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May 26, 2026Environment International0 citationsOpen Access

Vaccinating radish with CeO2 nanoparticles: a nano-priming strategy to activate systemic defense against atmospheric cadmium

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LWL W WangHQHao QiuCGCornelis A.M. Van Gestel

Key Points

  • This research aims to evaluate the effectiveness of CeO2 nanoparticles in activating systemic defense mechanisms in radish against cadmium exposure.
  • Radish plants were treated with CeO2 nanoparticles to assess phytotoxicity.
  • Cadmium uptake was measured and compared in treated vs. untreated plants.
  • Early activation of reactive oxygen species and signaling pathways was analyzed post-treatment.
  • CeO2 nanoparticles reduced cadmium uptake by 26.2–60.5% in treated plants.
  • Phytotoxic effects of atmospheric cadmium were significantly alleviated post-priming.
  • Activation of signaling pathways correlated with increased reactive oxygen species levels.

Abstract

• CeO 2 -NPs pre-priming alleviates atmospheric deposition Cd-induced phytotoxicity. • CeO 2 nanoparticles pre-priming reduces Cd uptake by 26.2–60.5% in plants. • Pre-priming effects were linked with early activation of ROS levels in whole plants • CeO 2 -NPs activated signaling pathways facilitating top-down regulatory mechanisms. • Defense via energy metabolism, detoxicant synthesis, ion-transport modulation.

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a153b00b5d9c58d83e8d3dbhttps://doi.org/10.1016/j.envint.2026.110328
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