Molecular regulation and physiological response of phosphorus absorption and utilization in woody plants

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ID: 320057
2026
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Abstract
Phosphorus (P) is one of the essential macronutrients for plants, involved in physiological processes such as growth, development, and reproduction. However, due to its poor mobility and tendency to bind with metal ions and become immobilized, woody plants have long been constrained by low soil inorganic phosphorus (Pi) availability. Woody plants enhance phosphorus use efficiency (PUE) via complex adaptations, and elucidating their adaptation mechanisms to low-Pi stress is critical for formulating forest cultivation strategies. This review focuses on: morphological remodeling, physiological and biochemical regulation, molecular-level control, and the root-mycorrhizal fungal symbiotic system. Current studies have clarified the main pathways of Pi uptake, translocation, and storage in woody plants, as well as the basic morphological, physiological, and ecological response patterns of trees under low-Pi stress. Nevertheless, how Pi affects wood formation, the construction of global Pi signaling pathways, how woody respond to combined stress of Pi and other nutrients, how woody plants select symbiotic fungi, and how Pi is distributed in the root-mycorrhizal remain to be further explored. Future research should shift toward regulating Pi homeostasis under multi-factor coupling, link Pi to woody physiological responses, metabolic pathways, molecular data, and ecological processes, and promote comprehensive understanding of adaptation to low-Pi stress.
Reference Key
openalex_W7167703651 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cantong Huang, J Li, Kai Cui
Journal Journal of experimental botany
Year 2026
DOI
10.1093/jxb/erag338
URL
https://doi.org/10.1093/jxb/erag338
Keywords Keywords not found

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