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Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
REVIEW

Interaction between UV-B and plant anthocyanins

Xiaolan Li https://orcid.org/0000-0003-3656-2569 A B * , Qunli Ren A B , Wenxin Zhao B , Chengcheng Liao A , Qian Wang A B , Tianhao Ding A , Huan Hu A B and Miao Wang A B
+ Author Affiliations
- Author Affiliations

A Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563000, P. R. China.

B School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, P. R. China.

* Correspondence to: lixiaolanl@163.com

Handling Editor: Suleyman Allakhverdiev

Functional Plant Biology 50(8) 599-611 https://doi.org/10.1071/FP22244
Submitted: 9 October 2022  Accepted: 16 April 2023   Published: 4 May 2023

© 2023 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

UV-B is an important light condition for inducing anthocyanin synthesis in plants. Plants have corresponding photoreceptors such as UV RESISTANCE LOCUS8 (UVR8) and transduce light signals to the nucleus, which regulate the expression of structural and regulatory genes for anthocyanin synthesis through members such as ELONGATED HYPOCOTYL 5 (HY5), thereby increasing or decreasing anthocyanin accumulation. At the same time, excessive UV-B irradiation (artificial light experiments or extreme environmental conditions) is a light stress for plants, which can damage plants and cause DNA damage or even cell death and other adverse effects. In addition, the effect of UV-B on anthocyanin accumulation in plants is usually combined with other abiotic factors, including other wavelengths of light, water deficit conditions, high or low temperatures, and heavy metal ions, all of which cause plants to change their anthocyanin accumulation in time to adapt to variable survival conditions. The review aims to bring together our understanding of the interactions between UV-B and anthocyanins, which can help further the development of the anthocyanin industry.

Keywords: abiotic stress, absorption, anthocyanin, biosynthesis, molecular mechanism, stimulation of light, UV-B, UVR8.


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