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Table 1 Significant ORFs (p value < 1 × 107) with greater than 4-fold significant change between 3 h and 4 h.

From: Global transcriptional response of Escherichia coli O157:H7 to growth transitions in glucose minimal medium

Ecs number

Genea

function

log2 change in expression

QT clusterb

ECs0236

O157

Unknown function

-2.89

10

ECs0482

cyoE

protoheme IX farnesyltransferase

-2.08

10

ECs0483

cyoD

cytochrome o ubiquinol oxidase subunit IV

-3.18

10

ECs0484

cyoC

cytochrome o ubiquinol oxidase subunit III

-3.32

10

ECs0485

cyoB

cytochrome o ubiquinol oxidase subunit I

-3.87

10

ECs0486

cyoA

cytochrome o ubiquinol oxidase subunit II

-3.89

10

ECs0660

dcuC

transport of dicarboxylates

2.20

6

ECs0746

sdhC

succinate dehydrogenase, cytochrome b556

-3.15

10

ECs0747

sdhD

succinate dehydrogenase, hydrophobic subunit

-2.66

10

ECs0748

sdhA

succinate dehydrogenase

-3.06

10

ECs0749

sdhB

succinate dehydrogenase

-2.79

10

ECs0750

-

orf, hypothetical protein

-2.24

10

ECs0751

sucA

2-oxoglutarate dehydrogenase

-2.20

10

ECs0768

cydA

cytochrome d terminal oxidase

2.56

4

ECs0769

cydB

cytochrome d terminal oxidase

2.58

4

ECs0916

yliH

putative receptor

3.84

2

ECs0979

dmsA

anaerobic dimethyl sulfoxide reductase

3.71

4

ECs0981

dmsC

anaerobic dimethyl sulfoxide reductase

2.08

4

ECs0986

pflB

formate acetyltransferase 1

2.04

6

ECs1572

pepT

putative peptidase T

2.64

2

ECs1728

narK

nitrite extrusion protein

2.98

6

ECs1729

narG

nitrate reductase 1, alpha subunit

2.25

4

ECs1741

adhE

CoA-linked acetaldehyde dehydrogenase

2.50

6

ECs1756

yciD

putative outer membrane protein

4.15

4

ECs1875

ycjL

probable amidotransferase subunit

-2.28

2

ECs2027

ydcI

putative transcriptional regulator LYSR-type

-2.41

2

ECs2078

fdnG

formate dehydrogenase-N, nitrate-inducible

2.30

6

ECs2150

ydfZ

orf, hypothetical protein

4.70

4

ECs2293

ynfE

putative oxidoreductase, major subunit

2.83

6

ECs2457

ydjY

orf, hypothetical protein

2.03

6

ECs2463

ynjE

putative thiosulfate sulfur transferase

3.47

1

ECs2614

yecH

orf, hypothetical protein

3.09

6

ECs3061

fruB

PTS system, fructose-specific IIA/fpr component

2.02

1

ECs3084

dsbE

disulfide oxidoreductase

2.04

1

ECs3088

ccmC

heme exporter protein C

2.19

1

ECs3090

ccmA

ATP binding protein of heme exporter A

2.64

1

ECs3091

napC

cytochrome c-type protein

3.55

1

ECs3092

napB

cytochrome c-type protein

3.30

1

ECs3093

napH

ferredoxin-type protein: electron transfer

3.04

un

ECs3180

ackA

acetate kinase

2.28

6

ECs3226

yfcZ

orf, hypothetical protein

3.02

6

ECs3445

yfiD

putative formate acetyltransferase

4.48

6

ECs3460

yfiA

putative yhbH sigma 54 modulator

2.12

2

ECs3582

hypA

pleiotrophic effects on 3 hydrogenase isozymes

2.92

6

ECs3583

hypB

guanine-nucleotide binding protein

2.10

6

ECs3586

hypE

plays structural role in maturation of all 3 hydrogenases

2.10

6

ECs3799

O157

orf; hypothetical protein

2.92

6

ECs3800

O157

orf; hypothetical protein

2.33

6

ECs3802

O157

putative ATP-binding protein of ABC transport system

2.40

6

ECs3833

ansB

periplasmic L-asparaginase II

3.41

4

ECs3880

hybB

probable cytochrome Ni/Fe component of hydrogenase-2

2.05

4

ECs4040

yhbV

orf, hypothetical protein

3.11

1

ECs4216

nirB

nitrite reductase (NAD(P)H) subunit

3.55

1

ECs4343

nikA

periplasmic binding protein for nickel

3.46

1

ECs4344

nikB

transport of nickel, membrane protein

2.10

6

ECs4347

nikE

ATP-binding protein of nickel transport system

2.85

1

ECs4398

yhjA

putative cytochrome C peroxidase

2.86

6

ECs4456

yiaI

orf, hypothetical protein

2.40

4

ECs4750

yigI

orf, hypothetical protein

-2.55

10

ECs4834

sodA

superoxide dismutase, manganese

-2.40

7

ECs4874

gldA

glycerol dehydrogenase, (NAD)

2.86

6

ECs5052

nrfA

periplasmic cytochrome c(552)

3.08

un

ECs5053

nrfB

formate-dependent nitrite reductase

2.86

6

ECs5054

nrfC

formate-dependent nitrite reductase; Fe-S centers

2.96

un

ECs5134

frdB

fumarate reductase, anaerobic, iron-sulfur protein subunit

2.50

8

ECs5135

frdA

fumarate reductase, anaerobic, flavoprotein subunit

2.11

8

ECs5214

nrdG

anaerobic ribonucleotide reductase activating protein

2.02

6

ECs5215

nrdD

anaerobic ribonucleoside-triphosphate reductase

3.54

6

ECs5298

yjiM

orf, hypothetical protein

2.76

8

  1. aGenes in bold have been identified as being under the control of the transcriptional regulator FNR [29, 30]. Underlined genes have been identified as being controlled by the transcriptional regulator ArcA [40].
  2. bQT cluster un. means unassigned
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BMC Microbiology

ISSN: 1471-2180

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