WebThe reduction of castasterone with sodium in ethanol produced chiefly the known 6α-hydroxy stereoisomer, whereas reduction with sodium borohydride in methanol afforded mainly the novel 6β-epimer. Both compounds showed variable bioactivity through four separate assays via the rice leaf lamina inclination bioassay. However, when treated with … Web1 apr. 2000 · Precursor administration experiments with -labeled 6-oxocampestanol, 6-deoxocastasterone and 6α-hydroxycastasterone in cultured cells of Catharanthus …
Synthesis and bioactivity of 6α- and 6β-hydroxy analogues of …
Web6-Deoxocastasterone 6α-Hydroxycastasterone Castasterone Perception, signal transduction Brassinolide Late C-6 oxidation pathway 3-Dehydro-6-deoxoteasterone 3-Dehydroteasterone Teasterone Cathasterone dwf7 ste1 dwf5 dwf1 dim cbb1 det2 dwf6 cpd dwf3 cbb3 cpd dwf3 cbb3 bri1 dwf2 cbb2 5-Dehydroepisterol Cycloeucalenol 24 … Web1 feb. 1998 · INTRODUCTION. The sessile nature of plants requires that they make fine but responsive adjustments in growth to survive harsh environmental conditions and to optimize their use of limited resources (Trewavas, 1986).Plant growth in response to environmental factors is modulated by plant hormones acting alone or in concert (Evans, 1984), and … clerk of court bamberg sc
6alpha-hydroxy-6-deoxocastasterone (CHEBI:20760)
WebAbstract. Our previous studies on the endogenous brassinosteroids (BRs) in Arabidopsis have provided suggestive evidence for the operation of the early C6-oxidation and the late C6-oxidation pathways, leading to brassinolide (BL) in Arabidopsis. However, to date the in vivo operation of these pathways has not been fully confirmed in this species. Web6 nov. 2003 · Abstract. Active brassinosteroids, such as brassinolide (BL) and castasterone, are growth promoting plant hormones. An Arabidopsis cytochrome p450 monooxygenase encoded by CYP72B1 has been implicated in brassinosteroid catabolism as well as photomorphogenesis. We expressed CYP72B1 in yeast, coupled with brassinosteroid … WebIn these experiments, the intermediate 6α-hydroxycastasterone was identified, indicating that DWARF catalyzes two steps in BR biosynthesis. These data show that DWARF is … clerk of court bankruptcy tampa