TABLE 4.

Characterization of select C. jejuni strains

Background: C. jejuni 81-176	Polymyxin B MICa	pEtN modification (lipid A)b	pEtN modification (flagella)	Motilityc
	μg/ml			%
flgG	17.3 ± 3.3	+	+	100
eptC	0.8 ± 0.2	−	−	55
eptC, eptC+	17.6 ± 3.6	+	+	105
flgFG	17.0 ± 3.0	+	−	0
flgFG, flgFGhis6(T75A)+	18.6 ± 4.6	+	−	55
flgFG, flgFGhis6(T75S)+	16.0 ± 0.0	+	−	55
flgFG, flgFGhis6(T75Y)+	18.6 ± 4.6	+	−	15
flgFG, flgFGhis6+	17.0 ± 3.0	+	+	100

^a Minimum inhibitory concentrations were determined using polymyxin B Etest® strips (Biomérieux).

^b Modification of lipid A by pEtN previously determined for strains wild type, eptC, and eptC, eptC⁺. Modification of lipid A by pEtN is assumed for other strains because of resistance to polymyxin B.

^c Motility of indicated strains compared with that of wild type.