Main Reaction: Putrescine >> Spermidine

Reference: PubMed ID: 26879262
Authors: Yoshimoto K, Takamura H, Kadota I, Motose H, Takahashi T
Title: Chemical control of xylem differentiation by thermospermine, xylemin, and auxin.
Published: 2016 Feb 16

Putrescine --> Spermidine