Table 3

Bacterial growth rate (r), loss rate, virus-induced mortality and lysis activity rates after 48 h and 96 h

Experiment/Treatment

Growth rate (r) (d-1)

Loss rate of bacteria (d-1)

Lysis mortality (d-1)

Lysis rate activity (105 cell ml-1 d-1)


48 h

96 h

48 h

96 h

48 h

96 h

48 h

96 h


LA1

VFA

0.12 ± 0.05

0.14 ± 0.01

-0.03 ± 0.09

-0.06 ± 0.04

0.18 ± 0.01

0.21 ± 0.01

3.90 ± 0.16

4.60 ± 0.04

VF

0.09 ± 0.06

0.10 ± 0.06

0.01 ± 0.04

-0.02 ± 0.01

0.18 ± 0.01

0.22 ± 0.01

3.80 ± 0.07

4.80 ± 0.12

V

0.09 ± 0.06

0.08 ± 0.05

0.18 ± 0.01

0.19 ± 0.01

3.70 ± 0.05

4.10 ± 0.04

LA2

VFA

0.30 ± 0.10

0.37 ± 0.03

-0.02 ± 0.15

-0.08 ± 0.05

*

0.39 ± 0.01

0.41 ± 0.02

4.20 ± 0.14

4.40 ± 0.14

VF

0.36 ± 0.36

0.39 ± 0.01

-0.08 ± 0.05

-0.09 ± 0.05

*

0.40 ± 0.05

0.40 ± 0.02

4.20 ± 0.49

4.20 ± 0.14

V

0.28 ± 0.03

0.47 ± 0.04

0.37 ± 0.02

0.44 ± 0.01

3.50 ± 0.20

4.10 ± 0.07

LB1

VFA

0.27 ± 0.02

0.28 ± 0.01

-0.09 ± 0.01

**

-0.10 ± 0.02

**

0.20 ± 0.01

0.21 ± 0.01

6.40 ± 0.05

7.10 ± 0.09

VF

0.27 ± 0.00

0.23 ± 0.00

-0.05 ± 0.01

**

-0.05 ± 0.01

**

0.22 ± 0.01

0.22 ± 0.01

7.20 ± 0.11

7.20 ± 0.03

V

0.18 ± 0.01

0.18 ± 0.01

0.16 ± 0.01

0.18 ± 0.01

5.30 ± 0.20

5.60 ± 0.08

LB2

VFA

0.68 ± 0.10

0.73 ± 0.01

-0.21 ± 0.01

*

-0.22 ± 0.02

**

1.62 ± 0.19

2.20 ± 0.08

34.9 ± 4.30

47.4 ± 1.83

VF

0.65 ± 0.02

0.62 ± 0.01

-0.18 ± 0.12

*

-0.11 ± 0.01

**

1.32 ± 0.31

1.94 ± 0.03

28.4 ± 6.40

41.7 ± 0.26

V

0.47 ± 0.10

0.51 ± 0.01

1.01 ± 0.04

1.77 ± 0.09

21.1 ± 0.96

36.8 ± 1.75


The significant difference between bacterial growth rate in V treatment and VFA/VF treatments was tested using ANOVA. *, P < 0.05; **, P < 0.001.

Berdjeb et al. BMC Microbiology 2011 11:88   doi:10.1186/1471-2180-11-88

Open Data