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Nitrogen is one of the most important nutrient for plant growth and development; it is strongly associated with a variety of abiotic stress responses. As sessile organisms, plants have evolved to develop efficient strategies to manage N to support growth when exposed to a diverse range of stressors. This review summarizes the recent progress in the field of plant nitrate (NO3-) and ammonium (NH4+) uptake, which are the two major forms of N that are absorbed by plants. We explore the intricate relationship between NO3-/NH4+ and abiotic stress responses in plants, focusing on stresses from nutrient deficiencies, unfavorable pH, ions, and drought. Although many molecular details remain unclear, research has revealed a number of core signaling regulators that are associated with N-mediated abiotic stress responses. An in-depth understanding and exploration of the molecular processes that underpin the interactions between N and abiotic stresses is useful in the design of effective strategies to improve crop growth, development, and productivity.
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Jiayuan Ye
Wenhao Tian
Chong Wei Jin
Stress Biology
Zhejiang University
State Key Laboratory of Chemical Engineering
China National Rice Research Institute
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Ye et al. (Fri,) studied this question.
www.synapsesocial.com/papers/69d809f9a2a48916bbbeea84 — DOI: https://doi.org/10.1007/s44154-021-00030-1