Venomic analysis of the poorly studied desert coral snake, Micrurus tschudii tschudii, supports the 3FTx/PLA dichotomy across Micrurus venoms
Toxins, ISSN: 2072-6651, Vol: 8, Issue: 6, Page: 178
2016
- 43Citations
- 70Captures
- 3Mentions
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Metrics Details
- Citations43
- Citation Indexes43
- 43
- CrossRef40
- Captures70
- Readers70
- 70
- Mentions3
- References3
- 3
Article Description
The venom proteome of the poorly studied desert coral snake Micrurus tschudii tschudii was unveiled using a venomic approach, which identified ≥38 proteins belonging to only four snake venom protein families. The three-finger toxins (3FTxs) constitute, both in number of isoforms (~30) and total abundance (93.6% of the venom proteome), the major protein family of the desert coral snake venom. Phospholipases A (PLAs; seven isoforms, 4.1% of the venom proteome), 1-3 Kunitz-type proteins (1.6%), and 1-2 L-amino acid oxidases (LAO, 0.7%) complete the toxin arsenal of M. t. tschudii. Our results add to the growing evidence that the occurrence of two divergent venom phenotypes, i.e., 3FTx- and PLA-predominant venom proteomes, may constitute a general trend across the cladogenesis of Micrurus. The occurrence of a similar pattern of venom phenotypic variability among true sea snake (Hydrophiinae) venoms suggests that the 3FTx/PLA dichotomy may be widely distributed among Elapidae venoms.
Bibliographic Details
MDPI AG
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