Main Reaction: putrescine >> Spermidine

Reference: PubMed ID: 22188168
Authors: Brauc S, De Vooght E, Claeys M, Geuns JM, Höfte M, Angenon G
Title: Overexpression of arginase in Arabidopsis thaliana influences defence responses against Botrytis cinerea.
Published: 2012 Mar

putrescine --> Spermidine