Research Article
Antagonistic Potential of Soil Streptomyces Isolates from Southern Thailand to Inhibit Foodborne Bacterial Pathogens
Table 3
Morphological features and biochemical characteristics of presumptive Streptomyces isolates.
| | Isolates | Morphological and cultural characteristics | Biochemical testa | | Aerial mass color | Spore arrangement | Gram stain | Catalase reaction | Indole production | Citrate degradation | H2S production | Urease hydrolysis | Motility test | LDC test |
| | 7BAC-1 | White | Spiral | + | + | − | + | − | + | − | − | | 11BAC-1 | Gray | Rectiflexibile | + | + | − | − | − | − | − | − | | 5BAC-6 | Gray | Rectiflexibile | + | + | − | − | − | − | − | − | | 1BAC-7 | Gray | Spiral | + | + | − | + | − | + | − | − | | 11BAC-7 | Gray | Spiral | + | + | − | + | − | + | − | − | | 12BAC-7 | Gray | Spiral | + | + | − | + | − | + | − | − | | 16BAC-7 | Gray | Spiral | + | + | − | + | − | + | − | − | | 9BAC-9 | Gray | Retinaculiaperti | + | + | − | + | − | + | − | − | | 2BAC-10 | Gray | Retinaculiaperti | + | + | − | − | − | + | − | − | | 9TAK-1 | White | Retinaculiaperti | + | + | − | − | − | − | − | − | | 1TAK-3 | White | Spiral | + | + | − | − | − | − | − | − | | 4TAK-5 | White | Retinaculiaperti | + | + | − | + | − | + | − | − | | 9TAK-5 | White | Rectiflexibile | + | + | − | + | − | + | − | − | | 11TAK-6 | Yellow | Retinaculiaperti | + | + | − | − | − | + | − | − | | 1TAK-8 | Gray | Retinaculiaperti | + | + | − | + | − | + | − | − | | 2TAK-8 | Orange | Retinaculiaperti | + | + | − | − | − | + | − | − | | 1YIN-1 | White | Retinaculiaperti | + | + | − | − | − | − | − | − | | 4YIN-2 | Yellow | Rectiflexibile | + | + | − | − | − | − | − | − | | 5YIN-2 | Yellow | Spiral | + | + | − | − | − | − | − | − |
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a+: positive; −: negative; LDC test: lysine decarboxylase test.
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