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Table 5 Serum resistance distribution among different LPS-types of 298 Y. enterocolitica BT 1A strains and 83 Y. enterocolitica strains of other biotypes

From: Clinical isolates of Yersinia enterocolitica Biotype 1A represent two phylogenetic lineages with differing pathogenicity-related properties

LPS-type 0 (all dead) + (0.01-5%) ++ (5ā€“50%) +++ (> 50%) No. of strains (nā€‰=ā€‰381)
A1 (O:41(27)43; O:41, 43)a 3 2 2 0 7
A2 (O:10) d 6 1 4 1 12
A2 (O:10) Gen. group 2 1 2 9 1 13
A2 (BT 2/O:9)b 1 3 1 0 5
A3 (O:1; O:2; O:3) 1 0 0 1 2
A3 (O:1; O:2; O:3) Gen. group 2 1 0 0 0 1
A3 (BT 3ā€“4/O:3)b 1 4 25 46 76
B1 (O:13,18; O:25) 10 2 3 2 17
B2 (O:7,8; O:13,7; O:50) c 70 4 2 1 77
B3 (O:14; O:34; O:4,32) 3 1 0 0 4
B4 (O:4; O:8; O:21; O:35,42) 1 0 0 0 1
C1 (O:6; O:6,30; O:6,31)d 36 33 35 5 109
C2 (BT 1A/O:5)b 6 10 15 14 45
D (rough/semi-rough) 8 1 0 0 9
D (rough/semi-rough) Gen. group 2 1 0 2 0 3
  1. The strains belong to biotype 1A and Genetic group 1 unless otherwise indicated.
  2. a The known serotypes with similar LPS structure shown in parenthesis.
  3. b Serotype confirmed with agglutination test.
  4. c Serotype confirmed with O:8 agglutination test for 56 strains.
  5. d This group contains one non-biotypeable Y. enterocolitica strain.