Abstract
Plant hormones regulate various aspects of the growth and development of plants. Perception and signaling of plant hormones are highly sophisticated, but have been increasingly clarified by biochemical and molecular techniques. Recently, chemical genetics is becoming a more powerful approach to elucidate hormone actions, where plant hormone agonists and antagonists as well as biosynthesis inhibitors are utilized. In this review, we give an overview of plant hormone agonists and antagonists which have been or can be used for elucidation of plant hormone actions. Some successful chemical genetic studies are also introduced.
