Transition metals: A double edge sward in ROS generation and signaling

Ana Rodrigo-Moreno, Charlotte Poschenrieder, Sergey Shabala

Research output: Contribution to journalReview articleResearchpeer-review

45 Citations (Scopus)


Transition metals such as Iron (Fe) and Copper (Cu) are essential for plant cell development. At the same time, due their capability to generate hydroxyl radicals they can be potentially toxic to plant metabolism. Recent works on hydroxyl-radical activation of ion transporters suggest that hydroxyl radicals generated by transition metals could play an important role in plant growth and adaptation to imbalanced environments. In this mini-review, the relation between transition metals uptake and utilization and oxidative stress-activated ion transport in plant cells is analyzed, and a new model depicting both apoplastic and cytosolic mode of ROS signaling to plasma membrane transporters is suggested. © 2013 Landes Bioscience.
Original languageEnglish
JournalPlant Signaling and Behavior
Issue number3
Publication statusPublished - 1 Mar 2013


  • Adaptation
  • Calcium
  • Copper
  • Development
  • Hydroxyl radicals
  • Iron
  • Membrane transport
  • Oxidative stress
  • Potassium
  • Toxicity


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