Table 1. Quantification of extracellular enzymes produced by Xcc strains*.
| Strains | Protease (A366) | Endoglucanase (U) | Amylase (U) | Pectate lyase (U) |
|---|---|---|---|---|
| 8004 (wild type) | 0.22 ± 0.02a | 0.62 ± 0.07a | 0.42 ± 0.05a | 0.68 ± 0.04a |
| 2736nk (hpaR1 mutant) | 0.12 ± 0.02b | 0.45 ± 0.03b | 0.32 ± 0.02b | 0.32 ± 0.03b |
| C2736 (complemented strain) | 0.24 ± 0.03a | 0.68 ± 0.05a | 0.45 ± 0.04a | 0.65 ± 0.06a |
*Data are the mean ± standard deviation of triplicate measurements; the different letters in each data column indicate significant differences at P = 0.01. The experiment was repeated twice and similar results were obtained.