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Table 4 Stability and productivity of the transformed strain SL7207/pcDNA-CCOL2A1 after repeated shake flask culture for 6 and 8 h

From: Transformed Salmonella typhimurium SL7207/pcDNA-CCOL2A1 as an orally administered DNA vaccine

Time (h)

OD600

CFU/mL (× 109)

Plasmid stability (%)

6 h

2.52

2.07

99.04

8 h

2.28

1.63

93.13

6 h

2.36

1.24

96.87

8 h

2.44

1.49

117.28

6 h

2.71

1.49

91.80

8 h

2.47

1.84

105.74

6 h

2.52

2.38

113.72

8 h

2.47

1.23

97.35

M ± SD

2.47 ± 0.13

1.67 ± 0.40

101.87 ± 9.44

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