Doklady Biological Sciences

, Volume 485, Issue 1, pp 33–36 | Cite as

The Endogenous Brassinosteroid Content and Balance in Potato Microclones Is Determined by Organ Specificity and the Variety Ripening Term

  • M. V. EfimovaEmail author
  • R. P. Litvinovskaya
  • Yu. V. Medvedeva
  • O. K. Murgan
  • A. L. Sauchuk
  • V. V. Kuznetsov
  • V. A. Khripach


The brassinosteroid (BS) profiles in shoots and roots of the potato plants were shown to be organ-specific and dependent on the term of variety ripening. The amount of all studied groups of steroid phytohormones proved to be an order of magnitude higher in roots than in shoots. In roots, the brassinosteroid lactones predominated, while in shoots, their biogenetic precursors, 6-ketones, were prevailing. The early-ripening variety Zhukovsky Early is characterized by a high content of almost all BS groups (first of all, brassinolide group) and a relatively high content of B-lactones in shoots. With aging, the content of B-lactones in plants decreases, while that of B-ketones grows up.



This study was supported by the Russian Science Foundation, project no. 16-16-04057.


The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • M. V. Efimova
    • 1
    Email author
  • R. P. Litvinovskaya
    • 2
  • Yu. V. Medvedeva
    • 1
  • O. K. Murgan
    • 1
  • A. L. Sauchuk
    • 1
  • V. V. Kuznetsov
    • 1
    • 3
  • V. A. Khripach
    • 1
    • 2
  1. 1.National Research Tomsk State UniversityTomskRussia
  2. 2.Institute of Bioorganic Chemistry, National Academy of Sciences of BelarusMinskBelarus
  3. 3.Timiryazev Institute of Plant Physiology, Russian Academy of ScienceMoscowRussia

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