Figure 2: Proposed pathway of polyamine conjugates biosynthesis.
From: Metabolome-based genome-wide association study of maize kernel leads to novel biochemical insights
The common conjugates are indicated in blue and new candidate genes in red (confirmed) and golden (not verified). ADC, arginine decarboxylase; AIH, agmatineiminohydrolase; CPA, N-carbamoylputrescineamidohydrolase; DAO, diamine oxidase; SPDS, spermidinesynthase; SPMS, spermine synthase; PAO, polyamine oxidase; PHT, putrescine: hydroxycinnamoyltransferase; GT, glycosyltransferase; CCoAOMT1, caffeoyl-CoA O- methyltransferase 1. Candidate gene revealed by the association analysis was put in the bracket under the corresponding metabolite.
