Abstract
Brassinosteroids (BRs) are the polyhydroxylated plant hormones sharing a common resemblance with animal steroids. They are active even at very low concentrations and are implicated for their pleiotropic involvement in diverse physiological processes and defense strategies during stress in plants. These compounds are well apparent in the plant kingdom with higher amounts in juvenile tissues. A total of 62 steroidal compounds have been identified so far. Keeping their significance in mind, researchers not only have worked extensively on their isolation, but also they were synthesizing their synthetic isomers. Different analytical techniques like HPLC, GC-MS, LC-MS/MS, UPLC-MS/MS, and bioassay-based methods have been used for their isolation, detection, and characterization from composite plant materials. Therefore, this review provides comprehensive information to the readers intending to isolate and characterize BRs, using either laborious techniques or modern-day more efficient methods.
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Acknowledgements
Mukesh Kumar Kanwar and Renu Bhardwaj are grateful to Department of Biotechnology (BT/PR9286/NDB/52/81/2007) and Council Scientific and Industrial Research (CSIR-SRF, fellowship), Government of India for providing financial assistance. This work was also supported by the National Science Centre (Poland) for allocating funds to Andrzej Bajguz (DEC-2012/05/B/NZ8/00958) and by National Key Research and Development Program of China for allocating funds to Jie Zhou (2016YFD0201001). We would also like to extend thanks all co-workers whose names are mentioned in the references for their tremendous contributions to the development of different techniques for the isolation and characterization of brassinosteroids from plants.
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MKK, RB, and AB conceived the idea for review. MKK and AB wrote the manuscript and have contributed equally to this work. JZ, and RB provided the crucial comments and improved the manuscript. All authors reviewed the manuscript.
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Kanwar, M.K., Bajguz, A., Zhou, J. et al. Analysis of Brassinosteroids in Plants. J Plant Growth Regul 36, 1002–1030 (2017). https://doi.org/10.1007/s00344-017-9732-4
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DOI: https://doi.org/10.1007/s00344-017-9732-4