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. 2014 Feb 21;13:28. doi: 10.1186/1475-2859-13-28

Table 2.

Differentially expressed genes during EXP/STA1, EXP/STA2 and STA1/STA2 comparisons during SA production a

GO terms b
EXP/STA1
EXP/STA2
STA1/STA2
  UP DR UP DR UP DR
Transport
15
9
9
5
8
10
Amino acid metabolism
9
15
8
ND
16
4
Electron carrier activity
2
ND
1
ND
3
ND
Out of GOs
2
21
4
8
4
14
ATP catabolic/biosynthetic process
2
1
ND
ND
ND
ND
Nucleotide/nucleoside metabolism
6
2
1
ND
ND
2
Sulfur metabolism
2
ND
4
ND
2
ND
Stress response
1
12
2
6
5
3
Catalytic activity
1
ND
1
ND
ND
ND
Regulatory
2
7
4
7
4
4
Cell envelope
ND
5
2
7
1
4
Structural molecule activity
1
ND
1
ND
ND
ND
Lipid metabolism
ND
1
ND
ND
3
ND
Other metabolic process
ND
7
ND
5
4
6
Total gene number 43 80 37 38 50 47

aBased on resultant FDR value from the RP analysis equal or less to 0.05 [15]; b Biological functions were assigned according to the EcoCyc database for E. coli strain MG1655 and broadly grouped on the basis of GO terms [17]. ND, Non-detected.