Fe(III) transporter OsYSL15 may play a key role in the uptake of Cr(III) in rice (Oryza sativa L.)
文献类型： 外文期刊
作者： Li, Jingjing 1 ; Chen, Wenzhen 1 ; Xu, Kairan 1 ; Xie, Weipeng 1 ; Qi, Hua 1 ; Tang, Yetao 2 ; Wang, Shizhong 2 ; Deng, Tenghaobo 3 ; Morel, Jean-Louis 2 ; Qiu, Rongliang 1 ;
作者机构： 1.South China Agr Univ, Coll Nat Resources & Environm, Guangdong Prov Key Lab Agr & Rural Pollut Abatemen, Guangzhou 510642, Peoples R China
2.Sun Yat sen Univ, Sch Environm Sci & Engn, Guangzhou 510006, Peoples R China
3.Guangdong Acad Agr Sci, Inst Qual Stand & Monitoring Technol Agroprod, Guangzhou 510640, Peoples R China
4.Univ Lorraine, Lab Sols & Environm, INRAE, F-54518 Vandoeuvre Les Nancy, France
5.Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Peoples R China
关键词： Cr(III); Uptake; Rice; Fe(III); YSL
期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：13.6； 五年影响因子：12.7 ）
ISSN： 0304-3894
年卷期： 2024 年 469 卷
页码：
收录情况： SCI
摘要： Due to the widely discharge of chromium (Cr) by mining and smelting industries, etc., contamination of paddy soils and rice has become serious problems. Therefore it is crucial to explore how rice takes up Cr. Cr(III) is the most common Cr form in the long-term water flooding paddy soils. Here, we demonstrate that OsYSL15, a key gene for Fe(III) uptake, is equally applicable for Cr(III) uptake in rice. Firstly, the antagonistic effect of Cr(III) and Fe(III) in the uptake process was found. Rice could accumulate more Cr(III) under Fe-deficient conditions. And the Fe(III) content in the protoplasts of rice root cells gradually decreased with the increase exposure of Cr(III). Knockdown of OsYSL15 in rice significantly reduced the Cr(III) uptake rate. Compared with wild type rice, the accumulation of Cr(III) in OsYSL15 mutant was decreased by 40.7%- 70.6% after gene editing. These results
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