Table 2.

Expression of the chromosomal hcn genes of P. fluorescens

Strain	Genotype	β-galactosidase activity, Miller units*
CHA207	Translational hcnA′-′lacZ fusion	1,515  ±  140
CHA89.207	Translational hcnA′-′lacZ fusion, gacA∷Km	35  ±  2
CHA213	Transcriptional hcn-lacZ fusion	2,065  ±  89
CHA89.213	Transcriptional hcn-lacZ fusion, gacA∷Km	1,825  ±  52

^*Conditions were the same as in Table 1; measurements were taken at an OD₆₀₀ of 2.