Nitrate transporters and mechanisms of nitrate signal transduction in Arabidopsis and rice.

IF 5.4 2区 生物学 Q1 PLANT SCIENCES
Xiaojia Zhang, Qian Zhang, Na Gao, Mingchao Liu, Chang Zhang, Jiajun Luo, Yibo Sun, Yulong Feng
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引用次数: 0

Abstract

Nitrate (NO3 -) is a significant inorganic nitrogen source in soil, playing a crucial role in influencing crop productivity. As sessile organisms, plants have evolved complex mechanisms for nitrate uptake and response to varying soil levels. Recent advancements have enhanced our understanding of nitrate uptake and signaling pathways. This mini-review offers a comparative analysis of nitrate uptake mechanisms in Arabidopsis and rice. It also examines nitrate signal transduction, highlighting the roles of AtNRT1.1 and AtNLP7 as nitrate receptors and elucidating the OsNRT1.1B-OsSPX4-OsNLP3 cascade. Additionally, it investigates nuclear transcriptional networks that regulate nitrate-responsive genes, controlled by various transcription factors (TFs) crucial for plant development. By integrating these findings, we highlight mechanisms that may help to enhance crop nitrogen utilization.

拟南芥和水稻中的硝酸盐转运体和硝酸盐信号转导机制
硝酸盐(NO3-)是土壤中重要的无机氮源,在影响作物产量方面起着至关重要的作用。作为无柄生物,植物进化出了复杂的硝酸盐吸收机制和对不同土壤水平的反应机制。最近的研究进展加深了我们对硝酸盐吸收和信号传导途径的了解。这篇微型综述对拟南芥和水稻的硝酸盐吸收机制进行了比较分析。它还研究了硝酸盐信号转导,强调了 AtNRT1.1 和 AtNLP7 作为硝酸盐受体的作用,并阐明了 OsNRT1.1B-OsSPX4-OsNLP3 级联。此外,它还研究了由对植物发育至关重要的各种转录因子(TFs)调控硝酸盐响应基因的核转录网络。通过整合这些发现,我们强调了可能有助于提高作物氮利用率的机制。
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来源期刊
Physiologia plantarum
Physiologia plantarum 生物-植物科学
CiteScore
11.00
自引率
3.10%
发文量
224
审稿时长
3.9 months
期刊介绍: Physiologia Plantarum is an international journal committed to publishing the best full-length original research papers that advance our understanding of primary mechanisms of plant development, growth and productivity as well as plant interactions with the biotic and abiotic environment. All organisational levels of experimental plant biology – from molecular and cell biology, biochemistry and biophysics to ecophysiology and global change biology – fall within the scope of the journal. The content is distributed between 5 main subject areas supervised by Subject Editors specialised in the respective domain: (1) biochemistry and metabolism, (2) ecophysiology, stress and adaptation, (3) uptake, transport and assimilation, (4) development, growth and differentiation, (5) photobiology and photosynthesis.
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