DNA in Amphibian and Reptile Venom Permits Access to Genomes Without Specimen Sacrifice

Hang Fai Kwok, Tianbao Chen, Craig Ivanyi, Christopher Shaw

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Amphibian defensive skin secretions and reptile venoms are rich sources of bioactive peptides with potential pharmacological/pharmaceutical applications. As amphibian and reptile populations are in rapid global decline, our research
group has been developing analytical methods that permit generation of robust molecular data from non-invasive skin secretion samples and venom samples. While previously we have demonstrated that parallel proteome and venom gland
transcriptome analyses can be performed on such samples, here we report the presence of DNA that facilitates the more widely-used applications of gene sequencing, such as molecular phylogenetics, in a non-invasive manner that circumvents specimen sacrifice. From this “surrogate” tissue, we acquired partial 12S and 16S rRNA gene sequences that are presented for illustration purposes. Thus from a single sample of amphibian skin secretion and reptile venom, robust and complementary proteome, transcriptome and genome data can be generated for applications in diverse scientific disciplines.
Original languageEnglish
Pages (from-to)17-24
Number of pages8
JournalGenomics Insights
Volume1
Publication statusPublished - 2008

Keywords

  • lizard, venom, frog, skin secretion, genomic DNA, molecular phylogenetics, drug discovery

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