International Scholarly Research Notices

Research Article

Production of Alkaline Protease by Solvent-Tolerant Alkaliphilic Bacillus circulans MTCC 7942 Isolated from Hydrocarbon Contaminated Habitat: Process Parameters Optimization

Table 1

Morphological, cultural, and biochemical characteristics of UB2 strain.
CharacteristicDescription
(A) Morphological  
 ShapeRod
 Arrangement Single
 Gram stainGram positive
 Motility+
 Endospore+
 Capsule −
(B) Cultural  
 Growth temperature (°C) 
  15 −
  25 +
  37 +
  40 +
  42 +
  45 +
  55 +
  65 −
 Growth pH 
  5.0−
  6.0−
  7.0−
  8.0+
  9.0+
  10.0++
  11.0+
 NaCl (% tolerance) 
  2.5 +
  5.0−
  7.0−
  8.5 −
  10.5−
(C) Biochemical  
 Utilization of 
  Malonate +
  Ribose +
  Xylose+
  L-Arabinose−
  Glucosamine +
  Inositol−
  Glucose+
  Fructose+
  Mannitol+
  D-Sorbitol+
  Maltose+
  Trehalose+
  Melibiose −
  Sucrose+
  Cellobiose +
  Lactose −
  Melezitose −
  Raffinose −
  Inulin −
 Enzyme  
  Amylase +
  Arginine dihydrolase +
  Catalase +
  Gelatinase+
  Lysine dehydrogenase −
  Nitrate reductase−
  Ornithine decarboxylase −
  Oxidase+
  Urease−