Table 2.

Interaction indices calculated for combinations of phiIPLA-RODI and Dpo7.

Strain	Treatment	Interaction index*
15981	108 PFU/ml phage +1 μM Dpo7	0.76
	108 PFU/ml phage +2 μM Dpo7	1.77
	109 PFU/ml phage +1 μM Dpo7	1.62
	109 PFU/ml phage +2 μM Dpo7	2.42
V329	108 PFU/ml phage +1 μM Dpo7	0.41
	108 PFU/ml phage +2 μM Dpo7	1.80
	109 PFU/ml phage +1 μM Dpo7	1.07
	109 PFU/ml phage +2 μM Dpo7	2.02
Newman	108 PFU/ml phage +1 μM Dpo7	0.42
	108 PFU/ml phage +2 μM Dpo7	0.94
	109 PFU/ml phage +1 μM Dpo7	0.63
	109 PFU/ml phage +2 μM Dpo7	1.27
JE2	108 PFU/ml phage +1 μM Dpo7	0.48
	108 PFU/ml phage +2 μM Dpo7	0.83
	109 PFU/ml phage +1 μM Dpo7	0.45
	109 PFU/ml phage +2 μM Dpo7	1.04
IPLA16	108 PFU/ml phage +1 μM Dpo7	0.24
	108 PFU/ml phage +2 μM Dpo7	−0.12
	109 PFU/ml phage +1 μM Dpo7	0.03
	109 PFU/ml phage +2 μM Dpo7	0.44

*Values > 0.2 and < −0.2 were considered synergistic (bold) and antagonistic, respectively. Values between − 0.2 and 0.2 were considered indicative of an additive interaction.