Article
Inhibition of nitrate transporter 1.1-controlled nitrate uptake reduces cadmium uptake in Arabidopsis.
Plant physiology - 1 Oct 2014
Mao Qian Qian, Guan Mei Yan, Lu Kai Xing, Du Shao Ting, Fan Shi Kai, Ye Yi-Quan, Lin Xian Yong, Jin Chong Wei
Abstract excerpt
Identification of mechanisms that decrease cadmium accumulation in plants is a prerequisite for minimizing dietary uptake of cadmium from contaminated crops. Here, we show that cadmium inhibits nitrate transporter 1.1 (NRT1.1)-mediated nitrate (NO3 (-)) uptake in Arabidopsis (Arabidopsis thaliana) and impairs NO3 (-) homeostasis in roots. In NO3 (-)-containing medium, loss of NRT1.1 function in nrt1.1 mutants...
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