Table 1. Bacterial strains, plasmids, and primers used in this study.

Strain or plasmid	Relevant characteristics	Reference or source
Strains
P. chlororaphis subsp. aurantiaca PB-St2	wild type strain	[13]
E. coli XL1-Blue	recA1 endA1 gyrA96 thi-1 hsdR17 supE44 relA1 lac [F´ proAB lacIq ZΔM15 Tn10 (Tetr)]	Stratagene
Plasmids
pBluescript SK(-)	Cloning vector (phagemid excised from lambda ZAP). The f1 (–) orientation allows rescue of antisense strand ssDNA	Stratagene
pNH07	pBluescript SK(-) containing the inducible lac-promotor and aurI from P. aurantiaca PB-St2 at PsiI-PciI sites	This study
pNH08	pBluescript SK(-) containing the inducible lac-promotor and csaI from P. aurantiaca PB-St2 at PsiI-PciI sites	This study
pNH09	pBluescript SK(-) containing the inducible lac-promotor and phzI from P. aurantiaca PB-St2 at PsiI-PciI sites	This study
pNH10	pBluescript SK(-) containing the inducible lac-promotor and hdtS from P. aurantiaca PB-St2 at PsiI-PciI sites	This study
pNH11	pBluescript SK(-)ΔlacZ cut at PsiI-EcoRV sites	This study
pNH12	pBluescript SK(-) containing the inducible lac-promotor and aurI from P. chlororaphis subsp. aurantiaca StFRB508 at PsiI-PciI sites	This study
pNH13	pBluescript SK(-) containing the inducible lac-promotor and hdtS from P. fluorescens F113 at PsiI-PciI sites	This study