Anthocyanins: from biosynthesis regulation to crop improvement
Anthocyanins: from biosynthesis regulation to crop improvement
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花青素：从生物合成调控到作物改良
DOI：
10.1080/23818107.2021.1909498
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发表时间：
2021-04
期刊：
影响因子：
1.5
通讯作者：
Huapeng Zhou
中科院分区：
文献类型：
--
作者：
Xia Sun;Qiongqiong Zhang;Huapeng Zhou
摘要花青素是一种天然的水溶性色素，属于类黄酮化合物的一大类，是具有多种活性的重要次生代谢物。花色苷广泛存在于植物体内，在植物的抗逆性中发挥着重要作用，如耐低温、耐干旱、耐强光、耐营养饥饿等。模式植物花青素生物合成的基本信号网络已被描述，但整个调控机制仍需充分阐明。本文简要综述了花青素生物合成的研究进展，重点介绍了花青素生物合成的调控成分、转录因子和环境调控。还概述了花青素在植物对环境胁迫的抗性中的重要贡献。构建富含花色苷的植物可能是作物改良的一种通用方法，并对该领域的最新进展进行了讨论。
ABSTRACT Anthocyanins are natural water-soluble pigments belonging to the large class of flavonoid compounds, which are crucial secondary metabolites with multiple activities. Anthocyanins ubiquitously exist in plants and play an important role notably in plant stress tolerance, such as resistance to low temperature, drought, high light as well as nutrient starvation. The basic signaling networks of anthocyanin biosynthesis in model plants have been characterized, but the whole regulatory mechanism still needs to be fully elucidated. Here we briefly review the research progress on anthocyanin biosynthesis, focusing on the implicated regulatory components, transcription factors (TFs) and environmental regulations. An overview of the essential contribution of anthocyanins to plant resistance to environmental stresses is also provided. The construction of plants enriched in anthocyanins might be a versatile way for crop improvement, and recent advances in this field are also discussed.
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