Journal of Integrative Plant Biology, 54 (10) : 746-759, Oct 2012     Research Article

Regulation of Brassinosteroid Biosynthesis and Inactivation

Baolin Zhao and Jia Li
Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education School of Life Sciences, Lanzhou University, Lanzhou 730000, China

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Online on 10 Sept 2012 at and


Brassinosteroids (BRs) are a group of naturally-occurring steroidal phytohormones playing fundamental roles during normal plant growth and development. Using a combination of experimental approaches, including analytical chemistry, genetics, and biochemistry, the major BR biosynthetic pathway has been largely elucidated. The least-understood knowledge in the BR research field is probably the molecular mechanisms controlling the bioactive levels of BRs in response to various developmental and environmental cues. In this review, we focus our discussion on a recently-proposed, 8-step predominant BR biosynthetic pathway, several newly-identified transcription factors regulating the expression of key enzymes that catalyze BR biosynthesis, and up-to-date information about the mechanisms that plants use to inactivate unnecessary BRs.

Zhao B, Li J (2012) Regulation of brassinosteroid biosynthesis and inactivation. J. Integr. Plant Biol. 54(10), 746–759.

Received 27 Aug 2012   Accepted 10 Sept 2012
© 2017 Institute of Botany, Chinese Academy of Sciences

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