Table 2.

Summary of results of plaque assays with P. aeruginosa PA14 CRISPR/cas mutants^a

Phage	Genotypeb
	WT	ΔCR/cas	ΔCR1	ΔCR2	Δcas1	Δcas3	Δcsy1	Δcsy2	Δcsy3	Δcsy4
JBD18	−	+	−	−	−	+	+	+	+	+
JBD25	−	+	+	−	−	+	+	+	+	+
JBD67	−	+	−	−	−	+	+	+	+	+
WT DMS3	+	+	+	+	+	+	+	+	+	+
DMS3 C253G	-	+	-	+	-	+	+	+	+	+
DMS3 T255C	-	+	-	+	-	+	+	+	+	+
DMS3100%	−	+	−	+	−	+	+	+	+	+

^aPlaque assays conducted with the indicated phages used to infect lawns of WT or various mutant strains.

^b+, formation of plaques (EOP, 1 relative to ΔCR/cas); -, reduced plaquing efficiency with a >10⁴-fold reduction; −, reduced plaquing efficiency with a >10⁶-fold reduction.