Primary nutrient sensors in plants

Dorina Podar; Frans J M Maathuis

doi:10.1016/j.isci.2022.104029

Primary nutrient sensors in plants

Dorina Podar, Frans J M Maathuis

Biology

Research output: Contribution to journal › Review article › peer-review

Abstract

Nutrients are scarce and valuable resources, so plants developed sophisticated mechanisms to optimize nutrient use efficiency. A crucial part of this is monitoring external and internal nutrient levels to adjust processes such as uptake, redistribution, and cellular compartmentation. Measurement of nutrient levels is carried out by primary sensors that typically involve either transceptors or transcription factors. Primary sensors are only now starting to be identified in plants for some nutrients. In particular, for nitrate, there is detailed insight concerning how the external nitrate status is sensed by members of the nitrate transporter 1 (NRT1) family. Potential sensors for other macronutrients such as potassium and sodium have also been identified recently, whereas for micronutrients such as zinc and iron, transcription factor type sensors have been reported. This review provides an overview that interprets and evaluates our current understanding of how plants sense macro and micronutrients in the rhizosphere and root symplast.

Original language	English
Article number	104029
Number of pages	26
Journal	iScience
Volume	25
Issue number	4
DOIs	https://doi.org/10.1016/j.isci.2022.104029
Publication status	Published - 15 Apr 2022

Bibliographical note

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10.1016/j.isci.2022.104029Licence: CC BY

Primary nutrient sensors in plants
© 2022 The Authors
Final published version, 3.73 MBLicence: CC BY

Cite this

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title = "Primary nutrient sensors in plants",

abstract = "Nutrients are scarce and valuable resources, so plants developed sophisticated mechanisms to optimize nutrient use efficiency. A crucial part of this is monitoring external and internal nutrient levels to adjust processes such as uptake, redistribution, and cellular compartmentation. Measurement of nutrient levels is carried out by primary sensors that typically involve either transceptors or transcription factors. Primary sensors are only now starting to be identified in plants for some nutrients. In particular, for nitrate, there is detailed insight concerning how the external nitrate status is sensed by members of the nitrate transporter 1 (NRT1) family. Potential sensors for other macronutrients such as potassium and sodium have also been identified recently, whereas for micronutrients such as zinc and iron, transcription factor type sensors have been reported. This review provides an overview that interprets and evaluates our current understanding of how plants sense macro and micronutrients in the rhizosphere and root symplast.",

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