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Review

Insights on Phytohormonal Crosstalk in Plant Response to Nitrogen Stress: A Focus on Plant Root Growth and Development

by
Nazir Ahmad
1,
Zhengjie Jiang
1,
Lijun Zhang
1,
Iqbal Hussain
2 and
Xiping Yang
1,3,*
1
State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China
2
Department of Horticulture, Institute of Vegetable Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
3
National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 530004, China
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2023, 24(4), 3631; https://doi.org/10.3390/ijms24043631
Submission received: 20 January 2023 / Revised: 8 February 2023 / Accepted: 9 February 2023 / Published: 11 February 2023
(This article belongs to the Special Issue Advances in Plant Root Development)
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Abstract

Nitrogen (N) is a vital mineral component that can restrict the growth and development of plants if supplied inappropriately. In order to benefit their growth and development, plants have complex physiological and structural responses to changes in their nitrogen supply. As higher plants have multiple organs with varying functions and nutritional requirements, they coordinate their responses at the whole-plant level based on local and long-distance signaling pathways. It has been suggested that phytohormones are signaling substances in such pathways. The nitrogen signaling pathway is closely associated with phytohormones such as auxin (AUX), abscisic acid (ABA), cytokinins (CKs), ethylene (ETH), brassinosteroid (BR), strigolactones (SLs), jasmonic acid (JA), and salicylic acid (SA). Recent research has shed light on how nitrogen and phytohormones interact to modulate physiology and morphology. This review provides a summary of the research on how phytohormone signaling affects root system architecture (RSA) in response to nitrogen availability. Overall, this review contributes to identifying recent developments in the interaction between phytohormones and N, as well as serving as a foundation for further study.
Keywords: nitrogen stress; root growth; plant response; auxin; ethylene nitrogen stress; root growth; plant response; auxin; ethylene

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MDPI and ACS Style

Ahmad, N.; Jiang, Z.; Zhang, L.; Hussain, I.; Yang, X. Insights on Phytohormonal Crosstalk in Plant Response to Nitrogen Stress: A Focus on Plant Root Growth and Development. Int. J. Mol. Sci. 2023, 24, 3631. https://doi.org/10.3390/ijms24043631

AMA Style

Ahmad N, Jiang Z, Zhang L, Hussain I, Yang X. Insights on Phytohormonal Crosstalk in Plant Response to Nitrogen Stress: A Focus on Plant Root Growth and Development. International Journal of Molecular Sciences. 2023; 24(4):3631. https://doi.org/10.3390/ijms24043631

Chicago/Turabian Style

Ahmad, Nazir, Zhengjie Jiang, Lijun Zhang, Iqbal Hussain, and Xiping Yang. 2023. "Insights on Phytohormonal Crosstalk in Plant Response to Nitrogen Stress: A Focus on Plant Root Growth and Development" International Journal of Molecular Sciences 24, no. 4: 3631. https://doi.org/10.3390/ijms24043631

APA Style

Ahmad, N., Jiang, Z., Zhang, L., Hussain, I., & Yang, X. (2023). Insights on Phytohormonal Crosstalk in Plant Response to Nitrogen Stress: A Focus on Plant Root Growth and Development. International Journal of Molecular Sciences, 24(4), 3631. https://doi.org/10.3390/ijms24043631

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