Journal of Experimental Botany, Vol 50, 275-282, Copyright © 1999 by Oxford University Press
J Li and J Chory
Recent studies on dwarf mutants of Arabidopsis, tomato
and pea have provided convincing evidence that brassinosteroids are a
unique class of plant hormones that are essential for normal plant growth.
Detailed metabolic analyses of these mutants, coupled with thorough
molecular and biochemical studies of their corresponding genes and gene
products, are essential for a better understanding of brassinosteroid
biosynthesis and its regulation. Molecular and genetic approaches have been
undertaken to dissect the brassinosteroid signaling pathway, leading to the
identification of a putative brassinosteroid receptor and a few
brassinosteroid-response genes. Further studies should expand our knowledge
on how brassinosteroids are perceived and transduced to regulate plant
development.Key words: Brassinosteroid, biosynthesis,
signal transduction, dwarf receptor kinase
ARTICLES
Review article. Brassinosteroid actions in plants
Howard Hughes Medical Institute, Plant Biology Laboratory, The Salk Institute for Biological Studies, 10010 N Torrey Pines Road, La Jolla, CA 92037, USA; Corresponding author
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