Enhanced Isolation of Streptomyces from Different Soil Habitats in Calamba City, Laguna, Philippines using a Modified Integrated Approach

Table 2

Biochemical characteristics of the Streptomyces isolates.

Biochemical tests	Results
Catalase	+
Motility	−
Urease	V (+: 62%/−: 38%)
H2S production	V (+: 36%/−: 64%)
Nitrate reduction	V (+: 92%/−: 8%)
Indole production	−
Methyl red	V (+: 31%/−: 69%)
Voges-Proskauer	V (+: 1%/−: 99%)
Citrate utilization	V (+: 82%/−: 18%)
Gas production	V (+: 13%/−: 87%)
Melanoid pigment production	V (+: 14%/−: 86%)
Utilization of carbon sources
Glucose	+
Lactose	V (+: 69%/−: 31%)
Sucrose	V (+: 69%/−: 31%)

V: variable.