Venom extraction method influences venom composition and potency in the giant house spider Eratigena atrica (C. L. Koch, 1843)

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Abstract

Extraction is the first step when investigating venom composition and function. In small invertebrates, widely used extraction methods include electrostimulation and venom gland extraction, however, the influence of these methods on composition and toxicology is poorly understood. Using the Giant House Spider Eratigena atrica as a model, we show that electrostimulation and venom gland removal extraction methods produce different protein profiles as assessed by Coomassie-stained SDS-PAGE and significantly different potencies in the cricket Acheta domesticus.

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Lyons, K., Dugon, M. M., Boyd, A., & Healy, K. (2023). Venom extraction method influences venom composition and potency in the giant house spider Eratigena atrica (C. L. Koch, 1843). Toxicon, 234. https://doi.org/10.1016/j.toxicon.2023.107303

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