Table 2

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

a Carbon source used for growth.

b ND indicates not detected.

Hu et al.

Hu et al. BMC Microbiology 2013 13:94   doi:10.1186/1471-2180-13-94

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