Table 3: Effects of Nucleotide Solutions on the Abundance of mRNAs Encoding the Drug Metabolizing Enzymes. GDH-Synthesized RNA Fragments were Used as Probes

Treatments of Seedlings ATP 4NTP 4NTP/NH4+ NH4+ CTP 3NTP GTP Control G+C A+U UTP

Phase I:
Cyt P450 reductase 1 7 8 1 1 10 1 1 4 4 1
Superoxide dismutase 10 5 nd 1 1 1 1 1 1 3 1
Alternative oxidase 1 1 8 1 10 10 1 1 1 1 1

Phase II:
GSH S-Transferase 10 10 nd 1 1 1 1 1 -1 1 -1
UDP-Glucosyltransferase 6 3 4 3 3 10 7 1 4 4 1(ref)

Phase III:
ABC Transporters 10 8 6 2 4 8 2 1 5 1 -1
ATPase 3 8 nd 1 10 1 6 1 5 1 1
Proton pump 8 5 nd -2 2 -2 4 1 1 1 -2

Processes Supporting
Drug metabolism:
Transcription= 1 1 nd 1 8 10 1 1 4 4 1
Translation+ 8 10 10 8 5 7 1 1 1 1 1
Translation╪ 6 8 nd 6 10 10 6 1 6 1 -1

Notes: nd is not determined; ref is [47]. *using fragment 2 as probe; + using fragment 3a as probe; ╪ using fragment 4 as probe.