OsFTIP7 determines metallic oxide nanoparticles response and tolerance by regulating auxin biosynthesis in rice
文献类型： 外文期刊
作者： Jiang, Meng 1 ; Wang, Jiaxuan 1 ; Rui, Mengmeng 1 ; Yang, Lijia 1 ; Shen, Jun 1 ; Chu, Huangwei 2 ; Song, Shiyong 1 ; Che 1 ;
作者机构： 1.Zhejiang Univ, Inst Crop Sci, State Key Lab Rice Biol, Zhejiang Prov Key Lab Crop Genet Resources, Hangzhou 310058, Peoples R China
2.Shanghai Acad Agr Sci, Inst Crop Breeding & Cultivat, Shanghai 201403, Peoples R China
关键词： Metallic oxide nanoparticle; Oxidative stress; Protein trafficking; Phytohormone; Rice
期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：10.588； 五年影响因子：10.129 ）
ISSN： 0304-3894
年卷期： 2021 年 403 卷
页码：
收录情况： SCI
摘要： The widely application of metallic oxide nanoparticles (NPs) has led to an increase in their accumulation in farmland. Previous studies have found that the metallic oxide NPs have negative effect on plants development and growth. Nonetheless, the underlying mechanism of response to metallic oxide NPs in rice remains elusive. In this study, we show that rice FT-INTERACTING PROTEIN 7 (OsFTIP7) plays an essential role in NPs of CuO and ZnO-mediated physiological and biochemical changes in rice. Loss of function of OsFTIP7 reduced the toxicity of the NPs of CuO and ZnO to the seedlings by accumulating more biomass and chlorophyll contents. Furthermore, after high exposure to metallic oxide NPs, more indole-3-acetic acid (IAA) were determined in Osftip7 with higher expression of auxin biosynthetic genes than the control seedlings. What's more, IAA-treated seedlings displayed the similar phenotype as Osftip7 under high concentrations of NPs of CuO and ZnO. Taken together, the results substantiate that OsFTIP7 is involved in metallic oxide nanoparticle-mediated physiological and biochemical changes by negatively regulating auxin biosynthesis in rice.
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