Brassinosteroids and Plant Steroid Hormone Signaling

Abstract
Steroids play a role as essential hormones in plants as well as in animals. Plants produce numerous steroids and sterols, some of which are recognized as hormones in animals ([Geuns, 1978][1]; [Jones and Roddick, 1988][2]). Brassinolide (BL) is the most bioactive form of the growth-promoting plant