Table 1.

Morphological diversity of selected six PA strains tested by the following features: mucoidy, production of specific type IV pili–twitching motility, and biofilm-forming ability, as the elements considered in term of phage susceptibility variation

Strain	Mucoidy	Twitching motility zone diameter (mm)	Biofilm formation OD (590 nm)
PAO1	Negative (stable)	4.6 ± 0.7	1.14 ± 0.23
Non-CF0038	Negative (stable)	30.4 ± 2.5	0.67 ± 0.1
CF217	Negative (stable)	17.2 ± 1.6	1.92 ± 0.56
CF708	Negative (stable)	1.45 ± 0.9	0.15 ± 0.04
CF532	Negative (stable)	3.8 ± 0.6	0.28 ± 0.09
CF832	Positive (stable)	2.9 ± 0.7	0.04 ± 0.02