Abstract                 Volume:4  Issue-7  Year-2017          Original Research Articles

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Brassinosteroids – An Essential Steroidal Regulator: Its Structure, Synthesis and Signaling in Plant Growth and Development- A Review
Heena Khatoon1, Ananya Singh2, Farhan Ahmad1 and Aisha Kamal1*
1Department of Bioengineering, Integral University, Dasuli, Kursi Road, Lucknow-226 026, Uttar Pradesh, India
2Department of Biosciences, Integral University, Dasuli, Kursi Road, Lucknow-226 026, Uttar Pradesh, India
*Corresponding author

Brassinosteroids (BRs) are growth-initiating steroidal compound found in pollen, seeds, and young vegetative tissues throughout the plant kingdom. Brassinosteroids (BRs) collectively refers to naturally-occurring 5α cholestane steroids that elicit growth stimulation in nano- or micromolar concentrations. BRs that are biosynthesized using sterols as precursors are structurally similar to the cholesterol-derived, human steroid hormones and insect molting hormones. BRs have been known for decades to be effective in plant growth promotion. However, definitive evidence for their roles in growth and development remained unclear until the recent characterization of BR dwarf mutants isolated from Arabidopsis and other plants. This review inspects essential role of BRs in diverse developmental programs, including cell expansion, vascular differentiation, etiolation, and reproductive development. Current improvements regarding BR-regulated gene expression and signal transduction are also discussed.


Brassinosteroids,Physiological effect,Signaling pathway,Steroidal compounds

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How to cite this article:

Khatoon, H., Ananya, S., Ahmad, F., Aisha, K., 2017. Brassinosteroids – An essential steroidal regulator: Its structure, synthesis and signaling in plant growth and development- A review.Int.J.Curr.Res.Biosci.Plantbiol. 4(7): 88-96. doi: https://doi.org/10.20546/ijcrbp.2017.407.011