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Table 2 Comparison of doubling time distribution parameters (Eq. 1) for E. coli, E. coli O157:H7, and Citrobacter in LB, LB + ethyl acetate (EA, 75 mM), or MM at 37°C; S = Stationary phase, L = Log Phase.

From: Evidence for a bimodal distribution of Escherichia coli doubling times below a threshold initial cell concentration

  

CI ≤ 100 CFU mL-1

CI ≥ 1000 CFU mL-1

Organism (phase)

Medium LB

α

μτ 1 ± στ1

β

μτ2 ± στ2

Δμτ

μτ ± στ

E. coli (S)

LB

0.48

18.0 ± 0.678

0.52

19.9 ± 2.48

1.87

17.6 ± 0.708

E. coli (L)

LB

0.35

18.2 ± 0.660

0.65

20.0 ± 2.11

1.79

17.9 ± 0.645

E. coli (L)

LB+EA

0.15

19.6 ± 0.999

0.85

21.7 ± 2.25

2.13

21.4 ± 2.06

E. coli (L)

MM

0.30

51.1 ± 1.75

0.70

56.9 ± 8.32

5.77

52.0 ± 2.09

E. coli O157:H7 (L)

LB

0.40

18.5 ± 0.401

0.60

20.1 ± 2.01

1.60

18.1 ± 0.438

Citrobacter (L)

LB

0.6

42.5 ± 3.75

0.40

50.7 ± 6.50

8.24

42.4 ± 3.72