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    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.


    Xiaolan Li, Qunli Ren, Wenxin Zhao, Chengcheng Liao, Qian Wang, Tianhao Ding, Huan Hu, Miao Wang. Interaction between UV-B and plant anthocyanins. Functional plant biology : FPB. 2023 Aug;50(8):599-611

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    PMID: 37137468

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