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Peroxidase like Zn doped Prussian blue facilitates salinity tolerance in winter wheat through seed dressing1

文献类型： 外文期刊

作者： Xu, Wenlong 1 ; Feng, Yingchen 1 ; Ding, Zixuan 1 ; Liu, Hejun 1 ; Wu, Hongsheng 2 ; Ye, Enyi 5 ; Orooji, Yasin 6 ; Xiao, Qingbo 1 ; Zhang, Zhiyang 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing 210014, Peoples R China

2.Nanjing Univ Informat Sci & Technol, Coll Appl Meteorol, Nanjing 210044, Peoples R China

3.Jiangsu Univ, Coll Environm & Safety Engn, Zhenjiang 212013, Peoples R China

4.Minist Agr & Rural Affairs, Key Lab Saline Alkali Soil Improvement & Utilizat, Nanjing 210014, Peoples R China

5.Agcy Sci Tech & Res ASTAR, Inst Mat Res & Engn IMRE, Singapore 138634, Singapore

6.Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China

关键词： Zn doped Prussian blue nanozyme; Saline stress; Antioxidation

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）

ISSN： 0141-8130

年卷期： 2024 年 267 卷

页码：

收录情况： SCI

摘要： Salt stress severely limits the growth and yield of wheat in saline-alkali soil. While nanozymes have shown promise in mitigating abiotic stress by scavenging reactive oxygen species (ROS) in plants, their application in alleviating salt stress for wheat is still limited. This study synthesized a highly active nanozyme catalyst known as ZnPB (Zn-modified Prussian blue) to improve the yield and quality of wheat in saline soil. According to the Michaelis-Menten equation, ZnPB demonstrates exceptional peroxidase-like enzymatic activity, thereby mitigating oxidative damage caused by salt stress. Additionally, studies have shown that the ZnPB nanozyme is capable of regulating intracellular Na+ efflux and K+ retention in wheat, resulting in a decrease in proline and soluble protein levels while maintaining the integrity of macromolecules within the cell. Consequently, field experiments demonstrated that the ZnPB nanozyme increased winter wheat yield by 12.15 %, while also significantly enhancing its nutritional quality. This research offers a promising approach to improving the salinity tolerance of wheat, while also providing insights into its practical application.

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