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

Author:

Zhang Xiaojia1,Zhang Qian1,Gao Na1,Liu Mingchao1,Zhang Chang1ORCID,Luo Jiajun1,Sun Yibo1ORCID,Feng Yulong1

Affiliation:

1. College of Bioscience and Biotechnology, Shenyang Agricultural University Shenyang Liaoning Province China

Abstract

AbstractNitrate (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.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Liaoning Province

Publisher

Wiley

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