Acquisition, Transport, and Cellular Homeostasis of Soil-Immobile Mineral Nutrients

Dear Colleagues,

As sessile organisms, plants are exposed to an amalgam of edaphic and biotic factors that dictate the mobility of mineral nutrients in soil, the availability of which is often several orders of magnitude below the requirement for optimal growth. Inadequate supply of minerals such as phosphorus, iron, copper, and zinc may lead to decreased fitness, reduced crop yield, and the exclusion of less well-adapted species from certain natural habitats. To circumvent unbalanced or insufficient supply of these nutrients, plants have evolved a plethora of mechanisms that govern their uptake and distribution in response to changes in demand and availability. Recalibration of cellular ion concentrations involves the perception and inter-organ communication of the nutrient status, re-programming of metabolic and developmental pathways, alterations in chromatin organization and, ultimately, induction of processes that tune cellular ion homeostasis. This Special Issue of Plants aims at providing a comprehensive update on the processes that adapt plants to conditions which limit the availability of essential mineral nutrients and the mechanisms underlying their regulation.

Prof. Dr. Wolfgang Schmidt
Guest Editor

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• plant mineral nutrition
• phosphate
• iron
• zinc
• copper
• nutrient signaling
• ion homeostasis
• nutrient uptake