Test | Result | Test | Result |
---|---|---|---|
a. Colony morphology | Â | Â | |
Configuration | Round | 37 °C | + |
Margin | Entire | 42 °C | + |
Elevation | Raised | 55 °C | − |
Surface | Smooth | Â | Â |
Pigment | White | c. Growth at pH | |
Opacity | Opaque | 5 | + |
Gram's reaction | + | 6 | + |
Cell shape | Cocci | 7 | + |
Size (µm) | 1.2–1.4 µm | 8 | + |
Spore(s) | − | 9 | + |
Motility | − | 10.5 | + |
b. Growth at temperature | d. Growth in NaCl (%) | ||
4 °C | − | 2 | + |
15 °C | + | 4 | + |
20 °C | + | 6 | + |
30 °C | + | 10 | + |