Skip to main content

Table 4 Differential expression of various metabolic pathways in response to norepinephrine

From: Genomewide transcriptional response of Escherichia coli O157:H7 to norepinephrine

Upregulated pathwaysa

Downregulated pathwaysa

Pathwayb

Number of genes with increased expressionb

Pathwayb

Number of genes with decreased expressionb

Amino acid ABC transport

3

3’,5’-cyclic-AMP phosphodiesterase

1

Amino acid transport

2

30S ribosomal proteins

11

23S and 16S rRNA methylation

4

50S ribosomal proteins

17

Anaerobic ribonucleotide reductase and dehydrogenase

2

6-phosphofructokinase II

1

Cell division/cell division inhibition

4/1

ABC transporter ATP-binding

protein

2

Cytochrome oxidase

1

ABC transporter permease

2

Diguanylate cyclase/phosphoesterase

1/1

Acetate-CoA ligase

1

DNA replication, modification and repair

7

Acetolactate synthase

4

DUF domain containing proteins

21

Acetyl-CoA transferase/carboxylase

1/3

Ferrous ion transport

3

Adenine uptake/utilization

5

Glutamate metabolism

5

Alanine utilization

4

Glutamine ABC transport

3

Alcohol/Aldehyde dehydrogenase

1/1

Glycogen synthesis

1

Aldolase

1

Hypothetical proteins

87

Aspartate metabolism

6

Integrases/transposases

8/12

ATP F0F1 synthase subunit C

 

LPS biosynthesis

4

C4-dicarboxylate transporter

 

Multidrug ABC transport/efflux

2/2

Bifunctional aspartate kinase, cysteine desulfurase, glutamine synthase

3

Multidrug transport

6

Enterobactin biosynthesis

2

NAD(P)-dependent oxidoreductases

3

Cell division proteins

8

Nitrate/nitrite transport

3

Citrate metabolism

2

Nitrate/nitrite reductases

2/2

Cytochrome b

2

Outer membrane proteins

4

Cytochrome c biogenesis protein

2

Oxidoreductases

6

Cytochrome O ubiquinol oxidase

4

Pyrimidine utilization proteins

5

Cytosine metabolism

2

Sugar fermentation stimulation protein

1

Dipeptide ABC transport

4

Sugar transporter

1

Electron transport complex subunit

RsxD, E, and G

3

Sulfate/sulfite transport metabolism

9

F0F1 ATP synthase

7

Zn transport

PTS fructose transporter

2

1

Fe2+ -enterobactin and Fe3+-hydroxamate ABC transport proteins

2

  

Ferredoxin reductase

2

  

Fe-S cluster assembly proteins

6

  

Formate dehydrogenase

5

  

Fructose biphosphate

1

  

Galactose metabolism

3

  

Glucan biosynthesis

2

  

Glutathione metabolism

6

  

Glycerol metabolism

4

  

Glycine metabolism

5

  

Heme/hemen transport and utilization

4

  

Branched-chain amino acid transport

2

  

Hypothetical proteins

101

  

Iron ABC transporter

1

  

Iron-enterobactin and iron-hydroxamate transport

4

  

Isochorismate/isochorismate synthase EntC

2

  

LPS biosynthesis

3

  

Microcin transport

3

  

Molybdate transport and molybdenum cofactor biosynthesis

6

  

Multidrug transporter MdtBCDJ

4

  

Multifunctional acyl-CoA and fatty acid oxidation complex

3

  

Murein biosynthesis

9

  

NAD(P)-dependent, NAD, NADH and NADHP- dependent enzymes

14

  

Nitric oxide dioxygenase and reducatse

2

  

Oxidative damage protection protein/defense proteins

1/1

  

Peptide ABC transport

2

  

Peptidylprolyl isomerases (proper protein -folding)

5

  

Phage shock proteins (PspBDA)

3

  

Phosphate transport

6

  

Phosphoenolpyruvate--protein phosphotransferase

2

  

phosphoethanolamine transferase

1

  

phosphoribosylamine-glycine ligase and 5 other enzymes of purine biosynthesis

6

  

Preprotein translocase subunits SecY, SecA, YajC, YidC

4

  

Protein-export membrane protein SecD, SecF

 
  

PTS glucose/sugar transporter

1/1

  

Putrescine/Spermidine ABC transporters

1/1

  

pyruvate dehydrogenase complex dihydrolipoyllysine-residue acetyltransferase

1

  

Pyruvate Kinase

2

  

Serine metabolism

2

  

Spermidine/putrescine metabolism

2

  

Succinate dehydrogenase

7

  

Tellurite resistance proteins

7

  

Thiamine ABC transport

2

  

Threonine synthase

1

  

Thymidylate synthase

1

  

Transcriptional regulator FlhC

1

  

Translation elongation factors G, Ts, Tu, Tu, IF-2, IF-3

6

  

Transposase

2

  

tRNA modification enzyme complexes

11

  

Tryptophanase

1

  

Type II secretion system

6

  

Tyrosine-protein kinase

1

  

UDP-N-acetylglucosamine and UDP-N-acetylmuramate-amino acid ligases (cell wall biosynthesis)

9

  

Urease accessory proteins and subunits α, β, γ

7

  1. a Pathway/gene names their known or predicted functions are based on the annotated sequence of E. coli O157:H7 EDL 933 [110]
  2. b Detailed description of enzymes/proteins encoded by genes differentially expressed at ≥ 2-fold and representing different pathways is given in Supplementary Tables S2 and S3