Purification and Characterization of Bioactive Metabolite from Streptomyces monomycini RVE129 Derived from the Rift Valley Soil of Hawassa, Ethiopia

Table 2

Morphological, biochemical, and physiological characteristics of strain RVE129.

Characteristics	Result	Characteristics	Result
Microscopic examination		Indole	—
Gram reaction	+	Voges-Proskauer	—
Spore chain morphology	Rectiflexible	Carbon utilization
Motility	Nonmotile	Inositol	—
Growth	Aerobic	Mannose	+
Physiological characteristics		Xylose	±
Temperature range for growth	20-40°C	Adonitol	±
Optimum temperature	30°C	Fructose	+
pH range for growth	4 to 10	Sucrose	+
Optimum pH for growth	7	Sorbitol	+
NaCl tolerance range	0-5%	Trehalose	+
Optimum NaCl (%) for growth	2.5%	Arabinose	—
Biochemical characters		Lactose	+
Melanin production	—	Galactose	+
Nitrate reduction	—	Maltose	+
Catalase production	+	Mannitol	+
Urease production	+	Glucose	+
Esculin degradation	+	Cellulose	±
H2S production	+	Starch	+
Citrate utilization	+	Fructose	+
Casein hydrolysis	+	Rhamnose	—
Oxidase production	—
Gelatin hydrolysis	+

+: positive; ±: doubtful/poor; −: negative.