Phosphorus Acquisition and Utilization in Plants.

IF 21.3 1区 生物学 Q1 PLANT SCIENCES Annual review of plant biology Pub Date : 2022-05-20 Epub Date: 2021-12-15 DOI:10.1146/annurev-arplant-102720-125738
Hans Lambers
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引用次数: 140

Abstract

Tremendous progress has been made on molecular aspects of plant phosphorus (P) nutrition, often without heeding information provided by soil scientists, ecophysiologists, and crop physiologists. This review suggests ways to integrate information from different disciplines. When soil P availability is very low, P-mobilizing strategies are more effective than mycorrhizal strategies. Soil parameters largely determine how much P roots can acquire from P-impoverished soil, and kinetic properties of P transporters are less important. Changes in the expression of P transporters avoid P toxicity. Plants vary widely in photosynthetic P-use efficiency, photosynthesis per unit leaf P. The challenge is to discover what the trade-offs are of different patterns of investment in P fractions. Less investment may save P, but are costs incurred? Are these costs acceptable for crops? These questions can be resolved only by the concerted action of scientists working at both molecular and physiological levels, rather than pursuing these problems independently.

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植物磷的获取与利用。
在植物磷营养的分子方面取得了巨大进展,但往往没有听取土壤科学家、生态生理学家和作物生理学家提供的信息。这篇综述提出了整合不同学科信息的方法。土壤磷有效度较低时,磷动员策略比菌根策略更有效。土壤参数在很大程度上决定了磷根能从缺磷土壤中获得多少磷,而磷转运体的动力学性质则不太重要。磷转运蛋白表达的改变避免了磷毒性。植物在光合作用P的利用效率,单位叶片P的光合作用方面差异很大。挑战在于发现不同模式的P部分投资的权衡是什么。较少的投资可以节省P,但是会产生成本吗?这些成本对于农作物来说是可以接受的吗?这些问题只能通过在分子和生理水平上工作的科学家的协调行动来解决,而不是独立地追求这些问题。
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来源期刊
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
期刊最新文献
Adaptation and the Geographic Spread of Crop Species. Environmental Control of Hypocotyl Elongation. Plant Cryopreservation: Principles, Applications, and Challenges of Banking Plant Diversity at Ultralow Temperatures. Structure and Function of Auxin Transporters. Structural and Evolutionary Aspects of Plant Endocytosis.
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