期刊
PLANT COMMUNICATIONS
卷 3, 期 5, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.xplc.2022.100353
关键词
nitrate signaling; nitrogen use efficiency; nitrate-regulatory gene; nitrate regulation; crop
资金
- National Key Research and Development Program [2021YFF1000401, 2021YFF1000402]
- National Natural Science Foundation of China [31970270, 31902100]
- Project of Shandong province higher educational Science and Technology program [J18KA145]
Understanding the molecular mechanisms of NO3- regulation in crops is crucial for improving nitrogen use efficiency (NUE) in agriculture. This article reviews recent advances in crop NO3- signaling, focusing on short-term signaling, long-term signaling, and the impact of environmental factors. The regulation of crop NUE by crucial genes involved in NO3- signaling is also discussed.
Nitrate (NO3-) is not only an essential nutrient but also an important signaling molecule for plant growth. Low nitrogen use efficiency (NUE) of crops is causing increasingly serious environmental and ecological problems. Understanding the molecular mechanisms of NO3- regulation in crops is crucial for NUE improvement in agriculture. During the last several years, significant progress has been made in under-standing the regulation of NO3- signaling in crops, and some key NO3- signaling factors have been shown to play important roles in NO3- utilization. However, no detailed reviews have yet summarized these ad-vances. Here, we focus mainly on recent advances in crop NO3- signaling, including short-term signaling, long-term signaling, and the impact of environmental factors. We also review the regulation of crop NUE by crucial genes involved in NO3- signaling. This review provides useful information for further research on NO3- signaling in crops and a theoretical basis for breeding new crop varieties with high NUE, which has great significance for sustainable agriculture.
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