TABLE 3.

Invasion of intestinal epithelial cells

Strain	% Invasion with intestinal cell linea (mean ± SD [n ≥ 3])
	Intestine-407	Caco-2	HCT-8
LF82	4.67 ± 1.70	4.82 ± 1.25	6.02 ± 1.66
EIEC E12860/0	5.36 ± 5.68	0.029 ± 0.018	38.98 ± 20.19
EPEC E2348/69	1.91 ± 0.40	4.11 ± 2.64	11.92 ± 9.57
ETEC H10407	2.67 ± 0.91	1.53 ± 0.46	0.72 ± 0.44
K-12 C600	0.001 ± 0.001	0.005 ± 0.003	0.005 ± 0.003

^aPercentage of inoculum surviving gentamicin treatment.