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Table 2 Differentially expressed proteins in VPP, VPE, and VPX compared with VPW

From: iTRAQ-based proteomic profiling of Vibrio parahaemolyticus under various culture conditions

Accession Protein name Changes in the relative abundance of proteins
VPP /VPWa P Valueb VPE/VPW P Value VPX/VPW P Value GO
F3RNX0 Glycerol kinase 2.109↑c 0.048 0.425 0.007 0.233 2.0E-04 glycerol catabolic process
E1DA96 Isocitrate dehydroge nase, ADP-dependent 2.399↑ 0.026 2.377↑ 1.38E-06 0.071 1.1E-06 tricarboxylic acid cycle
L0HV77 30S ribosomal protein S4 0.308 0.006 2.679↑ 0.007 0.302 4.0 E-04 translation
F3RYI1 putative acyltransferase 2.858↑ 0.001 0.154 0.007 2.884↑ 7.61E-05 acetyl-CoA C-acetyltransferase activity
E1EMA1 Carbamoyl-phosphate synthase small chain 2.535↑ 0.049 2.655↑ 0.022 7.656↑ 1.70E-06 glutamine catabolic process
L0I0Y7 Ribosomal protein S6 modification protein 0.092 5.71E-06 0.291 9.22E-05 0.461 0.002 cellular protein modification process
Q87SB9 ATP-dependent RNA helicase SrmB ATP 2.965↑ 0.048 3.981↑ 0.004 6.081↑ 0.001 ATP-dependent helicaseactivity
Q87P98 Amino acid ABC transporter, periplasmic amino acid-binding protein 4.093↑ 0.001 0.191 0.001 9.462↑ 3.95E-06 transporter activity
F3RQ38 Diaminobutyrate-pyruvate transaminase and L-2,4-diaminobutyrate decarboxylase 0.217 0.021 2.535↑ 0.001 0.146 0.014 carboxylic acid metabolic process
Q87P67 Putative tricarboxylic transport TctC 4.325↑ 0.003 4.325↑ 0.002 2.992↑ 0.013 outer membrane-bound periplasmic space
L0HXG6 ABC- type antimicrobial peptide transport system, permease component 6.252↑ 0.016 2.489↑ 0.041 15.136↑ 0.008 integral to membrane
Q87PV1 Uncharacterized protein 3.664↑ 0.048 10.568↑ 0.012 3.565↑ 0.014 protein serine/threonine kinase activity
  1. aiTRAQ ratio indicates the relative quantification of the differentially expressed proteins
  2. bStatistical analysis of iTRAQ ratio was performed using unpaired t-test
  3. cUp arrows indicate an increase in protein expression