Investigation of Virulence and Antibiotic-Resistance of Bacillus cereus Isolated from Various Spices

Table 6

Detection of some genes related to enterotoxin production.

Combination of genes	0–4^a	8–64^a	>128^a
cytK + nheA + hblC + entFM	6/23 (26%)	3/23 (13%)	14/23 (61%)
nheA + hblC + entFM	4/18 (19%)	5/18 (27%)	9/18 (54%)
nheA + cytK + entFM	1/3 (33%)	ND	2/3 (67%)
cytK + entFM	ND	1/1 (100%)	ND
nheA + entFM	5/9 (57%)	1/9 (10%)	3/9 (33%)
entFM	9/9 (100%)	ND	ND
nheA	35/70 (50%)	ND	35/70 (50%)

Note: ND^b -No gene combination detected. ^aFor the Oxoid test, the indexes from 0 to 128 corresponds to the last dilution (among serial dilutions) for which the enterotoxin remained present.