Table 2.
Non‐intact polar lipid metabolites identified within Prochlorococcus vesicles.
| Compound name | Fraction | Compound class | MIT9312 vesicles | MIT9313 vesicles | Confidence level | m/z | RT (min) |
|---|---|---|---|---|---|---|---|
| Triose | HILICAqNeg | Sugar | + | + | 3a | 503.1629 | 13.6 |
| Tetraose | HILICAqNeg | Sugar | + | + | 3a | 665.2164 | 14.4 |
| Phylloquinone (Vitamin K1) | RPOrgPos | Electron transfer | + | + | 1 | 451.3572 | 14.6 |
| Carotene | RPOrgPos | Pigment | + | + | 1 | 536.4371 | 16.1 |
| Protoporphyrin | RPOrgPos | Pigment or cyt‐c precursor | + | + | 2 | 563.2656 | 12.8 |
| 1‐Lauroyl‐glycerol (C12) | RPOrgPos | Lipid | + | + | 2 | 257.2111 | 11.7 |
| 1‐Myristoyl‐glycerol (C14) | RPOrgPos | Lipid | + | + | 2 | 285.2423 | 13.2 |
| Beta‐Apo‐12'‐carotenal | RPOrgPos | Pigment oxidation product | + | + | 3b | 351.2682 | 13.5 |
| Apo‐12'‐zeaxanthinal | RPOrgPos | Pigment oxidation product | + | + | 3b | 367.2633 | 12.0 |
| Beta‐Apo‐10'‐carotenal | RPOrgPos | Pigment oxidation product | + | + | 3b | 377.2839 | 13.8 |
| Apo‐10'‐zeaxanthinal | RPOrgPos | Pigment oxidation product | + | + | 3b | 393.2785 | 12.4 |
For details on analytical fractions and confidence level assessments, see Methods and Supplementary Information. + = detected.