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Table 4 The band area values of various functional groups and protein/lipid ratio values in  Acidovorax oryzae  (Ao) and  Acidovorax citrulli  (Ac) strains

From: Differentiation in MALDI-TOF MS and FTIR spectra between two closely related species Acidovorax oryzae and Acidovorax citrulli

Functional groups Ao (n = 10) Ac (n = 10) P-value
Band area value
CH3 asymmetric stretching 0.152 ± 0.002 0.183 ± 0.010 *
CH3 symmetric stretching 0.053 ± 0.004 0.036 ± 0.002 *
Amide I 3.603 ± 0.021 1.668 ± 0.036 ***
Amide II 1.931 ± 0.012 1.150 ± 0.011 **
PO2- asymmetric stretching 0.379 ± 0.062 0.801 ± 0.008 **
PO2- symmetric stretching 1.061 ± 0.051 1.182 ± 0.036 **
Protein/lipids ratio
CH3 symmetric/CH3 asymmetric 0.349 ± 0.044 0.196 ± 0.015 ***
DNA/Protein ratio
PO2- asymmetric/Amide II 0.196 ± 0.006 0.697 ± 0.007 ***
  1. Data are the mean of the 10 strains. *: p < 0.05, **: p < 0.01, ***: p < 0.001.