Table 6.

Distribution of T3SS Genes Among Vibrio parahaemolyticus Strains Isolated from Patients with Acute Diarrhoea in Southeastern China During 2013–2017

Genes	Total (n=1220)				2013 (n=204)				2014 (n=205)				2015 (n=142)				2016 (n=266)				2017 (n=403)
tdh	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–	–
trh	–	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–	–	+	+	–
n	1150	13	6	51	194	1	2	7	192	1	2	10	136	3	1	2	250	3	0	13	378	5	1	19
T3SS1
VP1670[vscP]	1144	13	6	51	192	1	2	7	191	1	2	10	136	3	1	2	248	3	0	13	377	5	1	19
VP1686[vopS]	1102	12	6	44	183	1	2	6	171	1	2	9	136	3	1	2	239	2	0	9	373	5	1	18
VP1689[vscK]	1129	13	6	48	189	1	2	6	179	1	2	10	136	3	1	2	248	3	0	12	377	5	1	18
VP1694[vscF]	1114	12	5	36	183	1	2	5	182	1	2	7	133	3	0	2	245	2	0	7	371	5	1	15
All four genes	1078	12	5	33	173	1	2	5	167	1	2	7	133	3	0	2	236	2	0	4	369	5	1	15
T3SS2α
VP1362[vopB2]	1120	4	2	0	190	1	1	0	182	0	0	0	125	0	0	0	247	2	0	0	376	1	1	0
VP1339[vscC2]	1137	4	2	0	192	1	1	0	192	0	0	0	135	0	0	0	249	2	0	0	369	1	1	0
VP1335[vscS2]	1143	4	2	0	192	1	1	0	191	0	0	0	136	0	0	0	249	2	0	0	375	1	1	0
VP1327[vopT]	1132	4	2	0	192	1	1	0	183	0	0	0	136	0	0	0	248	2	0	0	373	1	1	0
All four genes	1108	4	2	0	189	1	1	0	182	0	0	0	125	0	0	0	246	2	0	0	366	1	1	0
T3SS2β
vscC2	0	8	0	0	0	1	0	0	0	1	0	0	0	3	0	0	0	3	0	0	0	0	0	0
vopB2	0	13	1	2	0	1	0	0	0	1	0	0	0	3	0	0	0	3	0	0	0	5	1	2
vopC	0	11	0	1	0	1	0	0	0	1	0	0	0	3	0	0	0	3	0	0	0	3	0	1
vscS2	0	13	1	2	0	1	0	0	0	1	0	0	0	3	0	0	0	3	0	0	0	5	1	2
All four genes	0	8	0	0	0	1	0	0	0	1	0	0	0	3	0	0	0	3	0	0	0	0	0	0