Decarboxylation of indoleacetic acid illuminates its evolution into a plant hormone
Roman Skokan, Vojtěch Schmidt, Petre Ivanov Dobrev, Vojtech Knirsch, Karel Müller, Barbora Svobodová, Jozef Lacek, Petr Maršík, Stanislav Vosolsobě, Yoan Coudert, Jan Petrášek
This study identifies IAA decarboxylation as a conserved metabolic pathway in streptophyte algae and land plants, linking IAA's instability to its evolution as a plant hormone.
bioRxiv · Sep 10, 2026 · PreprintPlant Biology