Table 2.

Virulence and SPI gene distribution in phylogenetically representative STs/CCs of S. Enteritidis

			The virulence gene present in >80 % of the isolates in each ST/CC												SPI (No. of genes present in >=80 % of isolates)a
	Clade	No. of isolates	shdA	sodCI	flhC	sseI/srfH	spvB, spvC, spvR	pefA, pefB	pefC, pefD	rck	sseK2	gogB	grvA	hsiC1/vipB	SPI-1 (45)	SPI-5 (10)	SPI-6 (59)	SPI-7 (149)	SPI-10 (29)	SPI-11 (17)	SPI-17 (6)	SPI-19 (31)	SPI-22 (16)	SPI-23 (11)
MGT1-ST3304	A	47	+												42	10b	35	10	9	12	1	31b	2	5
MGT1-ST180	A	37	+												42	10b	35	10	9	12	1	31b	2	2
MGT1-ST1972	C	33		+	+								+		45b	10b	37	8	10	13	6b	30	2	6
MGT1-ST183	B	410		+	+	+	+					+	+	+	42	8	35	44	10	13	6b	31b	2	5
MGT3-CC10	B	164		+	+	+	+								42	10b	19	10	10	13	6b	15	2	2
MGT3-CC15	B	274		+	+	+	+	+	+	+					42	10b	19	49	10	13	6b	15	2	2
MGT3-CC107	B	364		+	+	+	+	+			+				42	10b	18	11	10	13	6b	15	2	3
MGT3-CC18	B	83		+	+	+	+	+		+	+				42	10b	18	11	10	13	6b	14	2	2
MGT4-CC101	B	102		+	+	+	+	+	+	+					42	9	19	11	10	17b	6b	15	2	5
MGT4-CC129	B	199	+	+	+	+	+	+	+	+	+	+			42	10b	19	10	10	13	6b	15	2	5
MGT4-CC30	B	135		+	+	+	+	+	+	+		+			42	10b	19	10	10	13	6b	15	2	5
MGT4-CC1	B	8539		+	+	+	+	+	+	+	+				42	10b	19	11	9	13	6b	15	2	5
MGT4-CC13	B	14 927		+	+	+	+	+	+	+					42	10b	19	45	10	13	6b	15	2	5

a, SPI-2, 3, 4, 9,12,13,14 and 16 were found intact in all of the STs/CCs; SPI-8, 15, 18, 20 and 21 were absent in all STs/CCs.

b, The SPI was predicted to be intact in the ST/CC with all genes observed.