Table 1.

Bacterial strains and plasmids used in this study

Strain or plasmidRelevant characteristic(s)Reference or source
Strains
E. coli K-12 (BD1428)4
E. coli K-12 (HEHA16)BD1428;fim::kan ΔfluThis study
E. cloacae(SM825)Fim+Institute strain collection
K. pneumonia (SM830)Fim+Institute strain collection
P. fluorescens(SBW25)19
S. liquefaciens(MG1)Fim+6
Plasmids
 pUCP22E. coli-Pseudomonas shuttle vector; Apr; Gmr25
 pKKJ101flu gene in pUCP22This study
 pKKJ128flu gene in pACYC184This study
 pJBA25gfp gene in pUC18J. B. Andersen