Biofilm formation by virulent and non-virulent strains of Haemophilus parasuis

Table 1 Haemophilus parasuis strains used in the present study

Strains	Susceptibility¹to		*lsgB* ²	group1vtaA²	MLST³	Serovar
Strains	Serum	Phagocytosis	*lsgB* ²	group1vtaA²	MLST³	Serovar
Nasal strains
F9	S	S	-	-	C	6
ND14-1	S	S	-	-	C	7
SC14-1	S	S	-	-	C	15
MU21-2	S	S	-	-	C	7
SL3-2	S	S	-	+	B	10
Strains from lesions
Nagasaki	R	R	+	+	A	5
P015/96	R	R	+	+	A	5
ER-6P	R	R	+	+	A	15
264/99	R	R	+	+	A	10
IT29205	R	R	+	+	A	4
2725	S	R	+	+	A	10
373/03A	I	R	-	+	A	7
PV1-12	S	R	-	+	B	15
9904108	S	R	-	-	C	4

¹(S) sensitive; (I) intermediate; (R) resistant.
²(+) gene present; (−) gene absent.
³Cluster associated with isolates from systemic lesions (A); with nasal isolation (C); or cluster with no statistical association with clinical origin (B) [2].

ISSN: 1297-9716