Iron Transport and Signaling in Plants
Abstract
Cellular and whole organism iron homeostasis must be balanced to supply enough iron for metabolism and to avoid excessive, toxic levels. To perform iron uptake from the environment, iron distribution to various organs and tissues, and iron intracellular compartmentalization, various membranes must be crossed by this metal. The uptake and transport of iron under physiological conditions require particular processes such as chelation or reduction because ferric iron has a very low solubility. The molecular actors involved in iron acquisition from the soil have recently been characterized. A few candidates belonging to various gene families are hypothesized to play major roles in iron distribution throughout the plant. All these transport activities are tightly regulated at transcriptional and posttranslational levels, according to the iron status of the plant. These coordinated regulations result from an integration of local and long-distance transduction pathways.
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Grasses excrete low molecular weight compounds into the rhizosphere to chelate micronutrients such as iron and thus make them biologically available.
“Grasses excrete low M r compounds into the rhizosphere to chelate micronutrients such as iron and thus make them biologically available (Curie and Briat, 2003).”
From Plant Secondary Metabolites as Defenses, Regulators, and Primary Metabolites: The Blurred Functional Trichotomy (2020) · cites this paper as Curie and Briat, 2003
Cites
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- Authors
- Curie, C., & Briat, J.-F.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Venue
- Annual Review of Plant Biology
- Publisher
- Annual Reviews
- Published
- 2003-06
- Volume
- 54
- Issue
- 1
- Pages
- 183-206
- ISSN
- 1543-5008 (ISSN-L)
- 1545-2123
- OpenAlex
- W2164849333
- Cited by
- 570
- References
- 5
- Citations by year
- 2026: 8 · 2025: 12 · 2024: 19 · 2023: 16 · 2022: 28 · 2021: 30 · 2020: 35 · 2019: 22 · 2018: 21 · 2017: 20 · 2016: 28 · 2015: 35 · 2014: 24 · 2013: 27 · 2012: 31
- FWCI
- 2.24
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Annual Review of Plant Biology (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- Funders
- Centre National de la Recherche Scientifique
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Micronutrient Interactions and Effects
- Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Keywords
- iron homeostasis, iron transport, iron signaling, iron absorption, Fe(III) reduction, iron chelation, iron distribution, intracellular compartmentalization, iron acquisition, transcriptional regulation, post-translational regulation, transduction pathways
- MeSH terms
- Biological Transport, Iron, Plants, Organelles, Signal Transduction, Plant Structures, Plant Physiological Phenomena
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