Table 2.
Majormolecular species of Romboutsia diacylglycerol and phospholipids seen by negative ion ESI/MS.
| Major molecular speciesa | [M-H]−b | R. lituseburensis | R. ilealis | strain FRIFI |
|---|---|---|---|---|
| DAG, 31:1 | 587.443 | + | + | + |
| DAG, 32:1 | 601.459 | + | + | + |
| DAG, 33:1 | 615.474 | + | + | + |
| DAG, 34:1 | 629.490 | + | + | + |
| DAG, 35:1 | 643.505 | + | + | |
| PA, 31:0 | 633.449 | c | + | |
| PA 32:1 | 645.450 | c | + | + |
| PA 33:1 | 659.465 | c | + | |
| PA 33:0 | 661.481 | c | + | |
| PA 34:1 | 673.481 | c | + | + |
| PA 34:0 | 675.496 | c | + | |
| PA 35:1 | 687.497 | c | + | + |
| PG 32:1 | 719.488a | + | + | + |
| PG 33:1 | 733.503 | + | + | + |
| PG 34:1 | 747.518 | + | + | + |
| PG 35:1 | 761.533 | + | + | |
| CL 60:1 | 1293.886 | + | ||
| CL 61:1 | 1307.902 | + | ||
| CL 63:2 | 1333.916 | + | + | |
| CL 64:2 | 1347.933 | + | + | + |
| CL 65:2 | 1361.949 | + | + | + |
| CL 66:2 | 1375.964 | + | + | + |
| CL 67:2 | 1389.980 | + | ||
| CL 68:2 | 1403.995 | + | + | |
| CL 69:1 | 1418.011 | + | ||
| CL 69:3 | 1415.996 | + | ||
| Lysyl-PG 31:1 | 833.563 | + | ||
| Lysyl-PG 32:1 | 847.578 | + | + | |
| Lysyl-PG 33:1 | 861.540 | + | + | |
| Lysyl-PG 34:1 | 875.610 | + | + | |
| Lysyl-PG 35:2 | 887.611 | + | ||
| Lysyl-PG 35:1 | 889.625 | + | + |
a
DAG, diacylglycerol; PA, phosphatidic acid; PG, phosphatidylglycerol; CL, cardiolipin.
b
These m/z values are for strain FRIFI. The values for other species may vary slightly.
c
Although PA has been detected in R. lituseburensis nomass spectral data are available.