Table 2.
Characteristic | Streptomyces sp. strain NEAE-119 | Streptomyces olivaceus |
---|---|---|
Aerial mycelium on ISP medium 2 | Grey | Grey |
Substrate mycelium on ISP medium 2 | Yellowish grey; substrate pigment is not a pH indicator | Greyed yellow; substrate pigment is not a pH indicator |
Production of diffusible pigment | No diffusible pigment | |
Spore chain morphology | Spirals, with open spirals intergrading through flexuous spore chains suggestive of section Rectiflexibiles | Spirals, with open spirals intergrading through flexuous spore chains suggestive of section Rectiflexibiles. |
Spore surface | Smooth | Smooth |
Spore shape | Spherical or oval to ellipsoidal | |
Melanin production on peptone-yeast extract iron agar (ISP 6 medium) | − | − |
Melanin production on tyrosine agar (ISP 7 medium) | − | − |
Melanin production on tryptone-yeast extract broth (ISP 1 medium) | − | |
Max NaCl tolerance (%, w/v) | 8 | |
| ||
Growth on sole carbon source (1%, w/v) | ||
D(−) Fructose | + | + |
D(+) Xylose | + | + |
D(+) Galactose | + | + |
D(+) Glucose | + | + |
L-arabinose | + | + |
Ribose | + | + |
D(+) Mannose | + | + |
Sucrose | + | + |
Maltose | + | + |
Rhamnose | + | + |
Cellulose | + | + |
Trehalose | + | + |
| ||
Enzymes | ||
Lecithinase activity | + | |
α-amylase (starch hydrolysis) | + | |
Protease | − | |
Cellulase (growth on cellulose) | + | |
Uricase | + | |
Chitosanase | + | |
Asparaginase | + | |
Reduction of nitrates to nitrite | + | |
Coagulation of milk | + | |
Peptonization of milk | + | |
| ||
Antimicrobial activities against | ||
Candida albicans, Bacillus subtilis, Escherichia coli,
Pseudomonas aeruginosa, Klebsiella pneumonia, Rhizoctonia solani, Fusarium oxysporum, Aspergillus niger. |
− | |
Staphylococcus aureus, Alternaria solani,
Bipolaris oryzae. |
+ |
+: positive; −: negative; blank cells: no data available. Growth temperature range (°C): 25–40, growth at pH 5–9.