July 30, 2019

054 Venom Variation

Venom can be deadly, but not all venoms are created equal. They serve different purposes and have evolved for different reasons. In this episode we discuss a couple of new papers around the theme of venom, and finish off with a venomous new species for our Species of the Bi-week.

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Main Paper References:

Goetz, S. M., Piccolomini, S., Hoffman, M., Bogan, J., Holding, M. L., Mendonça, M. T., & Steen, D. A. (2019). Serum-based inhibition of pitviper venom by eastern indigo snakes (Drymarchon couperi). Biology Open, 5.

Healy, K., Carbone, C., & Jackson, A. L. (2019). Snake venom potency and yield are associated with prey-evolution, predator metabolism and habitat structure. Ecology Letters, 22(3), 527–537. https://doi.org/10.1111/ele.13216

Species of the Bi-Week:

Captain, A., Deepak, V., Pandit, R., Bhatt, B., & Athreya, R. (2019). A new species of pitviper (Serpentes: Viperidae: Trimeresurus Lacepède, 1804) from West Kameng District, Arunachal Pradesh, India. Russian Journal of Herpetology, 26, 13.

Other Mentioned Papers/Studies:

Barlow, A., Pook, C. E., Harrison, R. A., & Wüster, W. (2009). Coevolution of diet and prey-specific venom activity supports the role of selection in snake venom evolution. Proceedings of the Royal Society B: Biological Sciences, 276(1666), 2443-2449.

Malhotra, A., & Thorpe, R. S. (2004). A phylogeny of four mitochondrial gene regions suggests a revised taxonomy for Asian pitvipers (Trimeresurus and Ovophis). Molecular Phylogenetics and Evolution, 32(1), 83–100. https://doi.org/10.1016/j.ympev.2004.02.008

Music:

Intro/outro – Treehouse by Ed Nelson

Other Music – The Passion HiFi, www.thepassionhifi.com

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