Table 1 List of strains used in this study

PAK

Wild-type P. aeruginosa strain

D. Bradley, Memorial University of Newfoundlands, St John’s, Canada

PAO1

Wild-type P. aeruginosa strain ATCC 15692

American Type Culture Collection

PA14

Wild-type P. aeruginosa strain

F. Ausubel, Harvard University, Boston, USA

PA103

Wild-type P. aeruginosa strain ATCC 29620

American Type Culture Collection

PAKpilA:Tc^R

pilA inactivated by allelic displacement with a tetracycline resistance cassette (Tc^R)

[19]

PAKchpB:Tc^R

chpB inactivated by allelic displacement with a tetracycline resistance cassette (Tc^R)

[22]

PAKchpC:Tc^R

chpC inactivated by allelic displacement with a tetracycline resistance cassette (Tc^R)

[22]

PAKchpD:Tc^R

chpD inactivated by allelic displacement with a tetracycline resistance cassette (Tc^R)

[22]

PAKchpE:Tc^R

chpE inactivated by allelic displacement with a tetracycline resistance cassette (Tc^R)

[22]

PAO1ΔpilK (FA9)

In frame deletion of pilK in wildtype strain PAO1

[25]

PAKΔcyaA

In frame deletion of cyaA

[33]

PAKΔcyaB

In frame deletion of cyaB

[33]

PAKΔcyaAcyaB

In frame deletions of cyaA and cyaB

[33]

PAKΔcpdA

In frame deletion of cpdA

[34]