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Table 3 Distribution of enterotoxin and emetic toxin genes in B. cereus senso lato isolated from dairy farm and milk product

From: Prevalence, virulence factor genes and antibiotic resistance of Bacillus cereus sensu lato isolated from dairy farms and traditional dairy products

Toxigenic genes Number of strains (%)a positive for target gene(s)
Soil (n = 30) Raw milk (n = 24) Nunu (n = 18) Woagashie (n = 24) Total (n = 96)
NHE gene complexes
nheA 3 (10) 1 (4) 0 (0) 2 (8) 6 (6)
nheB 1 (3) 1 (4) 0 (0) 0 (0) 2 (2)
nheC 1 (3) 0 (0) 1 (6) 2 (8) 4 (4)
nheA + nheB 2 (7) 2 (8) 0 (0) 1 (4) 5 (5)
nheA + nheC 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
nheB + nheC 2 (7) 3 (13) 4 (22) 4 (17) 13 (14)
nheA + nheB + nheC 19 (63) 15 (63) 9 (50) 15 (63) 58 (60)
 None detected 2 (7) 2 (8) 4 (22) 0 (0) 8 (8)
HBL gene complexes
hblA 4 (13) 4 (17) 1 (6) 2 (8) 11 (11)
hblC 1 (3) 5 (21) 3 (17) 1 (4) 10 (10)
hblD 5 (17) 2 (8) 2 (11) 7 (29) 16 (17)
hblA + hblC 0 (0) 3 (13) 0 (0) 0 (0) 3 (3)
hblA + hblD 6 (20) 2 (8) 1 (6) 3 (13) 12 (13)
hblC + hblD 1 (3) 3 (13) 0 (0) 4 (17) 8 (8)
hblA + hblC + hblD 5 (17) 1 (4) 4 (22) 2 (8) 12 (13)
None detected 8 (27) 4 (17) 7 (39) 5 (21) 24 (25)
Other genes
cytK 9 (30) 21 (88) 18 (100) 24 (100) 72 (75)
entFM 19 (63) 17 (71) 15 (83) 13 (54) 64 (67)
Ces 0 (0) 5 (21) 1 (6) 3 (13) 9 (9)
  1. apercentages have been converted to the nearest whole numbers