Mechanistic interpretation of the varying selectivity of Cesium-137 and potassium uptake by radish (Raphanus sativus L.) under field conditions near Chernobyl
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- 作者：V.V. Proroka ; prorok@univ.kiev.ua" class="auth_mail" title="E-mail the corresponding author ; O.I. Dacenkoa ; lesoto8g@gmail.com" class="auth_mail" title="E-mail the corresponding author ; L.A. Bulavina ; bulavin221@gmail.com" class="auth_mail" title="E-mail the corresponding author ; L.V. Poperenkoa ; plv@univ.kiev.ua" class="auth_mail" title="E-mail the corresponding author ; P.J. Whiteb ; c ; philip.white@hutton.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cesium ; HAK5 ; Ion channel ; Potassium ; Root ; Soil
- 刊名：Journal of Environmental Radioactivity
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：152
- 期：Complete
- 页码：85-91
- 全文大小：1136 K
文摘
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Radish (Raphanus sativus L.) was grown at three field sites near Chernobyl.
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Soil solution 137Cs and K concentrations fluctuated seasonally in an identical way.
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Plant Cs:K ratio rose abruptly when solution K fell below a threshold concentration.
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Reduced K:Cs selectivity was attributed to greater root K+/H+-symporter abundance.