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Plant resilience to phosphate limitation: current knowledge and future challenges
Huikyong Cho1, Nadia Bouain1, Luqing Zheng2
1Univ Montpellier, CNRS, INRAE, Montpellier SupAgro, BPMP, Montpellier, France.
Critical Reviews in Biotechnology
|October 8, 2020
Summary
Plants need phosphorus (P) for growth, but deficiency causes crop losses. Understanding plant P sensing and transport mechanisms can help develop resilient crops and address future P scarcity.
Area of Science:
- Plant Biology
- Agricultural Science
- Nutrient Management
Background:
- Phosphorus (P) is vital for plant growth, and P deficiency leads to significant agricultural losses.
- Phosphate rock, the source of P fertilizers, is a finite resource, raising concerns about a future P crisis due to increasing global food demand.
Purpose of the Study:
- This review synthesizes current research on the molecular mechanisms plants use to respond to phosphorus deficiency.
- It aims to identify opportunities for developing crops with enhanced resilience to low phosphate availability.
Main Methods:
- The review focuses on recent advances in understanding plant phosphorus (P) sensing and signaling pathways.
- It also describes mechanisms regulating phosphate (Pi) transport and accumulation in plants.
Main Results:
- Advances in understanding P sensing and signaling reveal insights into root system architecture regulation under P deficiency.
- Mechanisms controlling Pi transport and accumulation are elucidated, offering targets for crop improvement.
Conclusions:
- Integrating knowledge of molecular mechanisms can guide strategies for improving plant Pi nutrition.
- This research contributes to addressing the challenge of P scarcity in global agriculture.
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