Abstract
Nitrate (NO3−) not only serves as an essential nutrient to ensure plant growth and development and is involved in protein and nucleic acid synthesis, NO3− stored in vacuoles can also reduce osmotic potential to help plants absorb water under changeable stress conditions. Moreover, effective remobilization of stored NO3− is important to maintain plant development in nature. In this paper, we review the literature on the role of NO3− stored vacuoles in osmotic regulation and NO3− remobilization under stress conditions, particularly for halophytes under salinity stress. Knowledge of how halophytes deal with adverse effects by using NO3− as an osmolyte will be helpful for making better decisions to improve abiotic stress resistance in plant production.
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The work is supported from National Natural Science Research Foundation of China (32171499, 31570392).
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G.F. and J.S. conceived the idea and led the writing of the manuscript. All authors contributed critically to the drafts and gave final approval for publication.
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Communicated by Zsófia Bánfalvi.
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He, R., Liu, Y., Song, C. et al. Osmotic regulation beyond nitrate nutrients in plant resistance to stress: a review. Plant Growth Regul 103, 1–8 (2024). https://doi.org/10.1007/s10725-023-01093-y
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DOI: https://doi.org/10.1007/s10725-023-01093-y