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Table 2 S. pneumoniae gene expression in the presence of norepinephrine

From: Host stress hormone norepinephrine stimulates pneumococcal growth, biofilm formation and virulence gene expression

Transcriptional regulators

Function

Fold change in expression

D39

pspA -

pspC -

comX (SPD_0014)

Transcriptional regulator ComX1

5.33 (0.15)

0.85 (0.03)

0.92 (0.09)

rgg (SPD_0144)

Transcriptional regulator

1.72 (0.12)

0.40 (0.06)

1.13 (0.15)

ritR (SPD_0344)

DNA-binding response regulator

0.77 (0.04)

0.73 (0.02)

0.97 (0.04)

rgg / mutR (SPD_0939)

Transcriptional regulator

28.4 (2.2)

0.79 (0.06)

1.09 (0.13)

Sugar hydrolases

strH (SPD_0063)

N-acetyl hexosaminidase

6.56 (0.30)

0.6 (0.02)

0.97 (0.04)

bga3 (SPD_0065)

β-galactosidase

21.4 (2.0)

0.78 (0.04)

1.1 (0.05)

nanB (SPD_1499)

Neuraminidase B

22.39 (1.10)

1.23 (0.12)

0.78 (0.08)

nanA (SPD_1504)

Neuraminidase A

10.77 (0.89)

1.44 (0.07)

0.98 (0.04)

Cation metabolism

piuA (SPD_1652)

Iron-compound ABC transporter

6.08 (0.20)

0.27 (0.03)

1.02 (0.03)

psaA (SPD_1463)

ABC transporter substrate-binding protein

1.22 (0.04)

0.48 (0.03)

1.04 (0.03)

Sugar metabolism

pflB (SPD_0420)

Pyruvate formate lyase

0.59 (0.03)

0.89 (0.02)

1.03 (0.06)

spxB (SPD_0722)

Pyruvate oxidase

0.16 (0.07)

0.69 (0.03)

0.84 (0.12)

galK (SPD_1634)

Galactokinase

25.36 (2.39)

0.78 (0.04)

0.92 (0.07)

Oxidative stress response

tpxD (SPD_1464)

Thiolperoxidase

0.66 (0.07)

0.74 (0.06)

0.81 (0.1)

  1. The relative gene expression levels of wildtype D39 and the pspA and pspC mutants was calculated from 3 independent experiments and standard deviation is indicated in parenthesis. The expression of target genes was normalised to the housekeeping gene gyrB.