Sodium as nutrient and toxicant
Plant and Soil, ISSN: 0032-079X, Vol: 369, Issue: 1-2, Page: 1-23
2013
- 295Citations
- 346Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Review Description
Background: Sodium (Na) is one of the most intensely researched ions in plant biology and has attained a reputation for its toxic qualities. Following the principle of Theophrastus Bombastus von Hohenheim (Paracelsus), Na is, however, beneficial to many species at lower levels of supply, and in some, such as certain C4 species, indeed essential. Scope: Here, we review the ion's divergent roles as a nutrient and toxicant, focusing on growth responses, membrane transport, stomatal function, and paradigms of ion accumulation and sequestration. We examine connections between the nutritional and toxic roles throughout, and place special emphasis on the relationship of Na to plant potassium (K) relations and homeostasis. Conclusions: Our review investigates intriguing connections and disconnections between Na nutrition and toxicity, and concludes that several leading paradigms in the field, such as on the roles of Na influx and tissue accumulation or the cytosolic K/Na ratio in the development of toxicity, are currently insufficiently substantiated and require a new, critical approach. © 2013 Springer Science+Business Media Dordrecht.
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Springer Science and Business Media LLC
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