Table 2. Top-25 identified lipids of greatest significant difference in signal intensity between L. acidophilus and L. gasseri.
| Lipid Species | Exp Mass | Ion | Fold-Difference | p-value | Elevated Expression | Additional Isomeric Identifications | |
|---|---|---|---|---|---|---|---|
| DG(18:1/20:1) | 666.6038 | [M+NH4]+ | 1 | 697.5 | 4.29E-12 | L. acidophilus | |
| DG(18:3/19:0) | 650.5719 | [M+NH4]+ | 1 | 15.1 | 4.29E-12 | L. acidophilus | DG(17:1/20:2) | DG(17:2/20:1) |
| DG(18:2/19:0) | 652.5879 | [M+NH4]+ | 1 | 38.8 | 9.39E-12 | L. acidophilus | |
| DGDG(18:2/19:0) | 976.6933 | [M+NH4]+ | 1 | 53.6 | 4.84E-11 | L. acidophilus | DGDG(37:2) | DGDG(17:2/20:0) | DGDG(17:1/20:1) |
| DGDG(17:1/20:2) | 974.6768 | [M+NH4]+ | 1 | 78.8 | 7.28E-11 | L. acidophilus | DGDG(17:2/20:1) | DGDG(18:3/19:0) | DGDG(15:1/22:2) | DGDG(37:3) |
| BMP(19:1/18:2) | 804.5748 | [M+NH4]+ | 1 | 4.9 | 1.36E-10 | L. acidophilus | BMP(18:1/19:2) | PG(37:3) |
| DG(17:0/18:1) | 626.5724 | [M+NH4]+ | 1 | 5.9 | 1.36E-10 | L. acidophilus | |
| PG(18:1/20:1) | 820.6067 | [M+NH4]+ | 1,2 | 50.9 | 2.29E-10 | L. acidophilus | BMP(19:1/19:1) | PG(38:2) | | BMP(18:1/20:1) |
| BMP(18:0/19:1) | 808.6065 | [M+NH4]+ | 1 | 7.1 | 6.59E-10 | L. acidophilus | PG(37:1) |
| HexCer-NS(d18:1/22:1) | 782.6506 | [M+H]+ | 2 | 1.7 | 6.59E-10 | L. acidophilus | |
| DGDG(17:0/18:1) | 950.6786 | [M+NH4]+ | 1 | 5.3 | 3.92E-09 | L. acidophilus | DGDG(35:1) |
| DGDG(18:1/19:0) | 978.7096 | [M+NH4]+ | 1 | 78.7 | 5.22E-09 | L. acidophilus | DGDG(37:1) |
| DGDG(18:1/18:1) | 989.6444 | [M+HCO2]- | 1 | 10.5 | 4.35E-12 | L. gasseri | |
| PG(18:1/18:1) | 773.5359 | [M-H]- | 1,2 | 6.4 | 1.45E-11 | L. gasseri | PG(18:0/18:2) |
| PG(18:1/18:2) | 771.5200 | [M-H]- | 1,2 | 6.0 | 1.63E-11 | L. gasseri | |
| PG(18:0/18:1) | 775.5512 | [M-H]- | 1,2 | 4.1 | 2.52E-11 | L. gasseri | |
| DGDG(18:1/18:2) | 987.6286 | [M+HCO2]- | 1 | 3.9 | 5.35E-11 | L. gasseri | |
| PG(18:1/18:3) | 769.5049 | [M-H]- | 1,2 | 6.6 | 5.84E-11 | L. gasseri | PG(18:2/18:2) |
| DGDG(16:0/18:1) | 963.6285 | [M+HCO2]- | 1 | 5.1 | 9.60E-11 | L. gasseri | |
| PG(8:0/18:1) | 635.3940 | [M-H]- | 1 | 6.9 | 6.26E-10 | L. gasseri | |
| CL(36:2)(36:2) | 1475.0696 | [M+NH4]+ | 1,2 | 30.0 | 1.13E-09 | L. gasseri | CL(36:1)(36:3) |
| PG(12:0/18:1) | 691.4572 | [M-H]- | 1 | 3.5 | 1.90E-09 | L. gasseri | |
| HexCer-NS(d18:1/18:1) | 726.5886 | [M+H]+ | 2 | 50.3 | 2.76E-09 | L. gasseri | |
| PG(16:1/18:1) | 745.5043 | [M-H]- | 1 | 6.7 | 5.28E-09 | L. gasseri | PG(16:0/18:2) |
| CL(18:1/18:1/18:1/18:1) | 727.5119 | [M-2H]2- | 1,2 | 4.2 | 7.17E-09 | L. gasseri | |
Detection: 1 = Data-Dependent (top 5) MS/MS fragment m/z match, 2 = All-Ion-Fragmentation MS/MS fragment m/z match