Table 2.

Modifications of gluconate 6-P, NADPH, and NADP⁺ induced in X. elegans thalli by glucosamine treatment. Lichens were incubated for 1 h in the dark in the presence of 5 mM N-glc (wet thalli) and a fraction of them was subsequently let drying under natural conditions (dry thalli), prior to PCA extraction. Metabolites were identified and quantified as indicated in Table 1. Values are given as μmol g⁻¹ lichen dry wt. Abbreviations as indicated in the legends of figure 3; nd, not detected (<0.05 μmol). Values were obtained from a series of independent experiments and are given as mean ± SD (n=5).

metabolite	Wet thalli	Dry thalli
N-glucosamine 6-P	0.38 ± 0.04	0.37 ± 0.04
glucose 6-P	0.62 ± 0.06	nd
gluconate 6-P	0.04 ± 0.01	0.03 ± 0.01
NADPH	0.02 ± 0.01	nd
NADP+	0.07 ± 0.01	0.08 ± 0.01