Table 1. Levels of NPTII and neo mRNA.

Plant linea	DB/DSb	neo mRNAc,d	NPTII (%)d,e
Nt-pHK38-2E	Ec	52.72 ± 21.11	16.39 ± 3.42
Nt-pHK39-3B	pt	14.53 ± 1.41	0.16 ± 0.13
Nt-pHK40-12B	–	100.00	23.00 ± 5.40

^aPlasmid name (for example pHK38), number and letter combination identify plant lines.

^bEc, E.coli; pt, tobacco plastid; –, absent.

^cPercent of level in Nt-pHK40 plants.

^dAverage of three to six measurements.

^ePercent of total soluble cellular protein.