Table 4.
Glycoside hydrolase (GH) activities detected through nitrophenyl (NP) glycosides in the extracellular compartment of selected isolates.
| (NP) Glycosides * | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Strain | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| P. extremaustralis strain 2ASSA | 27 | 202 | 8 | 2 | 836 | 122 | 30 | 8 | 24 | 46 | 8 | 569 | 591 | 9 | 5 |
| A. radioresistens strain 2A | 2 | 192 | 19 | 7 | 75 | 109 | 26 | 5 | 6 | 16 | 13 | 634 | 529 | 10 | 5 |
| P. extremaustralis strain 2ASCA | 42 | 248 | 27 | 3 | 945 | 130 | 41 | 75 | 7 | 20 | 171 | 640 | 62 | 9 | 7 |
| P. amylolyticus strain 2B | 31 | 239 | 7 | 5 | 57 | 119 | 42 | 106 | 204 | 33 | 22 | 608 | 640 | 9 | 7 |
| S. glacialis strain 2BG | 10 | 185 | 3 | 6 | 13 | 363 | 38 | 13 | 5 | 951 | 3 | 533 | 353 | 4 | 6 |
| P. fluorescens strains 2CSB | 19 | 199 | 18 | 7 | 7 | 589 | 205 | 6 | 8 | 79 | 16 | 539 | 111 | 6 | 7 |
| P. yamanorum strain 2C | 4 | 232 | 3 | 9 | 3 | 117 | 263 | 3 | 181 | 25 | 3 | 189 | 106 | 5 | 10 |
| P. fluorescens strains 2CS2 | 29 | 286 | 11 | 57 | 6 | 111 | 29 | 1 | 180 | 19 | 5 | 512 | 603 | 6 | 4 |
Units of GH activities, expressed as µmol of pNP released under the assay conditions. * 1 = p-nitrophenyl α-d-galactopyranoside; 2 = p-nitrophenyl β-d-galactopyranoside; 3 = o-nitrophenyl α-d-galactopyranoside; 4 = o-nitrophenyl β-d-galactopyranoside; 5 = p-nitrophenyl α-d-glucopyranoside; 6 = p-nitrophenyl β-d-glucopyranoside; 7 = o-nitrophenyl β-d-glucopyranoside, 8 = p-nitrophenyl α-d-maltoside; 9 = p-nitrophenyl β-d-maltoside; 10 = p-nitrophenyl α-l-arabinofuranoside; 11 = p-nitrophenyl α-l-arabinopyranoside; 12 = p-nitrophenyl β-d-xylopyranoside; 13 = p-nitrophenyl β-d-cellobioside; 14 = o-nitrophenyl β-d-cellobioside; 15 = p-nitrophenyl β-d-lactopyranoside. All values are averages of two determinations.