Plant Growth Regulation

, Volume 87, Issue 1, pp 165–174 | Cite as

Emerging functions of chromatin modifications in auxin biosynthesis in response to environmental alterations

  • Bich Hang Do
  • Vu Thi Bach Phuong
  • Gia-Buu Tran
  • Nguyen Hoai NguyenEmail author
Review Paper


Auxin is one of the most important hormone groups in plants. It has been documented to play various functions in plant growth and development. In this phytohormone group, indole-3-acetic acid (IAA) is widely considered as a main natural auxin. To date, many lines of evidence have revealed that the alterations of ambient environment such as light and temperature conditions can affect the IAA biosynthesis which consequently redirects the growth and development of the plants so that they can adapt to the new environmental conditions. Current studies have shown the large impact of chromatin modifications in the regulation of eukaryotic gene expression. Previous studies have elucidated different epigenetic factors in the regulation of auxin signaling pathway in the plants. This review aimed to provide a precise and systemic overview of the chromatin modifications at the auxin biosynthesis gene loci, namely YUCCA (YUC) genes, and their effects on the expression of these genes. Based on these emerging data, we propose different hypothetical models demonstrating the functions of epigenetic factors as well as chromatin modifications in the regulation of YUC genes which can subsequently determine the auxin accumulation in the plants.


Auxin biosynthesis Chromatin modifications Environmental alterations H2A.Z IAA PIF YUCCA (YUC) 



We would like to thank Dr. Sara D Siegel (The University of Texas Southwestern, Texas, USA) for her careful and critical reading of our manuscript. This work was supported by a Grant from Ho Chi Minh City Open University (to Nguyen Hoai Nguyen, 2018).


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© Springer Nature B.V. 2018

Authors and Affiliations

  • Bich Hang Do
    • 1
  • Vu Thi Bach Phuong
    • 2
  • Gia-Buu Tran
    • 3
  • Nguyen Hoai Nguyen
    • 4
    Email author
  1. 1.Faculty of PharmacyTon Duc Thang UniversityHo Chi Minh CityVietnam
  2. 2.Department of Plant Biotechnology and Biotransformation, Faculty of Biology-BiotechnologyUniversity of Science, Vietnam National University - Ho Chi Minh City227 Nguyen Van Cu Street, District 5, Ho Chi Minh CityVietnam
  3. 3.Department of Biotechnology, Institute of Biotechnology and Food-technologyIndustrial University of Ho Chi Minh CityHo Chi Minh CityVietnam
  4. 4.Faculty of BiotechnologyHo Chi Minh City Open UniversityHo Chi Minh CityVietnam

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