Characters of homogentisate oxygenase gene mutation and high clonality of the natural pigment-producing Vibrio choleraestrains

Table 1 Strains used in this study and relative characters

	Strain	Serogroup/Biotype	Location (province)	Year of isolation	Source	Cholerae toxin gene	Pigment
1	N16961	O1 El Tor	Bangladesh	1971	Patient	+	-
2	569B	O1 classical	Calcutta, India	1948	Patient	+	-
3	7743	O1 El Tor	Guangdong	1977	Water	-	-
4	3182	O1 El Tor	Guangdong	1994	Patient	+	+
5	JS32	O1 El Tor	Jiangsu	1990	Water	-	-
6	WJ-2	O1 El Tor	Jiangsu	1980	Patient	+	-
7	98-200	O139	Guangdong	1998	Water	-	+
8	95-4	O139	Guangdong	1995	Water	-	+
9	JX2006136	O139	Jiangxi	2006	Water	-	+
10	JX2006175	O139	Jiangxi	2006	Water	-	+
11	GD200101012	O139	Guangdong	2001	Water	-	+
12	JX2006135	O139	Jiangxi	2006	Water	-	+
13	MO45	O139	Madras, India	1992	Patient	+	-
14	98-514	O139	Anhui	1998	Water	-	-
15	96-84	O139	Anhui	1996	Water	-	-
16	94001	O139	Xinjiang	1994	Water	-	-
17	GD2006080	O139	Guangdong	2006	Water	-	-
18	JX2006101	O139	Jiangxi	2006	Water	-	-
19	JX2006102	O139	Jiangxi	2006	Water	-	-
20	JX2006177	O139	Jiangxi	2006	Water	-	-
21	JX2006127	O139	Jiangxi	2007	Water	-	-
22	JX2006129	O139	Jiangxi	2008	Water	-	-

* Provinces are presented when the strain is from China.
^# Pigment which can be observed in the culture condition of LB medium and 37°C.

ISSN: 1471-2180