Overexpression of the maize ZmAMT1;1a gene enhances root ammonium uptake efficiency under low ammonium nutrition

  title={Overexpression of the maize ZmAMT1;1a gene enhances root ammonium uptake efficiency under low ammonium nutrition},
  author={Yang Zhao and Zhi Liu and Fengying Duan and Xia An and Xiangguo Liu and Dongyun Hao and Riliang Gu and Zhangkui Wang and Fanjun Chen and Lixing Yuan},
  journal={Plant Biotechnology Reports},
High-affinity ammonium uptake in maize roots is mainly mediated by AMT1-type ammonium transporters ZmAMT1;1a and ZmAMT1;3, but whether the increased expression of ZmAMTs genes is able to enhance ammonium uptake capacity and subsequently improves overall nitrogen use efficiency remains to be elucidated. In this work, ZmAMT1;1a-overexpression transgenic maize plants were generated with the elevated levels of transcripts and proteins, and phenotypically analyzed together with wild-type plants… CONTINUE READING

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