| Mutant Strain Number |
Ornithine |
Citrulline |
Arginine |
| Group I |
+ |
+ |
+ |
| Group II |
− |
+ |
+ |
| Group III |
− |
− |
+ |
| Note: A plus sign (+) indicates growth; a minus sign (−) indicates no growth. |
Table 15.1: Growth of arginine auxotrophic mutants on minimal medium with various supplements