Table VI. Steady-state levels of adenine nucleotides in B33-TPS and B33-TPP transgenic tubers compared with the wild-type control.

Values represent means ± sd of 10 individual plants. * Significant difference (P < 0.001) according to Student’s t test (II) compared with the wild-type control.

Plant Line	ATP	ADP	ATP/ADP Ratio
	nmol g−1 fresh wt
Wild type	21.2 ± 2.4	3.0 ± 0.4	7.2 ± 0.9
B33-TPS 16	6.7 ± 0.9*	4.7 ± 0.6*	1.4 ± 0.1*
B33-TPS 17	13.9 ± 0.9*	6.1 ± 0.3*	2.3 ± 0.2*
B33-TPS 29	4.9 ± 0.3*	8.3 ± 1.2*	0.6 ± 0.1*
B33-TPP 11	20.2 ± 1.0	7.5 ± 0.4*	2.7 ± 0.2*
B33-TPP 26	37.7 ± 1.7*	24.1 ± 0.9*	1.6 ± 0.1*
B33-TPP 34	46.9 ± 2.2*	14.3 ± 0.8*	3.3 ± 0.3*