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Table 3 Distribution of virulence genes among S. flexneri subtypes

From: Extensive inter-strain diversity among clinical isolates of Shigella flexneri with reference to its serotype, virulence traits and plasmid incompatibility types, a study from south India over a 6-year period

 

ipaH

sen

ial

set1a

set1B

virF

ompA

Type 2a

100% (48/48)

89.6% (43/48)

89.6% (43/48)

91.7% (44/48)

91.7% (44/48)

89.6% (43/48)

93.7% (45/48)

Type 6

100% (15/15)

80% (12/15)

86.7% (13/15)

20% (3/15)

20% (3/15)

93.3% (14/15)

93.3% (14/15)

Type 1b

100% (8/8)

25% (2/8)

50% (4/8)

25% (2/8)

25% (2/8)

37.5% (3/8)

87.5% (7/8)

Type 1 variant* (1v)

100% (7/7)

71.4% (5/7)

71.4% (5/7)

0

0

71.4% (5/7)

85.7% (6/7)

Type 3b

100% (12/12)

83.3% (10/12)

75% (9/12)

33.3% (4/12)

33.3% (4/12)

83.3% (10/12)

75% (9/12)

Type 4

100% (6/6)

66.7% (4/6)

66.7% (4/6)

66.7% (4/6)

66.7% (4/6)

66.7% (6/6)

66.7% (6/6)

Variant X

100% (1/1)

100% (1/1)

100% (1/1)

100% (1/1)

100% (1/1)

100% (1/1)

100% (1/1)

Variant Y

100% (2/2)

100% (2/2)

100% (2/2)

0

0

50% (1/2)

50% (1/2)

Nontypable S. flexneri

100% (2/2)

50% (1/2)

50% (1/2)

50% (1/2)

50% (1/2)

0

100% (2/2)

TOTAL

100% (101/101)

83.4% (84/101)

81.2% (82/101)

58.4% (59/101)

58.4% (59/101)

83.4% (84/101)

91.1% (92/101)

  1. *Identified in this study only