Table 4.
Potential phorate-specific differential abundant markers of Lactobacillus plantarum P9.
| No.# | Molecular name | Molecular formula | Retention time | m/z | Fold change∗ | VIP value | Metabolic pathways |
|---|---|---|---|---|---|---|---|
| P1 | Dimethyl hexadecylphosphonate | C18H39O3P | 19.99 | 335.2805 | 3676.1000 | 1.17 | – |
| P2 | Sphinganin | C18H39NO2 | 12.07 | 302.3056 | 5.9112 | 3.36 | Glycosphingolipid metabolism |
| P3 | 5,8-Icosadienoic acid | C20H36O2 | 18.24 | 309.2796 | 4.8346 | 5.13 | – |
| P4 | 4,4-Dimethoxy-2,5-cyclohexadien-1-one | C8H10O3 | 19.20 | 155.1070 | 7547.5000 | 1.63 | – |
| P5 | Citric acid | C6H8O7 | 8.89 | 193.0501 | 6.9857 | 1.52 | Citric acid cycle |
| P6 | Malic acid | C4H6O5 | 12.40 | 135.0795 | 11.7050 | 2.26 | Citric acid cycle |
| P7 | O,O,O-Tris(2-methylphenyl) thiophosphate | C21H21O3PS | 8.94 | 385.0913 | 6.3126 | 2.28 | – |
| P8 | Succinic acid | C4H6O4 | 12.40 | 119.0836 | 12.4630 | 3.14 | Citric acid cycle |
| P9 | 11-Mercaptoundecanol | C11H24OS | 19.10 | 205.1967 | 3775.3000 | 1.14 | – |
| P10 | Alanylphenylalanine | C12H16N2O3 | 8.95 | 237.0767 | 8.3566 | 1.45 | – |
| P11 | (2,2-Diethoxyethoxy)benzene | C12H18O3 | 19.28 | 211.1573 | 3781.5000 | 1.12 | – |
| P12 | N,N-Dimethyl-N-(3-sulfopropyl)-1-tetradecanaminium | C19H42NO3S | 18.99 | 366.3727 | 6323.6000 | 1.44 | – |
| P13 | 18-Pentatriacontanyl Dihydrogen phosphate | C35H73O4P | 18.12 | 589.5542 | 7572.3000 | 1.57 | – |
| P14 | 5,8-Icosadienoic acid | C20H36O2 | 16.53 | 309.2791 | 5805.5000 | 1.37 | – |
| P15 | Tripentylphosphine oxide | C15H33OP | 18.23 | 261.2585 | 3517.4000 | 1.06 | – |
| P16 | Oleic (cis-9-octadecenoic) acid | C18H34O2 | 18.77 | 283.2645 | <0.0001 | 2.01 | Fatty acid biosynthesis |
| P17 | N-Pentadecanoyl-L-tyrosine | C24H39NO4 | 19.56 | 406.3284 | 0.2866 | 4.28 | – |
| P18 | N-(2-Hydroxyethyl)-5,8,11,14-icosatetraenamide | C22H37NO2 | 18.23 | 348.3065 | 0.0003 | 1.01 | – |
| P19 | 2-Isopropylmalate | C7H12O5 | 19.09 | 177.113 | 0.0002 | 1.35 | Biosynthesis of amino acids |
| P20 | 9,12-Dioxooctadecanoic acid | C18H32O4 | 19.45 | 313.2729 | 0.0002 | 1.27 | – |
| P21 | L-Isoleucyl-L-lysyl-L-valyl-L-alanyl-L-valine | C25H48N6O6 | 20.71 | 529.4089 | 0.0002 | 1.30 | – |
| P22 | 2,4,6-Octatrienoic acid | C8H10O2 | 18.78 | 139.1106 | 0.0001 | 1.70 | – |
| N1 | Diphosphate | O7P2 | 3.61 | 172.9489 | 613.3600 | 1.02 | Citric acid cycle/Purine metabolism |
| N2 | Citric acid | C6H8O7 | 5.46 | 191.0525 | 634.5700 | 1.02 | Citric acid cycle |
| N3 | Phosphocreatine | C5H11N2O5P | 6.28 | 209.0636 | 3406.0000 | 2.42 | Arginine and proline metabolism |
| N4 | 2-Phosphoglycolic acid | C2H5O6P | 7.03 | 154.9448 | 623.5100 | 1.09 | – |
| N5 | (2S)-2-Hydroxy-3-(phosphonooxy)propyl hexanoate | C9H19O7P | 13.01 | 269.0324 | 8.3203 | 1.94 | – |
| N7 | 1-Palmitoyl lysophosphatidic acid | C19H39O7P | 16.69 | 409.2444 | 699.9600 | 1.08 | – |
| N8 | Phosphonoacetaldehyde | C2H5O4P | 14.70 | 122.9873 | 0.0016 | 1.05 | Phosphonate and phosphinate metabolism |
| N9 | Cystine | C6H12N2O4S2 | 20.90 | 239.0562 | 0.0019 | 1.00 | Cysteine and methionine metabolism |
#P1-P22 and N1-N2 represent the compounds identified by positive and negative ion modes, respectively. ∗The fold change value is the ratio of signal intensity between cells grown with and without phorate.
“–” Means that the identified compound does not belong to any known metabolic pathways.