TABLE 5.

Inhibition of adherence of GBS to ME-180 and A549 cells using pilus protein-deficient isogenic mutants

Cell lines	GBS serotypes	Inhibition of adherence
		Δgbs80	Δgbs67	Δsan1518
ME-180	Ia	60 ± 3	NAa	85 ± 1.25
	III	88 ± 7.2	NA	7 ± 1.2b
	V	30 ± 4b	40 ± 2	NA
	VII	10 ± 5.5b	28 ± 1.2b	50 ± 3.4
A549	Ia	9 ± 1.4b	NA	6 ± 1.1b
	III	35 ± 3b	NA	7 ± 2b
	V	28 ± 1.3b	NDc	NA
	VII	45 ± 1.7	5 ± 1b	98.2 ± 1.1

^a NA, not applicable.

^b Not significant; all other inhibition data are significant at p < 0.05.

^c Not detected.