Table 3 List of strains used in this study.

S. Enteritidis 147 Nal wild type

1, 2, 3, 4, 5

none

[25]

S. Enteritidis 147 Nal ΔSPI1

2,3,4,5

1

this study

S. Enteritidis 147 Nal ΔSPI2

1,3,4,5

2

this study

S. Enteritidis 147 Nal ΔSPI3

1,2,4,5

3

this study

S. Enteritidis 147 Nal ΔSPI4

1,2,3,5

4

this study

S. Enteritidis 147 Nal ΔSPI5

1,2,3,4

5

this study

S. Enteritidis 147 Nal ΔSPI1-5

none

1,2,3,4,5

this study

S. Enteritidis 147 Nal SPI1o

1

2,3,4,5

this study

S. Enteritidis 147 Nal SPI2o

2

1,3,4,5

this study

S. Enteritidis 147 Nal SPI3o

3

1,2,4,5

this study

S. Enteritidis 147 Nal SPI4o

4

1,2,3,5

this study

S. Enteritidis 147 Nal SPI5o

5

1,2,3,4

this study

S. Enteritidis 147 Nal ΔSPI1&2

3,4,5

1,2

this study

S. Enteritidis 147 Nal SPI1&2o

1,2

3,4,5

this study