Inhibition of nitric oxide production under alkaline conditions regulates iron homeostasis in rice

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成果类型：

期刊论文

作者：

Li, Hao;Chen, Haifei;Deng, Suren;Cai, Hongmei;Shi, Lei;...

通讯作者：

Wang, Chuang

作者机构：

[Deng, Suren; Cai, Hongmei; Li, Hao; Xu, Fangsen; Shi, Lei; Wang, Chuang] Huazhong Agr Univ, Coll Resources & Environm, Microelement Res Ctr, Wuhan 430070, Peoples R China.

[Deng, Suren; Cai, Hongmei; Li, Hao; Xu, Fangsen; Shi, Lei; Wang, Chuang] Huazhong Agr Univ, Minist Agr, Key Lab Arable Land Conservat Middle & Lower Reac, Wuhan, Peoples R China.

[Chen, Haifei] Hunan Agr Univ, Coll Resources & Environm Sci, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Changsha, Peoples R China.

通讯机构：

[Wang, Chuang] H

Huazhong Agr Univ, Coll Resources & Environm, Microelement Res Ctr, Wuhan 430070, Peoples R China.

语种：

英文

期刊：

Physiologia Plantarum

ISSN：

0031-9317

年：

2021

卷：

172

期：

页码：

1465-1476

DOI：

10.1111/ppl.13333

基金类别：

Hao Li and Haifei Chen contributed equally to this study. Fundamental Research Funds for the Central University of China, Grant/Award Numbers: 2662017PY012, 2662019PY013; National Natural Science Foundation of China, Grant/Award Numbers: 31772378, 31801934, 32072663

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

Rice is one of the most susceptible plants to iron (Fe) deficiency under neutral and alkaline conditions. Alkaline stress induces H2O2 production and increases the deposition of Fe on the root surface, which causes leaf chlorosis and Fe deficiency in rice. Gene chip and qRT-PCR analysis indicated that the expression of the nitrate reductase (NR) genes were downregulated by alkaline treatment, which resulted in significantly decreased nitrate activity and nitric oxide (NO) production in the epidermis and stele, where H2O2 accumulated. In contrast, treatment with sodium nitroprusside (SNP), a NO...

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Inhibition of nitric oxide production under alkaline conditions regulates iron homeostasis in rice

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