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HY5, an integrator of light and temperature signals in the regulation of anthocyanins biosynthesis in Arabidopsis

Faculty of Biotechnology, Ho Chi Minh City Open University, 97 Vo Van Tan Street, District 3, Ho Chi Minh City, Vietnam

Anthocyanins are well-known plant specialized metabolites and this group can be classified into the phenolic compound class based on their chemical structure characterizing by a C6-C3-C6 carbon framework. Anthocyanins have been identified to play various functions in plants, for example, pigmentation of floral organs, UV protection, and defense system. In addition to their functions in plant growth and development, anthocyanins are also considered as a good natural antioxidant which can be used for human. Because of important functions, the biosynthesis of anthocyanins is precisely regulated by a number of endogenous and exogenous factors. In the plant, light and temperature are critical environmental factors contributing to various developmental processes. From the first identification, ELONGATED HYPOCOTYL 5 (HY5) has been documented to play as an important transcription factor that is involved in a number of signal transduction ways including light and temperature pathways. The purpose of this review is to provide a precise overview of current research progress on the regulation of anthocyanins biosynthesis under the control of HY5 transcription factor.
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Keywords anthocyanins biosynthesis; HY5; light; MYB; temperature; transcription

Citation: Nguyen Hoai Nguyen. HY5, an integrator of light and temperature signals in the regulation of anthocyanins biosynthesis in Arabidopsis. AIMS Molecular Science, 2020, 7(2): 70-81. doi: 10.3934/molsci.2020005

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