Table 2 Biochemical profiles of the 68 native Bt isolates from Saudi Arabia using the API 50CH system. The percentage of isolates actively metabolizing different substrates is indicated
100% positive | > 90% positive | 10–90% positive | < 10% positive | 100% negative |
|---|---|---|---|---|
L-Tryptophane | L-Arginine (99) | Citrate (25) | Rhamnose (4) | L-Lysine |
Gelatin | Glucose (95) | Sodium pyruvate (69) | ONPG (1) | L-Ornithine |
Esculin | Mannitol (45) | Sodium thiosulfate | ||
Inositol (44) | Urea | |||
Sucrose (65) | Indole | |||
Sorbitol (39) | Salicin | |||
Starch (75) | Melibiose | |||
Nitrate (62) | Arabinose |