.1
B. pseudolongumNCIMB 22441.15 ± 0.41.75 ± 0.60.88 ± 0.7
B. pseudolongumDSM 200950.96 ± 0.41.59 ± 0.32.35 ± 0.2
B. pseudolongum subsp. globosumDSM 200920.84 ± 0.11.38 ± 0.22.15 ± 0.3
B. thermophilumJCM 70270.95 ± 0.51.41 ± 0.22.43 ± 0.3
  • a The data are means ± standard deviations for supernatants containing the different forms of starch.