Skip to main content

Advertisement

Table 2 Distribution of key virulence genes among B. cereus group species and WGS clades

From: Production of hemolysin BL by Bacillus cereus group isolates of dairy origin is associated with whole-genome phylogenetic clade

  % Isolates that carry virulence genesa
Species cry cya + lef + pag capA capB capC capD capE cesA cesB cesC cesD cytK entFM hblA hblB hblC hblD nheABC
B. anthracis (n = 5)   60 80 80 80 80 80       100      100
B. cereus (n = 20)   15 15 5 15 15 10 5 5 5 5 70 95 50 45 45 50 100
B. cytotoxicus (n = 1)             100 100      100
B. mycoides (n = 3)             33 100 100 67 100 100 100
B. pseudomycoides (n = 1)              100 100 100    100
B. thuringiensis (n = 14) 71   7   7 7       79 100 86 86 86 86 100
B. toyonensis (n = 1)        100    100    100 100 100 100 100 100
B. weihenstephanensis (n = 2) 50             100 100 50 100 100 100
Dairy-associated isolates (n = 22) 9            68 100 59 50 59 59 100
WGS clade
Clade I (n = 4)              100 100 75 75 75 100
Clade II (n = 2)             100 100 50 50 50 50 100
Clade III-a (n = 19) 16 26 37 26 37 37 32      47 100 26 26 26 26 100
Clade III-b (n = 6) 33 17           83 83 67 67 67 67 100
Clade III-c (n = 10) 10        10 10 10 10 50 100 10 10 10 10 100
Clade IV (n = 20) 40   5   5 5       95 100 100 95 95 100 100
Clade V (n = 3) 33       33    33    100 100 100 100 100 100
Clade VI (n = 4) 25             100 100 25 100 100 100
Clade VII (n = 1)            100 100      100
  1. a Virulence genes were identified in whole genome sequences using BLAST