Table 1.
A table of altered metabolites identified in mussels from site LMMB1 in comparison to the reference site (LMMB5)
| Metabolites | Changesa | Analysisb | Bucketc (ppm) | p valued (FDR Corr) | Metabolic pathways |
|---|---|---|---|---|---|
| Amino Acids | |||||
| Arg | ↑ | U/M | 1.658 | 3.16E−11 | Amino acid metabolism, urea cycle, Phosphagen biosynthesis |
| Gly | ↑ | U/M | 3.563 | 2.94E−04 | Amino acid metabolism, osmotic regulation, GSH metabolism |
| Leu | ↑ | U/M | 0.953 | 6.30E−06 | Amino acid metabolism |
| Gln | ↓ | U/M | 2.468 | 3.32E−07 | Amino acid metabolism, purine metabolism, |
| Glu | ↑ | U | 2.343 | 1.03E−05 | Amino acid metabolism, purine metabolism |
| His | ↑ | U | 8.003 | 6.76E−07 | Amino acid metabolism |
| Phe | ↑ | U | 7.443 | 7.62E−10 | Amino acid metabolism |
| Tyr | ↑ | U | 6.903 | 5.50E−04 | Amino acid metabolism |
| Sarcosine | ↓ | U/M | 2.728 | 6.03E−07 | Amino acid metabolism, osmotic regulation |
| Ornithine | ↑ | U/M | 1.938 | 1.87E−10 | Amino acid metabolism, urea cycle, |
| Nucleotide | |||||
| ATP/ADP | ↓ | M | 8.548 | 4.89E−01 | Purine metabolism |
| Adenosine | ↑ | U/M | 8.358 | 1.32E−03 | Purine metabolism |
| AMP | ↑ | M | 9.613 | 1.52E−01 | Purine metabolism |
| NADH | ↑ | U/M | 8.248 | 1.07E−03 | |
| Uridine | ↑ | U | 7.873 | 1.89E−07 | Pyrimidine metabolism |
| UDP-N-acetylglucosamine | ↑ | U | 7.953 | 6.48E−07 | |
| Carbohydrates | |||||
| Glycogen | ↓ | M | 5.418 | 4.17E−01 | |
| Osmolytes/organic compounds | |||||
| Betaine | ↑ | U/M | 3.273 | 8.67E−12 | Amino acid metabolism, osmotic regulation |
| Trimethylamine | ↓ | U/M | 2.878 | 1.24E−02 | |
| Putrescine | ↓ | U/M | 3.053 | 1.40E−03 | Polyamine biosynthesis |
| Choline | ↑ | U/M | 3.208 | 8.02E−04 | Glycerophospholipid metabolism |
| Glycerophosphocholine | ↑ | U/M | 3.223 | 2.68E−08 | Glycerophospholipid metabolism |
| Phosphocholine | ↑ | U/M | 3.228 | 1.67E−07 | Glycerophospholipid metabolism |
| Other | |||||
| Methyl-4-aminobutyrate | ↓ | U/M | 1.973 | 2.35E−04 | |
| Unknown B | ↓ | U/M | 1.258 | 3.03E−06 | |
| Unknown C | ↑ | U/M | 3.118 | 8.60E−03 | |
Significant changes are shown in bold
aThe symbol ↑ indicates increased levels at the LMMB1 site compared to the reference site (LMMB5)
bThe type of statistical analysis used to identify the altered metabolites U—univariate and M—multivariate analysis
cThe chemical shift of the bucket used for the p value calculation
dThe FDR corrected alpha value for the corresponding buckets