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Table 2 Extracted switches in the network. Significantly differentially expressed pairs of reactions (p-value ≤ 0.01). The first 20 switches are shown here and described in detail in the text.

From: Using gene expression data and network topology to detect substantial pathways, clusters and switches during oxygen deprivation of Escherichia coli

Rank

Up-regulated reactions

Metabolites

Down-regulated reactions

P-value

1

formate hydrogenlyase complex

formate

formyltetrahydrofolate deformylase

4.67E-14

2

acetaldehyde dehydrogenase

acetaldehyde

ethanolamine ammonia-lyase

1.25E-12

3

FocA formate FNT transporter

formate

formyltetrahydrofolate deformylase

5.81E-12

4

formate hydrogenlyase complex

formate

GTP cyclohydrolase I

1.65E-11

5

3-methyl-2-oxobutanoate hydroxymethyltransferase

2-dehydropantoate

2-dehydropantoate reductase

2.33E-11

6

serine hydroxymethyltransferase

tetrahydrofolate, 5,10-methylene-THF, glycine

gcv system

6.69E-09

7

serine hydroxymethyltransferase

glycine

glycine dehydrogenase (decarboxylating)

2.07E-08

8

formate dehydrogenase

formate

formyltetrahydrofolate deformylase

1.30E-07

9

2-keto-4-hydroxyglutarate aldolase

glyoxylate

glyoxylate reductase B,glyoxylate reductase

1.74E-07

10

fumarate reductase

fumarate

5'-phosphoribosyl-4-(N-succinocarboxamide)-5-aminoimidazole lyase

2.00E-07

11

fumarate reductase

fumarate

adenylosuccinate lyase

2.00E-07

12

CTP synthetase

UTP

galactose-1-phosphate uridylyltransferase

3.16E-07

13

gluconokinase

gluconate

2-ketoaldonate reductase

1.36E-05

14

phosphoenolpyruvate carboxylase

oxaloacetate

aspartate transaminase

2.00E-05

15

FocA formate FNT transporter

formate

GTP cyclohydrolase I

3.35E-05

16

BrnQ branched chain amino acid LIVCS transporters

L-isoleucine

branched chain amino acids ABC transporters

3.78E-05

17

BrnQ branched chain amino acid LIVCS transporters

L-leucine

branched chain amino acids ABC transporters

3.78E-05

18

BrnQ branched chain amino acid LIVCS transporters

L-valine

branched chain amino acids ABC transporters

3.78E-05

19

3-hydroxy acid dehydrogenase

L-serine

phosphoserine phosphatase

4.33E-05

20

phosphatidylglycerophosphate synthase

a CDP-diacylglycerol, CMP

CDP-diacylglycerol pyrophosphatase

4.78E-05