TABLE 1.

Bacteria and plasmids used in this study

Strain or plasmid	Source or reference	Comments
E. coli DH5α	American Type Culture Collection	supE44 ΔlacU169 (φ80 lacZ ΔM15)hsd R17 recA1 gyrA96 thi-1 relA1 (16)
E. coli S17-1λpir	American Type Culture Collection	RP4; pir lysogen (15)
B. diminuta ATCC 19146	Pall Europe Limited	Filter challenge test strain (2)
pSfi390	S. Swift	pUC18 (16) containing lux genes from P. luminescens ATCC 29999 (13)
pUTLUXAB	G. Stewart	RP4 oriT, R6K plasmid, Tn5::tetracycline resistance cassette containing luxAB genes from Vibrio harveyi (6)
pVAGFP	S. Taylor	Plasmid pVAGFP containing mutant gene for GFP (5)
pBSLLUX2	This study	pBSL204 with luxABCDE genes (13)
pBSLGFP1	This study	pBSL204 with gfp gene (5)
pBSL204	Department of Molecular Cell Biology, Utrecht, The Netherlands	RP4 oriT, R6K plasmid, Tn5::tetracycline resistance cassette (1)