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The transporter OPT3 mediates crosstalk between iron and copper in shoot-to-root signaling

Chia et al. explore the mechanisms mediating systemic shoot-to-root signaling of copper status. Ju-Chen Chia and Olena K. Vatamaniuk, Plant Biology Section, School of Integrative Plant Science, Cornell University Background: The micronutrients copper (Cu) and iron (Fe) are essential for plant growth…