Table 2.

Differentiation characteristics of strain MUSC 93J^T and type strains of phylogenetically closely related species of the genus Streptomyces.

Characteristic	1	2	3	4
MORPHOLOGY (ON ISP 2):
Color of aerial mycelium	Light yellow	Pale greenish yellow	Yellowish white	Light yellow
Color of substrate mycelium	Vivid yellow	Vivid greenish yellow	Yellowish gray	Brilliant Greenish yellow
GROWTH AT
28°C	+	(+)	(+)	+
36°C	(+)	+	+	+
pH 6	+	(+)	(+)	(+)
2% NaCl	+	(+)	+	(+)
Catalase	+	+	+	+
Hemolytic	+	−	−	−
HYDROLYSIS OF
Casein (protease)	+	−	−	+
Tributyrin (lipase)	+	−	+	+
Starch (amylolytic)	+	+	+	+
Carboxymethylcellulose (cellulase)	−	+	+	+
Xylan (xylanase)	−	−	+	−
CARBON SOURCE UTILIZATION
D-maltose	−	+	+	+
Sucrose	−	+	+	+
D-turanose	−	+	+	+
D-raffinose	+	−	+	−
α-D-lactose	−	+	+	+
β-methyl-D-glucoside	−	+	−	+
D-salicin	−	+	−	+
N-acetyl-D-glucosamine	−	+	+	+
D-fructose	−	+	+	+
L-rhamnose	−	+	−	+
D-sorbitol	−	+	+	+
myo-inositol	−	+	+	+
Pectin	−	+	+	+
Methyl pyruvate	−	+	+	+
D-lactic acid methyl ester	−	+	+	+
Citric acid	−	+	+	+
α-keto-glutaric acid	−	+	+	+
D-malic acid	−	+	+	+
L-malic acid	−	+	+	+
Bromo-succinic acid	−	+	+	+
Propionic acid	−	+	+	+
Acetic acid	−	+	+	+
Formic acid	−	+	+	+

Strains: 1, Streptomyces colonosanans MUSC 93J^T; 2, Streptomyces malachitofuscus JCM 4493^T; 3, Streptomyces misionensis NBRC 13063^T; 4, Streptomyces phaeoluteichromatogenes DSM 41898^T. All data were obtained concurrently in this study. +, Positive; -, negative; (+), weak.

All strains are positive for utilization of Dextrin, D-trehalose, D-cellobiose, Gentiobiose, α-D-glucose, D-mannose, D-galactose, glycerol, D-glucose-6-PO4, D-fructose-6-PO4, Gelatin, D-galacturonic acid, L-galactonic acid lactone, D-gluconic acid, D-glucuronic acid, Glucuronamide, p-hydroxy-phenylacetic acid, L-lactic acid, Tween 40, γ-amino-butyric acid, α-hydroxy-butyric acid, β-hydroxy-D,L-butyric acid, α-keto-butyric acid, and acetoacetic acid. All strains are negative for assimilation of 3-methyl glucose.