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Table 2 Transcription analyses of sialometabolism genes in Rd and derived mutant strains.

From: Sialic acid mediated transcriptional modulation of a highly conserved sialometabolism gene cluster in Haemophilus influenzae and its effect on virulence

 

Gene expression ratio:

strain

siaP

nanE

siaR

Rd

2.1

3.2

2.2

siaR

1.0

0.9

-

nanE

0.7

-

1.3

siaP

-

0.9

0.9

siaQ/M

0.8

1.7

1.1

crp

1.4

2.2

1.3

Rd (CDM)

4.8

3.8

2.1

  1. Values given are for the ratio of the expression level of the gene following growth in BHI in the absence of added Neu5Ac to growth with added Neu5Ac, taken from the data given in Figure 6. Also shown are the values for strain Rd following growth on CDM medium. A dashed line indicates no expression following inactivation of the respective gene.