TABLE 2.
PTS, NAG uptake, and chitobiase activity for bacterial isolates
| Isolatea | PTSb | NAG uptake (amol cell−1 h−1) | Chitobiase activity (amol cell−1 h−1) | Chitobiase/NAG uptake |
|---|---|---|---|---|
| BB2AT1 (α) | NDc | 7.3 | 14 | 2 |
| BBFL1 (α) | + | 23.8 | 4,355 | 183 |
| Km1 (CFB) | + | 12.0 | 2,553 | 213 |
| F3 (CFB) | ND | (0.03) | 29 | 967 |
| TW6 (γ) | + | 52.5 | 4,134 | 79 |
| LHAT4 (γ) | + | 23.4 | 6,950 | 297 |
| S-5 (γ) | + | 19.8 | 10,375 | 524 |
| SB3 (γ) | + | 14.0 | 15,849 | 1,132 |
| V. cholerae (γ) | + | 15.3 | 13,581 | 888 |
| JSL 12-2 (γ) | + | 0.5 | 487 | 974 |
| LHFL1 (γ) | − | 0.0 | 231 | |
| SWAT1 (γ) | − | (0.04) | 0 |
a
α, α-Proteobacteria; γ, γ-Proteobacteria; CFB, Cytophaga-Flavobacterium-Bacteroides.
b
PTS assays were performed in experiments separate from the NAG uptake at chitobiase activity experiment. Standard deviations were always below 10%.
c
ND, not determined.