TABLE 3.
Summary of metabolites observed in the culture medium of A. niger WT and D-42 strains
| Metabolite | Detection of metabolite with the following nitrogen source and straina: |
|||||||
|---|---|---|---|---|---|---|---|---|
|
l-Arginine |
Agmatine |
GB |
NH4NO3 |
|||||
| WT | D-42 | WT | D-42 | WT | D-42 | WT | D-42 | |
| l-Arginine | + | + | − | − | − | − | (+) | (+) |
| Agmatine | − | − | + | + | − | − | − | − |
| GABA | − | − | − | − | − | − | − | − |
| GB | − | − | + | + | + | + | − | − |
| GBald | − | − | + | + | − | − | − | − |
| SSA | − | − | − | − | − | − | − | − |
| l-Ornithine | − | − | − | − | − | − | (+) | (+) |
| Putrescine | − | − | − | − | − | − | − | − |
| Urea | + | − | + | + | + | + | − | − |
a
+ and −, presence and absence of the particular metabolite, respectively; (+), detection of traces. The D-42 strain does not grow on l-arginine.