Literature DB >> 16959367

Adaptive evolution of tetrodotoxin resistance in animals.

Tuck Wah Soong1, Byrappa Venkatesh.   

Abstract

Tetrodotoxin (TTX), first isolated from pufferfish (tetraodontids), is a highly potent neurotoxin that selectively binds to voltage-gated sodium channels (Na(v)) in muscle and nerve tissues causing paralysis and death. Saxitoxin (STX) is a TTX-related neurotoxin produced by dinoflagellates. Recent investigations have implicated diverse substitutions in the P-loop regions of skeletal muscle and neuronal Na(v) channels in the convergent evolution of neurotoxin resistance in pufferfish, garter snakes and softshell clams, which has enabled them to feed on TTX- and STX-bearing organisms.

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Year:  2006        PMID： 16959367     DOI： 10.1016/j.tig.2006.08.010

Source DB:  PubMed          Journal:  Trends Genet        ISSN： 0168-9525            Impact factor:   11.639


  24 in total

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8.  The voltage-gated sodium channel inhibitor, 4,9-anhydrotetrodotoxin, blocks human Nav1.1 in addition to Nav1.6.

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Journal:  Neurosci Lett       Date:  2020-02-27       Impact factor: 3.046

9.  Toxin-resistant sodium channels: parallel adaptive evolution across a complete gene family.

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