Character Reaction   Morphological characteristics   Gram stain + Cell shape Short rods Spore + (Central) Salinity tolerance:   5 g/l + 30 g/l + 70 g/l + Growth at:   55°C + 60°C - Hydrolysis of:   Casein + Gelatin + Starch - Biochemical characteristics:   Voges-Proskauer (VP) test - Nitrate reductase + Methyl red (MR) - Catalase + Gas from glucose - Egg yolk lecithinase - Formation of indole - Acid from:   Glucose + Arabinose - Xylose - Mannitol + Maltose - Lactose - Sucrose + Motility Motile O-F test Fermentative Gelatin liquefaction + Urease - Citrate utilization +

Table 1: Some morphological, physiological, and biochemical characteristics of the most potent protease-producing isolate.