期刊
CURRENT OPINION IN PLANT BIOLOGY
卷 12, 期 3, 页码 250-258出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2009.04.003
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资金
- BBSRC [BB/E000010/1, BB/E527155/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/E527155/1, BB/E000010/1] Funding Source: researchfish
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.
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