Table 3

Results of the invasion assay

E. coli XL1

Average invasion percentage

Number of assays

Range


pSE380

0,0

33

0-0.3


pMRK1

4,4**

33

0.7-24.8


pMRK4

0,0

9

0-0.05


pMRK417

0,1*

9

0-0.2


pMRK431

0,5

6

0-1.9


pMRK431β1

5,4**

14

0.4-16.3


pMRK4β1L1

0,0

4

0-0.04


pMRK410β1L1

0,1

6

0.02-0.3


pMRK417β1L1

1,2

6

0.04-5.4


pMRK431β2

0,4

5

0.1-0.8


pMRK431β4

0,4

5

0.02-1.2


pMRK431β5

0,3

5

0.03-0.9


pMRK431β8+9

0,1

5

0.02-0.2


pMRK431β10

0,2*

6

0.06-0.3


Gentamicin protection assay with the human ECV304 cell line. The results are given as the percentage of the intracellular vs. the total added bacteria. The strains have been compared to E. coli XL1 (pSE380) to calculate significant differences with t-scores. * p < 0.05, ** p < 0.01

Haiko et al. BMC Evolutionary Biology 2011 11:43   doi:10.1186/1471-2148-11-43

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