Phosphatidic acid (PA) is a simple phospholipid of crucial importance in cell biology. Now, a new ratiometric, PA-specific, optogenetic biosensor has been developed to track PA concentration and dynamics at the plant plasma membrane. Using this tool, scientists have revealed a remarkable stress-specific temporal complexity of PA accumulation.
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Mamode Cassim, A., Mongrand, S. Lipids light up in plant membranes. Nat. Plants 5, 913–914 (2019). https://doi.org/10.1038/s41477-019-0494-9
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DOI: https://doi.org/10.1038/s41477-019-0494-9