TABLE 2.

Antibiotic resistance, virulence profiles, and genomic patterns of Vibrio cholerae O139 used in this study

Strain no.	Source	Antibiotic resistance patterna	Presence of virulence and regulatory genesb								Ribotype	ERIC profile
			ctxA	zot	ace	tcpA	ompU	acfB	tcpI	toxR
MO45	Diarrheal	A, Co, F, S	+	+	+	+	+	+	+	+	B-II	E-IV
EC1	E. crassipes	Co, F, S	+	+	+	+	+	+	+	+	B-II	E-III
EC2	E. crassipes	Co, F, S, Cf	+	+	+	+	+	+	+	+	B-II	E-IV
EC3	E. crassipes	Co, F, S	+	+	+	+	+	+	+	+	B-II	E-IV
EC6	E. crassipes	Co, F, S	+	+	+	+	+	+	+	+	B-II	E-II
EC7	E. crassipes	Co, F, S	+	+	+	+	+	+	+	+	B-II	E-IV
EC8	E. crassipes	A, Co, F, S, Ce	+	+	+	+	+	+	+	+	B-II	E-IV
HP11	Hand pump	Co, F, S	+	+	+	+	+	+	+	+	B-II	E-III
GW3	River water	A, Co, F, N, S	+	+	+	+	+	+	+	+	B-I	E-IV
GW4	River water	A, Co, F, S	+	+	+	+	+	+	+	+	B-IV	E-IV
WO4	Well water	Co, F, S	+	+	+	+	+	+	+	+	B-I	E-I

^aA, ampicillin; Ce, cefotaxime; Cf, ciprofloxacin; Co, co-trimoxazole; F, furazolidone; N, neomycin; S, streptomycin.

^bNone of the strains were positive for the st gene.