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Analysis of intraspecific variation in venoms of anthophis antarcticus death adders from South Australia
Journal article   Open access   Peer reviewed

Analysis of intraspecific variation in venoms of anthophis antarcticus death adders from South Australia

Volker Herzig, Maxie Kohler, Kai F Grund, Shane Reeve, A Ian Smith and Wayne C Hodgson
Journal of Venom Research, Vol.4, pp.13-20
2013
PMCID: PMC3797638
PMID: 24163732
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Abstract

Medical Biochemistry and Metabolomics Pharmacology and Pharmaceutical Sciences death adder Acanthophis antarcticus venom geographical and intraspecific variation chick biventer cervicis nerve-muscle preparation
Intraspecific variation in venom composition and activity has been reported from a wide range of snakes. Geographical origin can be one cause for this variation and has recently been documented from Acanthophis antarcticus death adders sampled across four different Australian states. The present study examined whether a narrower sampling range of A. antarcticus from four collection sites within one Australian state (i.e., South Australia) would also exhibit variation in venom composition and/or activity. The present LC-MS results reveal marked differences in the venom composition from different collection sites. The most striking difference was the reduced venom complexity found in the only venom originating from a mallee scrub habitat in comparison to the venoms from coastal heath scrub habitats. Interestingly, the pharmacological activity of all venoms was found to be the same, independent of the collection site.

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