ArticleJournal of experimental botany2025
Glandular trichome rupture in tomato plants is an ultra-fast and sensitive defense mechanism against insects.
Article in Journal of experimental botany, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Trichomes in Plant Defence, Development and Metabolic Integration Under Environmental Stress.Plant, cell & environment · 2026Review
- Activation of Multidimensional Defenses inPlants (Basel, Switzerland) · 2026Article
- Comparative field efficacy of synthetic insecticides and plant extracts against Tuta absoluta (Lepidoptera: Gelechiidae) in Lubumbashi, DR Congo.Scientific reports · 2026Article
- Host plants determine oviposition preference and larval fitness of tomato leafminer,Frontiers in insect science · 2026Article
- Effect of developmental dynamics on WRKY expression in barley with varying phenologies and trichome micromorphologies.BMC plant biology · 2025Article
- Tomato.Journal of experimental botany · 2025Review
- Sticky plants and plant-based glues: potential for pest control.Frontiers in plant science · 2025Review
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Authors and funding
5 authors.
Funding
Abstract
Trichomes, specialized hair-like structures on the surfaces of many plants, play a crucial role in defense against herbivorous insects. We investigated the biomechanics of type VI glandular trichome rupture in cultivated tomato (Solanum lycopersicum) and a wild relative (Solanum habrochaites). Using micropipette force sensors and high-speed imaging, we uncovered the rupture mechanics underlying gland bursting, highlighting the small forces and short time scales involved in this process. Additionally, we observed larvae of the Western flower thrips (Frankliniella occidentalis), a major pest in tomato cultivation, inadvertently triggering trichome rupture and accumulating glandular secretions on their bodies. We developed a method to directly measure these insect-triggered rupture forces by analyzing the trichome stalk deflections during these interactions, which yielded forces of the same order of magnitude as our micropipette measurements. These findings demonstrate how rapid gland bursting and the fluid dynamics of glandular secretions act as an efficient and swift plant defense mechanism against insect herbivory.
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