TABLE 2.
Accumulation of UDP-linked cell wall precursors during Nonomuraea sp. ATCC 39727 growth in vegetative medium
| Inducer | UDP-muramyl pentapeptide (A)a | UDP-muramyl tetrapeptide (B) | B/A ratio |
|---|---|---|---|
| None | 15.4 × 105 | 49.2 × 105 | 3.2 |
| A40926 | 99.9 × 104 | 91.7 × 105 | 9.2 |
| Teicoplanin | 84 × 104 | 70.7 × 105 | 8.5 |
| Vancomycin | 48 × 104 | 28 × 105 | 5.83 |
a
A and B give the area values (calculated as intensity of total ion current per second) of the LC-MS peaks eluting at 12.56 and 13.40 min (25), corresponding to the tetrapeptide and pentapeptide precursors, respectively.