Table 1

Virulence genes, PFGE and MLVA profiles of VTEC O157:H7 isolated from Swedish sheep
PFGE type Source1 Year vtx-genes2 eaeA hlyA cdtV-B Clade 83 LSPA-6 MLVA profile4 Exact matches
K PS / M 2007 1,2c + + - - 213111 15-8-14-3-9-7-5-10 PFGE: Human 2008
Va PS / I 2008 1 + + - - 213111 NA-7-16-5-9-6-5-11
Vb PS / I 2007 1, 2cINS + + - - 213111 NA-7-15-5-9-6-5-11
La PS / E 2008 2c + + - - 211111 5-7-14-4-6-6-NA-5
Lb PS / E 2008 2c + + - - 211111 4-7-NA-5-3-9-5-8
Lc PS / E 2008 2,2c + + - + 211111 17-7-20-4-4-7-8-5
Ld PS / E 2008 2c + + - - 223323 14-7-11-3-4-5-9-6 PFGE: Human 2003, Cattle 2005 (x7)
Ld PS / E 2008 2c + + - - 223323 14-7-11-3-4-5-9-6 PFGE: Human 2003, Cattle 2005 (x7)
Sa PS / R 2008 2c + + + - 211111 5-7-12-4-6-6-7-5
Sb PS / R 2008 2c + + + - 211111 5-7-13-4-9-6-7-5
Sb PS / R 2008 2c + + + - 211111 5-7-13-4-9-6-7-5
Y H / M 2004 2c + + + - 211111 5-7-14-4-6-6-6-5 MLVA: Cattle 2008 (x2)
T H / M 2006 1,2c + + - - 213111 NA-7-10-3-8-7-5-7
E H / M 2009 2c + + - - 223323 22-8-11-3-4-5-6-6

1Sources are specified as the prevalence study (PS) or farms linked to human cases of illness (H), and by county, where M = Halland, I = Gotland, E = Östergötland and R = Skaraborg.

22c = Stx2c-O157-FLY16; 2 = Stx2-O157-EDL933. INS = IS1209v-like insert in the gene.

3Clade 8 status of isolates assessed by SNP analysis for SNP539.

4NA = no amplicon for this locus.

Söderlund et al.

Söderlund et al. BMC Veterinary Research 2012 8:200   doi:10.1186/1746-6148-8-200

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