Table 5.

Comparison of expression level of cry1 and insecticidal activity of B. thuringiensis strains. All data were expressed as mean ± standard deviation (n = 3); Ct, cycle threshold.

Strain	Mortality (%)			Expression level of cry1 genes (Ct value)
	25 mg/L (global Cry protein)
	24 h	48 h	72 h
TT30	93.33 ± 11.55	100.00 ± 0.00	100.00 ± 0.00	17.83
TT59	100.00 ± 0.00	100.00 ± 0.00	100.00 ± 0.00	18.92
TT48	60.00 ± 10.00	82.67 ± 6.35	88.04 ± 11.96	19.00
TT50	83.33 ± 15.28	100.00 ± 0.00	100.00 ± 0.00	22.73
TT12	79.30 ± 10.35	96.33 ± 6.35	96.14 ± 6.68	22.76
TT57	2.85 ± 4.93	3.58 ± 3.10	0.15 ± 0.13	38.25
TT23	3.33 ± 5.77	10.07 ± 6.26	20.10 ± 6.57	39.59
TT4	3.33 ± 5.77	2.33 ± 4.04	4.62 ± 4.00	39.79
TT56	0.00 ± 0.00	0.00 ± 0.00	0.07 ± 0.13	39.80
TT47	74.53 ± 9.47	84.00 ± 10.39	83.42 ± 10.50	39.86
TT3	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	39.87
TT11	2.28 ± 3.94	2.00 ± 0.00	0.00 ± 0.00	39.88
TT19	4.93 ± 4.31	17.01 ± 5.74	24.54 ± 9.62	39.91
TT49	80.00 ± 10.00	96.67 ± 5.77	96.01 ± 6.91	39.98