Isolation and identification of Bacillus thuringiensis strains native of the Eastern Province of Saudi Arabia

Egyptian Journal of Biological Pest Control

Table 2 Frequency of cry-gene profile in Bt isolate strains identified by cry-gene universal primers

Cry-gene frequency (%)	Bt1	Bt2	Bt3	Bt4	Bt5	Bt6	Bt7	Bt8	Bt9	Bt10	Bt11	Bt12	Bt13
Cry1 (100%)	+	+	+	+	+	+	+	+	+	+	+	+	+
Cry2 (54%)	+	+	+	+	-	-	-	-	-	+	+	-	+
Cry3 (62%)	-	+	+	+	-	-	-	+	+	+	-	+	+
Cry4 (85%)	-	+	+	+	+	+	+	+	+	+	+	+	-
Cry7 andCry8 (54%)	-	+	+	+	+	-	-	-	-	+	-	+	+