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Table 4 Differential metabolites were discovered by PLS-DA

From: Comprehensive molecular characterization of Methylobacterium extorquens AM1 adapted for 1-butanol tolerance

GC-MS compound Match value/elemental composition m/z Retention time (min) Peak abundance
Wild-type BHBT5
Cellobiose 884 361, 217, 204 38.46 NA 1.85E+06
Trehalose 830 331, 191 37.11 NA 3.61E+05
Mannose 910 387, 357 32.61 NA 1.70E+06
LC–MS compound
 Unknown C20H33NO3 336.2534 2.66 NA 1.38E+06
 Unknown C16H30N2O3 299.2335 2.82 NA 8.83E+04
 Unknown C14H27N3 238.2277 14.00 NA 1.40E+05
 Unknown C10H19NO3 202.1438 2.49 NA 2.27E+05
 Unknown C10H19NO3 200.1296 2.53 NA 6.20E+05
Analog of farnesol C12H20O2 197.1535, 179.1447 3.42 2.57E + 05 NA
  1. The wild-type and BHBT5 strain were grown on methanol with the addition of 0 and 0.5 % 1-butanol, respectively
  2. NA not available due to the abundance lower than the limit of detection