Plant nitrogen availability and crosstalk with phytohormones signallings and their biotechnology breeding application in crops

Summary Nitrogen (N), one of the most important nutrients, limits plant growth and crop yields in sustainable agriculture system, in which phytohormones are known to play essential roles in N availability. Hence, it is not surprising that massive studies about the crosstalk between N and phytohormon...

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Bibliographic Details
Published in:Plant biotechnology journal 2023-07, Vol.21 (7), p.1320-1342
Main Authors: Xing, Jiapeng, Cao, Xiaocong, Zhang, Mingcai, Wei, Xun, Zhang, Juan, Wan, Xiangyuan
Format: Article
Language:English
Subjects:
Abscisic acid
Agricultural production
Agriculture
Availability
Bibliometrics
Biosynthesis
Biotechnology
biotechnology breeding
Computer architecture
Corn
Crop yield
Crops
Crops, Agricultural
Environmental risk
Farming systems
Genes
Nitrates
Nitrogen
nitrogen availability
nitrogen uptake, transport, and assimilation
nitrogen use efficiency (NUE)
Nutrients
Phytohormones
Plant Breeding
Plant growth
Plant Growth Regulators
Plant hormones
Review
Rice
root system architecture (RSA)
Sustainable agriculture
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Summary:Summary Nitrogen (N), one of the most important nutrients, limits plant growth and crop yields in sustainable agriculture system, in which phytohormones are known to play essential roles in N availability. Hence, it is not surprising that massive studies about the crosstalk between N and phytohormones have been constantly emerging. In this review, with the intellectual landscape of N and phytohormones crosstalk provided by the bibliometric analysis, we trace the research story of best‐known crosstalk between N and various phytohormones over the last 20 years. Then, we discuss how N regulates various phytohormones biosynthesis and transport in plants. In reverse, we also summarize how phytohormones signallings modulate root system architecture (RSA) in response to N availability. Besides, we expand to outline how phytohormones signallings regulate uptake, transport, and assimilation of N in plants. Further, we conclude advanced biotechnology strategies, explain their application, and provide potential phytohormones‐regulated N use efficiency (NUE) targets in crops. Collectively, this review provides not only a better understanding on the recent progress of crosstalk between N and phytohormones, but also targeted strategies for improvement of NUE to increase crop yields in future biotechnology breeding of crops.
ISSN:1467-7644
1467-7652
DOI:10.1111/pbi.13971