植物响应镉胁迫的生理生化机制研究进展

安婷婷, 黄帝, 王浩, 张一, 陈应龙

Research Advances in Plant Physiological and Biochemical Mechanisms in Response to Cadmium Stress

Tingting An, Di Huang, Hao Wang, Yi Zhang, Yinglong Chen

表2 植物蛋白对Cd胁迫的响应

Table 2 Responses of plant proteins to Cd stress

物质 主要因子 功能 参考文献 非酶物质 MT、PC、GSH和果胶 与Cd螯合, 固定在液泡或细胞壁中 Xu et al., 2017, 2020; Jia et al., 2019 抗氧化酶 SOD、CAT、APX、GPX、DHAR、GR、GSH、CBS和ATPS 减少ROS和RNS等物质的积累 Yadav, 2010; Zhang et al., 2019b 金属转运蛋白基因 LCT、CDF、CAX、NRAMP、ABC、ZIP、IRT、HMA和LCD 吸收或运输Cd离子, 提高植物的Cd积累和对Cd的耐受性 孙瑞莲和周启星, 2005; Yuan et al., 2012; Park et al., 2012; Mikkelsen et al., 2012; 张标金等, 2013; Huang et al., 2016; Feng et al., 2017; 袁连玉等, 2017; 黄新元和赵方杰, 2018; Wu et al., 2019; Zhang et al., 2020a, 2020b; Khan et al., 2020 转录因子调节蛋白基因 WRKY、MYB和HSF 与DNA结合, 参与激素和抗氧化酶等, 从而调控Cd的吸收、运输和积累 ülker and Somssich, 2004; Rushton et al., 2010; Dubos et al., 2010; Hong et al., 2017; Song et al., 2018; Zhang et al., 2019a; Cai et al., 2020; Chen et al., 2020