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Table 3 Proteins involved in sugar catabolism and TCA cycle

From: Proteomic analysis of enterotoxigenic Escherichia coli (ETEC) in neutral and alkaline conditions

Protein

Description

1D-LC

2D-LC

Regulation

Run

Matching

AceE

Pyruvate dehydrogenase E1 component

0.62

 

DOWN

2-3

Both

AceF

Pyruvate dehydrogenase complex dihydrolipoamide acetyltransferase

1.64

1.65

UP

2-3/1-3

Both

AcnA

Aconitate hydratase

0.44

 

DOWN

All

Both

Eno

Enolase

0.60

 

DOWN

1-2

Both

FrdA

Fumarate reductase flavoprotein subunit

0.39

0.35

DOWN

All

Both

FrdB

Fumarate reductase iron-sulfur subunit

0.44

0.36

DOWN

All/1-2

Both

FruB

Bifunctional PTS system fructose-specific transporter subunit IIA/HPr protein

1.89

 

UP

2-3

Both

FumA

Fumarate hydratase FumB

0.26

 

DOWN

2-3

Both

GalU

UTP--glucose-1-phosphate uridylyltransferase subunit GalU

0.65

0.55

DOWN

All

Both

GapA

Glyceraldehyde-3-phosphate dehydrogenase A

 

1.36

UP

1-2

H10407

GapC

Glyceraldehyde-3-phosphate dehydrogenase

0.30

0.27

DOWN

2-3/All

Both

GlpK

Glycerol kinase

0.31

0.31

DOWN

All

Both

GltA

Citrate synthase

1.62

1.74

UP

2-3/All

Both

Gnd

6-phosphogluconate dehydrogenase, decarboxylating

0.43

0.52

DOWN

2-3

Both

GpmA

2,3-bisphosphoglycerate-dependent phosphoglycerate mutase

1.70

1.78

UP

2-3

Both

Icd

Isocitrate dehydrogenase [NADP]

 

0.87

DOWN

All

Top

MaeA

NAD-dependent malic enzyme

0.62

 

DOWN

All

H10407

MaeB

Bifunctional malic enzyme oxidoreductase/phosphotransacetylase

2.07

 

UP

2-3

Both

MalE

Extracellular solute-binding protein family 1

2.03

2.50

UP

All

Both

MalK

Maltose/maltodextrin transporter ATP-binding protein

2.03

 

UP

1-3

Both

MalM

Maltose operon periplasmic

1.85

1.88

UP

All/2-3

Top

MalX

Maltose transport system, substrate-binding protein

2.03

2.50

UP

All

H10407

ManXYZ

PTS system mannose-specific transporter subunits IIAB

0.69

 

DOWN

1-3

Top

MglB

Methyl-galactoside ABC transporter galactose-binding periplasmic protein

 

3.70

UP

1-2

Both

PfkA

6-phosphofructokinase

0.48

0.41

DOWN

All/2-3

Both

PflB

Pyruvate formate lyase I

0.42

0.36

DOWN

1-2

Both

Pgm

Phosphoglucomutase

 

0.43

DOWN

1-3

Both

PoxB

Pyruvate dehydrogenase

0.28

0.08

DOWN

All/2-3

Both

Pps

Phosphoenolpyruvate synthase

0.62

0.60

DOWN

All/1-2

Top

PpsA

Phosphoenolpyruvate synthase

0.62

0.60

DOWN

All/1-2

H10407

PtsI

Phosphoenolpyruvate-protein phosphotransferase

 

0.95

DOWN

All

Both

PykF

Pyruvate kinase

0.54

0.41

DOWN

All

Both

SucA

Succinyl-CoA ligase [ADP-forming] subunit alpha

0.52

0.45

DOWN

All

H10407

SucC

Succinyl-CoA ligase [ADP-forming] subunit beta

0.39

 

DOWN

2-3

Both

SucD

Succinyl-CoA ligase [ADP-forming] subunit alpha

0.56

0.45

DOWN

1-2/All

Top

TktA

Transketolase

0.52

0.47

DOWN

All

Both

TktB

Transketolase

0.52

0.49

DOWN

2-3/1-2

Both

TreB

PTS system trehalose(Maltose)-specific transporter subunits IIBC

2.01

2.07

UP

2-3/All

Both

Zwf

Glucose-6-phosphate 1-dehydrogenase

2.23

2.54

UP

2-3

Both

  1. Fold changes are listed under 1D-LC and 2D-LC columns
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BMC Microbiology

ISSN: 1471-2180

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