Table IV.

Metabolism of [1-¹⁴C]Gly to ¹⁴CO₂ and [¹⁴C]Ser in darkness by maize leaf discs in a segregating mutant population with varying GO activities

The [¹⁴C]Gly and [¹⁴C]Ser were separated by HPLC as described in “Materials and Methods.” The mean values are given for each plant material ±se (n = 3).

Plant Material	¹⁴CO₂ Released	[¹⁴C]Ser Formed	¹⁴CO₂ to [¹⁴C]Ser
	dpm		mean ratio^a
Low GO	23,900 ± 2,410	21,300 ± 1,260	1.12
Intermediate GO	22,900 ± 1,730	22,400 ± 2,080	1.02
Wild-type GO	25,000 ± 5,340	29,200 ± 7,510	0.86

↵a One-way ANOVA indicated no significant effect (P = 0.43) of GO phenotype on the ¹⁴CO₂ to [¹⁴C]Ser ratio. The mean ratio calculated across all phenotypes was 1.02 (se ± 0.07; n = 9).