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Table 2 Analysis of gene expression in E. coli C, ∆agaR , and ∆nagA ∆agaR mutants by qRT-PCR

From: Genetic analysis of the roles of agaA, agaI, and agaS genes in the N-acetyl-D-galactosamine and D-galactosamine catabolic pathways in Escherichia colistrains O157:H7 and C

Carbon Sourcea

Strain

Relative expression of genes in E. coli C

  

agaA

agaS

nagA

nagB

agaR

Glycerol

E. coli C

1

1

1

1

1

Aga

E. coli C

32

62

1

1

2

GlcNAc

E. coli C

3

3

16

23

2

Glycerol

E. coli C ∆agaR

50

175

1

1

NDb

Aga

E. coli C ∆agaR

57

177

1

1

ND

GlcNAc

E. coli C ∆agaR

20

92

6

13

ND

Glycerol

E. coli C ∆nagA∆agaR

54

197

ND

2

ND

Aga

E. coli C ∆nagA∆agaR

74

224

ND

3

ND

GlcNAc

E. coli C ∆nagA∆agaR

47

148

ND

26

ND

  1. a Carbon source used for growth.
  2. b ND indicates not detected.
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BMC Microbiology

ISSN: 1471-2180

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