ArticleNature communications2025
MSL10 is a high-sensitivity mechanosensor in the tactile sense of the Venus flytrap.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Thermal petiole wounding triggers trap closure inPlant signaling & behavior · 2026Article
- The MscS channel frombioRxiv : the preprint server for biology · 2026Article
- A mechanosensitive ion channel is required for nematode predation in nematode-trapping fungi.mBio · 2026Article
- The power of ionic movements in plants.The New phytologist · 2026Review
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7 authors.
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Abstract
The tactile sense is essential for living organisms. However, the molecular mechanisms of mechanosensing in plants remain unclear. The Venus flytrap (Dionaea muscipula), a carnivorous plant, possesses mechanosensitive organs called sensory hairs. After sensing a touch stimulus, the hair generates an action potential (AP) and a long-range calcium signal that propagate to the leaf blade, triggering leaf movement to catch prey after two successive calcium signals. Here, we show that the MECHANOSENSITIVE CHANNEL OF SMALL CONDUCTANCE-LIKE homologue (DmMSL10/FLYC1) in the Venus flytrap acts as a high-sensitivity mechanosensor. Using simultaneous intracellular recordings of calcium and electrical signals, we identify a two-step mechanical reception system in the sensory hairs: mechanosensing, limited to the stimulated cell, followed by threshold-dependent AP firing and subsequent calcium signal propagation. In dmmsl10 knockout mutants, long-range calcium and electrical signal propagation are impaired, leading to defective prey detection in planta. Our findings demonstrate that DmMSL10 is crucial for mechanosensing, facilitating AP firing by generating a receptor potential (RP) amplitude.
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