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Physiological functions of mineral macronutrients

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JournalCURRENT OPINION IN PLANT BIOLOGY
DatePublished - Jun 2009
Issue number3
Volume12
Number of pages9
Pages (from-to)250-258
Original languageEnglish

Abstract

Plants require calcium, magnesium, nitrogen, phosphorous, potassium and sulfur in relatively large amounts (>0.1% of dry mass) and each of these so-called macronutrients is essential for a plant to complete its life cycle. Normally, these minerals are taken up by plant roots from the soil solution in ionic form with the metals Ca2+, Mg2+ and K+ present as free cations, P and S as their oxyanions phosphate (PO43-) and sulfate PO42-) and N as anionic nitrate (NO3-)or cation ammonium (NH4+). Recently, important progress has been made in identifying transport and regulatory mechanisms for macronutrients and the mechanisms of uptake and distribution. These and the main physiological roles of each nutrient will be discussed.

    Research areas

  • HIGH-AFFINITY POTASSIUM, ARABIDOPSIS-THALIANA, SULFATE TRANSPORTERS, SULFUR METABOLISM, GENE-EXPRESSION, PLANTS, PHOSPHATE, ACID, ACCUMULATION, NUTRITION

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