Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Physiological and biochemical characteristics of the strain YYS-7.
| Characteristic | Result |
| Physiological | |
| pH range for growth | 4–10 |
| Optimum pH for growth | 7 |
| NaCl tolerance | Up to 5 |
| Biochemical | |
| Starch hydrolysis | + |
| Gelatin hydrolysis | + |
| Cellulose hydrolysis | - |
| Nitrate reduction | + |
| H2S production | + |
| Urease test | + |
| Twain 20 | + |
| Twain 40 | - |
| Twain 80 | - |
| M-R test | - |
| V-P test | - |
