Venom of prey-specialized spiders is more toxic to their preferred prey: A result of prey-specific toxins

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Authors

PEKÁR Stanislav LÍZNAROVÁ Eva BOČÁNEK Ondřej ZDRÁHAL Zbyněk

Year of publication 2018
Type Article in Periodical
Magazine / Source JOURNAL OF ANIMAL ECOLOGY
MU Faculty or unit

Faculty of Science

Citation
Web http://dx.doi.org/10.1111/1365-2656.12900
Doi http://dx.doi.org/10.1111/1365-2656.12900
Keywords Araneae;venom;specificity
Description In specialized predators, a variety of adaptations have evolved to such a level of specificity that they allow very effective exploitation of focal prey. Venom is an essential adaptive trait of predatory venomous species, such as spiders, yet our knowledge of spider venom is incomplete. In agreement with the prey preference hypothesis, we expected that the venom of spider specialists should be more toxic to focal than to alternative prey, because it is composed of prey-specific toxins.
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