Biology

Copper-based sensor explains key defense signaling in stressed plants

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Researchers from Nagoya University (WPI-ITbM), RIKEN Center for Sustainable Resource Science, and The University of Osaka have identified a previously unknown mechanism by which plants detect hydrogen peroxide (Hâ‚‚Oâ‚‚). The discovery centers on a copper-based sensor that enables plants to recognize Hâ‚‚Oâ‚‚, a critical signaling molecule involved in stress responses and immune defense. This finding fills a significant gap in our understanding of how plants perceive and respond to oxidative stress signals at the molecular level.


Understanding how plants detect stress signals like Hâ‚‚Oâ‚‚ could open new avenues for developing crops with enhanced disease resistance or improved tolerance to environmental stressors. This knowledge may ultimately contribute to more resilient agricultural systems in the face of climate change and pathogen pressure.


Researchers at the Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, together with collaborators from RIKEN Center for Sustainable Resource Science (RIKEN CSRS) and The University of Osaka, have uncovered a previously unknown mechanism by which plants detect hydrogen peroxide (Hâ‚‚Oâ‚‚), a key signaling molecule involved in stress responses and immunity.

Source: Copper-based sensor explains key defense signaling in stressed plants