Glandular Trichome Rupture in Tomato Plants is an Ultra-Fast & Sensitive Defense Mechanism Against Insects Article Swipe

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J Popowski , Lucas Warma , Alejandro Cifuentes , Petra Bleeker , Maziyar Jalaal ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2412.14507

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 trichomes in cultivated tomato (Solanum lycopersicum) and its 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. 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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Trichome Mechanism (biology) Biology Botany Physics Quantum mechanics

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2412.14507
PDF: https://arxiv.org/pdf/2412.14507
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4405627602

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DOI: https://doi.org/10.48550/arxiv.2412.14507

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Title: Glandular Trichome Rupture in Tomato Plants is an Ultra-Fast & Sensitive Defense Mechanism Against Insects

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Type: preprint

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Language: en

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Publication year: 2024

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Publication date: 2024-12-19

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Authors: J Popowski, Lucas Warma, Alejandro Cifuentes, Petra Bleeker, Maziyar Jalaal

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Landing page: https://arxiv.org/abs/2412.14507

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PDF URL: https://arxiv.org/pdf/2412.14507

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Open access: Yes

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OA URL: https://arxiv.org/pdf/2412.14507

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Concepts: Trichome, Mechanism (biology), Biology, Botany, Physics, Quantum mechanics

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