Role of transpiration and metabolism in translocation and accumulation of cadmium in tobacco plants (Nicotiana tabacum L.)
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- 作者：Haiwei Liua ; Haiyun Wanga ; Yibing Mab ; Haohao Wanga ; Yi Shia ; shiyi@caas.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Hyperaccumulator ; Transfer ; Symplastic pathway ; Apoplastic pathway ; Heavy metal
- 刊名：Chemosphere
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：144
- 期：Complete
- 页码：1960-1965
- 全文大小：779 K
文摘
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Effects of transpiration and metabolism on Cd accumulation in tobacco were evaluated.
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A two-step mechanism for Cd translocation in tobacco plants is firstly proposed.
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Root metabolism and symplastic pathway control the tobacco xylem loading of Cd.
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Leaf transpiration drives Cd transport from tobacco xylem to shoots.
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Translocation study shed lights on Cd accumulation mechanisms in tobacco plants.