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Non-invasive optogenetic stimulation of distinct stress responses in plants

Two ion channels (structures in cell membranes that allow ions to pass through) have been genetically engineered to reveal the stress responses of plants non-invasively. When triggered by light, one channel provoked responses to osmotic stress (caused by water shortage) and the other induced immune responses to biotic stress (such as wounding or a pathogen).

This is a summary of: Ding, M. et al. Probing plant signal processing optogenetically by two channelrhodopsins. Nature 633, 872–877 (2024).

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doi: https://doi.org/10.1038/d41586-024-03085-y

‘Expert opinion’ and the figure are published under a CC BY 4.0 licence.

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