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. 2013 Apr 23;7:9. doi: 10.3389/fnsys.2013.00009

Table A1.

Anionic metabolites detected from cerebrum in GF mice and Ex-GF mice.

ID HMT DB
Relative area§
Comparative analysis
Compound name KEGG ID HMDB ID Germ-free
SPF
Germ-free
SPF
SPF vs. Germ-free
GF1 GF2 GF3 Ex-GF1 Ex-GF2 Ex-GF3 Mean SD Mean SD Ratio1 p-Value2
A_0052 2,3-Diphosphoglyceric acid C01159 HMDB01294 7.6E-05 6.7E-05 1.2E-04 1.5E-04 1.3E-04 2.0E-04 8.7E-05 2.7E-05 1.6E-04 4.0E-05 1.853 0.064
A_0007 2-Hydroxyisobutyric acid HMDB00729 1.3E-04 1.6E-04 1.8E-04 3.0E-04 2.2E-04 2.1E-04 1.6E-04 2.3E-05 2.4E-04 4.7E-05 1.525 0.073
A_0041 Phosphocreatine C02305 HMDB01511 1.1E-04 1.1E-04 9.9E-05 1.8E-04 1.6E-04 1.1E-04 1.1E-04 7.2E-06 1.5E-04 3.5E-05 1.430 0.146
A_0015 5-Oxoproline C01879 HMDB00267 1.9E-03 1.0E-03 5.4E-04 2.5E-03 1.6E-03 7.5E-04 1.1E-03 6.9E-04 1.6E-03 8.6E-04 1.398 0.517
A_0088 ADP-ribose C00301 HMDB01178 2.2E-04 2.3E-04 3.8E-04 2.6E-04 3.8E-04 4.1E-04 2.7E-04 9.0E-05 3.5E-04 7.8E-05 1.272 0.338
A_0044 Ribose 5-phosphate C00117 HMDB01548 1.1E-04 1.1E-04 1.1E-04 1.3E-04 1.4E-04 1.2E-04 1.1E-04 3.2E-06 1.3E-04 9.1E-06 1.190 0.044 *
A_0037 Isocitric acid C00311 HMDB00193 1.1E-04 1.7E-04 1.2E-04 1.3E-04 1.5E-04 1.9E-04 1.3E-04 3.1E-05 1.6E-04 3.1E-05 1.189 0.377
A_0087 GTP C00044 HMDB01273 4.1E-04 3.9E-04 5.3E-04 6.2E-04 4.7E-04 4.6E-04 4.5E-04 7.9E-05 5.2E-04 9.0E-05 1.167 0.345
A_0067 NADPH_divalent C00005 HMDB00221 5.4E-05 7.7E-05 7.4E-05 8.5E-05 6.9E-05 8.5E-05 6.8E-05 1.2E-05 8.0E-05 9.4E-06 1.166 0.281
A_0013 2-Hydroxyvaleric acid HMDB01863 1.5E-04 1.7E-04 1.1E-04 1.9E-04 1.3E-04 1.9E-04 1.5E-04 2.8E-05 1.7E-04 3.3E-05 1.162 0.397
A_0036 Citric acid C00158 HMDB00094 6.3E-03 7.2E-03 6.3E-03 9.3E-03 5.7E-03 7.8E-03 6.6E-03 5.3E-04 7.6E-03 1.8E-03 1.153 0.433
A_0032 Homovanillic acid C05582 HMDB00118 9.4E-05 1.6E-04 1.6E-04 1.5E-04 1.6E-04 1.5E-04 1.4E-04 3.8E-05 1.5E-04 5.1E-06 1.109 0.568
A_0048 myo-Inositol 1-phosphate myo-Inositol 3-phosphate C01177
C04006
HMDB00213
HMDB06814
6.6E-04 6.0E-04 5.5E-04 7.3E-04 5.9E-04 6.7E-04 6.0E-04 5.8E-05 6.6E-04 6.7E-05 1.098 0.317
A_0025 Uric acid C00366 HMDB00289 6.0E-05 7.8E-05 5.9E-05 6.3E-05 7.8E-05 6.9E-05 6.6E-05 1.1E-05 7.0E-05 7.9E-06 1.068 0.592
A_0074 Acetyl CoA_divalent C00024 HMDB01206 5.5E-05 5.4E-05 4.6E-05 4.6E-05 5.6E-05 6.1E-05 5.2E-05 5.3E-06 5.4E-05 7.9E-06 1.048 0.677
A_0023 3-Hydroxy-3-methylglutaric acid C03761 - 3.5E-04 3.1E-04 3.0E-04 3.6E-04 3.4E-04 3.1E-04 3.2E-04 2.3E-05 3.4E-04 2.4E-05 1.047 0.479
A_0077 GDP C00035 HMDB01201 1.5E-03 1.7E-03 2.1E-03 1.9E-03 1.6E-03 2.0E-03 1.8E-03 3.1E-04 1.8E-03 2.3E-04 1.033 0.803
A_0093 UDP-N-acetyl glucosamine C00043 HMDB00290 9.1E-04 1.0E-03 1.0E-03 1.1E-03 9.5E-04 9.9E-04 9.8E-04 6.5E-05 1.0E-03 8.3E-05 1.030 0.654
A_0056 N-Acetyl glucosamine 6-phosphate C00357 HMDB01062 1.2E-04 9.6E-05 8.0E-05 1.3E-04 9.3E-05 7.4E-05 9.7E-05 1.8E-05 1.0E-04 3.0E-05 1.025 0.909
A_0083 CDP-choline C00307 HMDB01413 2.0E-04 1.8E-04 2.6E-04 2.2E-04 1.8E-04 2.4E-04 2.1E-04 4.0E-05 2.1E-04 3.1E-05 1.012 0.935
A_0002 Propionic acid C00163 HMDB00237 1.7E-04 9.9E-05 1.1E-04 1.4E-04 1.3E-04 1.0E-04 1.3E-04 4.0E-05 1.3E-04 2.1E-05 1.010 0.964
A_0092 GDP-mannose GDP-galactose C00096
C02280
HMDB01163 - 1.8E-04 2.2E-04 2.2E-04 2.1E-04 1.9E-04 2.4E-04 2.1E-04 2.3E-05 2.1E-04 2.4E-05 1.005 0.955
A_0017 Malic acid C00149, C00497, C00711 HMDB00156, HMDB00744 1.5E-02 1.6E-02 1.5E-02 1.5E-02 1.3E-02 1.7E-02 1.5E-02 6.0E-04 1.5E-02 1.8E-03 1.001 0.992
A_0010 Fumaric acid C00122 HMDB00134 1.9E-03 2.1E-03 1.9E-03 1.8E-03 1.7E-03 2.4E-03 2.0E-03 1.0E-04 2.0E-03 3.5E-04 0.997 0.977
A_0016 N-Acetyl-β-alanine C01073 5.8E-05 7.2E-05 6.8E-05 6.8E-05 6.1E-05 6.6E-05 6.6E-05 7.3E-06 6.5E-05 3.7E-06 0.987 0.870
A_0091 ADP-glucose GDP-fucose C00498
C00325
HMDB06557
HMDB01095
8.2E-05 8.5E-05 8.9E-05 9.7E-05 7.9E-05 7.8E-05 8.6E-05 3.6E-06 8.5E-05 1.0E-05 0.987 0.873
A_0035 N-Acetyl glutamic acid C00624 HMDB01138 7.1E-04 6.6E-04 6.4E-04 6.9E-04 6.6E-04 6.1E-04 6.7E-04 3.6E-05 6.5E-04 4.1E-05 0.981 0.714
A_0029 cis-Aconitic acid C00417 HMDB00072 1.6E-04 2.8E-04 1.5E-04 1.6E-04 1.9E-04 2.3E-04 2.0E-04 7.3E-05 1.9E-04 3.3E-05 0.974 0.920
A_0043 Ribulose 5-phosphate C00199, C01101 HMDB00618 2.5E-03 2.1E-03 1.7E-03 2.1E-03 2.3E-03 1.8E-03 2.1E-03 3.9E-04 2.1E-03 2.4E-04 0.969 0.817
A_0068 CoA_divalent C00010 HMDB01423 4.1E-04 4.1E-04 4.4E-04 3.8E-04 3.8E-04 4.1E-04 4.2E-04 2.0E-05 3.9E-04 2.0E-05 0.927 0.138
A_0022 Pelargonic acid C01601 HMDB00847 8.7E-05 5.5E-05 6.7E-05 5.3E-05 5.4E-05 8.7E-05 7.0E-05 1.6E-05 6.5E-05 1.9E-05 0.927 0.743
A_0006 Lactic acid C00186, C00256, C01432 HMDB00190, HMDB01311 2.9E-01 2.8E-01 3.1E-01 2.7E-01 2.5E-01 3.0E-01 3.0E-01 1.3E-02 2.7E-01 2.7E-02 0.920 0.262
A_0094 CMP-N-acetylneuraminate C00128 HMDB01176 4.7E-04 5.7E-04 5.2E-04 4.9E-04 5.4E-04 3.9E-04 5.2E-04 4.9E-05 4.7E-04 7.7E-05 0.919 0.481
A_0031 Ascorbic acid C00072 HMDB00044 3.5E-02 3.5E-02 3.2E-02 3.3E-02 2.8E-02 3.3E-02 3.4E-02 1.6E-03 3.1E-02 3.0E-03 0.918 0.255
A_0061 cAMP C00575 HMDB00058 2.7E-05 4.3E-05 3.5E-05 3.9E-05 2.3E-05 3.4E-05 3.5E-05 7.8E-06 3.2E-05 7.9E-06 0.916 0.667
A_0085 ATP C00002 HMDB00538 1.1E-03 1.1E-03 1.0E-03 1.1E-03 1.0E-03 7.9E-04 1.1E-03 3.4E-05 9.7E-04 1.7E-04 0.915 0.455
A_0070 FAD_divalent C00016 HMDB01248 5.9E-05 7.3E-05 7.6E-05 6.5E-05 6.3E-05 5.7E-05 6.9E-05 9.2E-06 6.2E-05 4.0E-06 0.890 0.288
A_0090 UDP-glucuronic acid C00167 HMDB00935 1.2E-04 1.4E-04 1.2E-04 1.1E-04 1.1E-04 1.2E-04 1.2E-04 1.3E-05 1.1E-04 4.9E-06 0.879 0.172
A_0051 Glucose 1-phosphate C00103 HMDB01586 1.5E-04 2.0E-04 2.0E-04 1.8E-04 1.3E-04 1.7E-04 1.8E-04 2.9E-05 1.6E-04 2.3E-05 0.869 0.328
A_0018 Threonic acid C01620 HMDB00943 1.2E-03 1.4E-03 1.3E-03 1.3E-03 1.0E-03 1.1E-03 1.3E-03 8.1E-05 1.1E-03 1.8E-04 0.860 0.211
A_0057 N-Acetylneuraminic acid C00270 HMDB00230 1.1E-03 1.0E-03 1.0E-03 9.2E-04 8.9E-04 8.1E-04 1.0E-03 4.3E-05 8.7E-04 5.6E-05 0.846 0.020 *
A_0014 Isethionic acid C05123 HMDB03903 8.2E-04 9.5E-04 1.1E-03 7.7E-04 8.8E-04 7.6E-04 9.5E-04 1.3E-04 8.0E-04 6.6E-05 0.846 0.172
A_0089 UDP-glucose UDP-galactose C00029
C00052
HMDB00286
HMDB00302
1.2E-03 1.5E-03 1.3E-03 1.0E-03 1.1E-03 1.3E-03 1.3E-03 1.3E-04 1.1E-03 1.1E-04 0.846 0.110
A_0030 N-Acetylaspartic acid C01042 HMDB00812 2.0E-01 2.0E-01 2.2E-01 1.8E-01 1.6E-01 1.7E-01 2.1E-01 1.0E-02 1.7E-01 8.5E-03 0.838 0.014 *
A_0073 UDP C00015 HMDB00295 1.0E-04 1.2E-04 1.2E-04 1.1E-04 8.5E-05 9.2E-05 1.2E-04 1.1E-05 9.6E-05 1.4E-05 0.833 0.135
A_0009 3-Hydroxybutyric acid C01089, C03197 HMDB00011, HMDB00357, HMDB00442 9.8E-04 1.2E-03 8.5E-04 7.7E-04 8.8E-04 8.4E-04 1.0E-03 1.6E-04 8.3E-04 5.6E-05 0.833 0.196
A_0054 Sedoheptulose 7-phosphate C05382 HMDB01068 9.5E-05 1.1E-04 1.2E-04 6.6E-05 1.0E-04 1.1E-04 1.1E-04 1.4E-05 9.1E-05 2.2E-05 0.831 0.298
A_0042 Pantothenic acid C00864 HMDB00210 4.1E-04 4.5E-04 4.5E-04 3.2E-04 3.7E-04 3.8E-04 4.4E-04 2.1E-05 3.6E-04 3.2E-05 0.819 0.029 *
A_0038 Gluconic acid C00257 HMDB00625 1.3E-04 1.1E-04 1.4E-04 1.1E-04 1.0E-04 9.8E-05 1.3E-04 1.3E-05 1.0E-04 6.6E-06 0.816 0.063
A_0040 Lauric acid C02679 HMDB00638 1.5E-04 1.2E-04 1.5E-04 1.5E-04 1.1E-04 8.5E-05 1.4E-04 1.6E-05 1.1E-04 3.2E-05 0.816 0.308
A_0064 AMP C00020 HMDB00045 1.6E-02 2.1E-02 2.3E-02 1.7E-02 1.3E-02 1.9E-02 2.0E-02 3.7E-03 1.6E-02 3.3E-03 0.810 0.248
A_0046 Biotin C00120 HMDB00030 2.1E-04 2.4E-04 2.2E-04 1.7E-04 2.0E-04 1.6E-04 2.2E-04 1.7E-05 1.8E-04 1.8E-05 0.804 0.038 *
A_0055 N-Acetylglucosamine 1-phosphate C04256 HMDB01367 1.3E-04 1.2E-04 1.2E-04 1.2E-04 9.2E-05 9.0E-05 1.3E-04 6.0E-06 1.0E-04 1.9E-05 0.803 0.147
A_0050 myo-Inositol 2-phosphate 7.5E-04 8.0E-04 9.6E-04 5.4E-04 6.3E-04 8.3E-04 8.4E-04 1.1E-04 6.7E-04 1.5E-04 0.799 0.191
A_0045 2-Deoxyglucose 6-phosphate C06369 8.4E-05 1.3E-04 6.9E-05 9.6E-05 5.2E-05 7.6E-05 9.4E-05 3.1E-05 7.4E-05 2.2E-05 0.793 0.434
A_0005 Butyric acid C00246 HMDB00039 3.9E-05 5.5E-05 7.0E-05 4.6E-05 5.0E-05 3.4E-05 5.5E-05 1.5E-05 4.3E-05 8.2E-06 0.789 0.333
A_0059 CMP C00055 HMDB00095 2.1E-04 3.5E-04 3.3E-04 2.1E-04 1.7E-04 3.0E-04 3.0E-04 7.6E-05 2.3E-04 6.8E-05 0.757 0.286
A_0076 ADP C00008 HMDB01341 4.7E-03 5.7E-03 4.9E-03 3.8E-03 3.7E-03 4.0E-03 5.1E-03 5.4E-04 3.8E-03 1.3E-04 0.755 0.050 *
A_0078 Adenylosuccinic acid C03794 HMDB00536 6.4E-04 8.0E-04 7.4E-04 4.6E-04 4.7E-04 7.1E-04 7.2E-04 8.1E-05 5.4E-04 1.4E-04 0.753 0.153
A_0019 Ethanolamine phosphate C00346 HMDB00224 1.3E-02 1.6E-02 1.8E-02 1.2E-02 1.1E-02 1.2E-02 1.6E-02 2.3E-03 1.2E-02 3.9E-04 0.743 0.091
A_0066 GMP C00144 HMDB01397 2.5E-03 3.3E-03 3.3E-03 2.1E-03 2.0E-03 2.5E-03 3.0E-03 4.8E-04 2.2E-03 2.6E-04 0.730 0.079
A_0012 Succinic acid C00042 HMDB00254 2.0E-02 2.1E-02 1.9E-02 1.5E-02 1.6E-02 1.3E-02 2.0E-02 1.3E-03 1.4E-02 1.7E-03 0.719 0.012 *
A_0021 3-Phenylpropionic acid C05629 HMDB00764 1.3E-04 1.3E-04 1.1E-04 8.6E-05 8.0E-05 9.8E-05 1.2E-04 1.3E-05 8.8E-05 9.0E-06 0.715 0.023 *
A_0095 NAD+ C00003 HMDB00902 1.3E-03 1.9E-03 1.7E-03 1.2E-03 9.6E-04 1.2E-03 1.6E-03 3.2E-04 1.1E-03 1.5E-04 0.702 0.107
A_0027 Dihydroxyacetone phosphate C00111 HMDB01473 1.9E-04 2.0E-04 2.2E-04 1.2E-04 1.7E-04 1.3E-04 2.0E-04 1.2E-05 1.4E-04 2.3E-05 0.694 0.024 *
A_0065 IMP C00130 HMDB00175 2.5E-03 2.8E-03 2.7E-03 2.1E-03 1.7E-03 1.7E-03 2.7E-03 1.7E-04 1.8E-03 2.6E-04 0.691 0.015 *
A_0008 2-Hydroxybutyric acid C05984 HMDB00008 7.5E-05 8.4E-05 9.3E-05 5.1E-05 6.7E-05 5.6E-05 8.4E-05 8.9E-06 5.8E-05 8.3E-06 0.688 0.021 *
A_0097 NADP+ C00006 HMDB00217 8.3E-05 9.0E-05 8.9E-05 7.0E-05 4.4E-05 5.7E-05 8.7E-05 3.8E-06 5.7E-05 1.3E-05 0.654 0.045 *
A_0096 NADH C00004 HMDB01487 1.9E-04 2.1E-04 2.3E-04 1.5E-04 1.5E-04 1.1E-04 2.1E-04 2.3E-05 1.3E-04 2.5E-05 0.646 0.020 *
A_0060 UMP C00105 HMDB00288 5.4E-04 1.1E-03 1.1E-03 5.4E-04 4.6E-04 7.5E-04 9.1E-04 3.3E-04 5.8E-04 1.5E-04 0.641 0.220
A_0034 3-Phosphoglyceric acid C00197 HMDB00807 6.6E-04 5.3E-04 4.7E-04 3.3E-04 3.7E-04 3.3E-04 5.5E-04 9.5E-05 3.4E-04 2.3E-05 0.620 0.055
A_0028 Glycerol 3-phosphate C00093 HMDB00126 4.0E-03 3.4E-03 3.9E-03 2.4E-03 3.5E-03 1.0E-03 3.8E-03 2.9E-04 2.3E-03 1.3E-03 0.612 0.178
A_0047 Glucose 6-phosphate C00668, C01172, C00092 HMDB01401 8.0E-05 1.0E-04 1.2E-04 5.8E-05 5.9E-05 6.4E-05 1.0E-04 2.0E-05 6.0E-05 2.9E-06 0.598 0.072
A_0049 Fructose 6-phosphate C00085 HMDB00124 2.8E-05 1.8E-05 3.4E-05 1.7E-05 1.6E-05 1.3E-05 2.7E-05 7.9E-06 1.5E-05 2.0E-06 0.574 0.122
A_0062 Fructose 1,6-diphosphate C00354 HMDB01058 4.7E-04 4.4E-04 7.2E-04 2.7E-04 3.0E-04 2.2E-04 5.4E-04 1.5E-04 2.7E-04 4.1E-05 0.491 0.079
A_0086 Taurocholic acid C05122 HMDB00036 1.2E-04 1.7E-04 1.6E-04 3.1E-05 1.4E-05 ND 1.5E-04 3.1E-05 2.3E-05 1.2E-05 0.150 0.010 **

1Ex-GF/GF ratio.

2Welch’s t-test (*p < 0.05, **p < 0.01).

ND, not detected.