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Table 3 Distribution of different combinations of virulence genes in B. cereus group isolates in different groups

From: Toxigenic potential and antimicrobial susceptibility of Bacillus cereus group bacteria isolated from Tunisian foodstuffs

Group

Genes presents

Number of isolates

% isolates in each group

G1

HBL complex, NHE complex, bceT, cytK

36(8+ 26a + 1b + 1c)

20.7

G2

HBL complex, NHE complex, bceT

29(9+ 15a + 1b + 4c)

16.7

G3

HBL complex, NHE complex, cytK

7(1+ 3a + 3c)

4.0

G4

HBL complex, NHE complex

30(4+ 16a + 10c)

17.2

G5

NHE complex, bceT, cytK

8

4.6

G6

NHE complex, bceT

13(10+ 3b)

7.5

G7

NHE complex, cytK

12(11+ 1b)

6.9

G8

NHE complex

32(30+ 2b)

18.4

G9

NHE complex, HBL complex, ces

1c

0.6

G10

NHE complex, cytK, ces

3

1.7

G11

NHE complex, bceT, ces

2

1.1

G12

NHE complex, ces

1

0.6

  1. aLacked at least one gene of HBL complex; bLacked at least one gene of NHE complex; cLacked at least one gene of NHE & HBL complex