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Long History of Snake Toxins: The 60th Anniversary of the α-Bungarotoxin Discovery

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Toxicology".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 1472

Special Issue Editor

Special Issue Information

Dear Colleagues,

In 1963, Chang and Lee published their paper that described the isolation of several neurotoxins from the venom of the multi-banded krait Bungarus multicinctus. This paper is one of the most cited papers in the field of toxinology. Among the isolated toxins was α-bungarotoxin. This toxin laid the foundation for the discovery of an entire family of proteins, which is now called the Ly6/uPAR family. α Bungarotoxin was used for the characterization of the nicotinic acetylcholine receptor, which is one of the most well studied neuroreceptors in the field. This toxin is still widely used as a marker of some types of nicotinic acetylcholine receptors. This year not only commemorates the 60th anniversary of the α-bungartoxin discovery, but it is also the 50th anniversary of the research on animal toxins at the Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences. The first paper that described the amino acid sequence of neurotoxins from cobra venom determined at than Shemyakin Institute of Chemistry of Natural Products USSR Academy of Sciences was published in 1973. A variety of works devoted to various aspects of the study of toxins have been published by the Institute. Research on animal toxins continues to be successfully carried out at the Institute to this day. This Special Issue will focus on different facets, including historical facets, in the study of animal toxins. Original research papers and comprehensive reviews that report discoveries, structure elucidation and biological activity studies of animal toxins are welcome. Historical essays in toxinology will also be considered.

Prof. Dr. Yuri N. Utkin
Guest Editor

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Keywords

  • animal venoms
  • toxins
  • discovery
  • structure
  • biological activity

Published Papers (1 paper)

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Review

22 pages, 1771 KiB  
Review
Fifty Years of Animal Toxin Research at the Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry RAS
by Victor Tsetlin, Irina Shelukhina, Sergey Kozlov and Igor Kasheverov
Int. J. Mol. Sci. 2023, 24(18), 13884; https://doi.org/10.3390/ijms241813884 - 9 Sep 2023
Viewed by 1038
Abstract
This review covers briefly the work carried out at our institute (IBCh), in many cases in collaboration with other Russian and foreign laboratories, for the last 50 years. It discusses the discoveries and studies of various animal toxins, including protein and peptide neurotoxins [...] Read more.
This review covers briefly the work carried out at our institute (IBCh), in many cases in collaboration with other Russian and foreign laboratories, for the last 50 years. It discusses the discoveries and studies of various animal toxins, including protein and peptide neurotoxins acting on the nicotinic acetylcholine receptors (nAChRs) and on other ion channels. Among the achievements are the determination of the primary structures of the α-bungarotoxin-like three-finger toxins (TFTs), covalently bound dimeric TFTs, glycosylated cytotoxin, inhibitory cystine knot toxins (ICK), modular ICKs, and such giant molecules as latrotoxins and peptide neurotoxins from the snake, as well as from other animal venoms. For a number of toxins, spatial structures were determined, mostly by 1H-NMR spectroscopy. Using this method in combination with molecular modeling, the molecular mechanisms of the interactions of several toxins with lipid membranes were established. In more detail are presented the results of recent years, among which are the discovery of α-bungarotoxin analogs distinguishing the two binding sites in the muscle-type nAChR, long-chain α-neurotoxins interacting with α9α10 nAChRs and with GABA-A receptors, and the strong antiviral effects of dimeric phospholipases A2. A summary of the toxins obtained from arthropod venoms includes only highly cited works describing the molecules’ success story, which is associated with IBCh. In marine animals, versatile toxins in terms of structure and molecular targets were discovered, and careful work on α-conotoxins differing in specificity for individual nAChR subtypes gave information about their binding sites. Full article
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