How a scorpion gets its sting

Defensins, as their name implies, are small proteins found in plants and animals that help ward off viral, bacterial or fungal pests. One fascinating question of invertebrate evolution is how these proteins evolved into venoms ...

A deadly scorpion provides a safe pesticide

Scorpions deliver a powerful, paralyzing venom ― a complex cocktail of poisonous peptides that immobilize animal prey on the spot. Some of the toxins in this cocktail damage only insects, which is why a Tel Aviv University ...

Scorpion biodiversity

Scorpions possess resistance to high temperatures and the ability to conserve water for long periods of time, and as a result thrive in hot and arid parts of the world. But is this global distribution also seen at a more ...

Meek male and fighting female scorpions

Threatened female bark scorpions sting quicker than males, likely to compensate for reduced ability to flee the threat, according to results published May 28, 2014, in the open access journal PLOS ONE by Bradley Carlson from ...

Scientist create a database for scorpion venom

Employees at the Institute of Bioorganic Chemistry of the Russian Academy of Sciences (IBCh RAS) have created Kalium, a database for peptide toxins from scorpion venom. It enables scientists to systematize information on ...

Scorpion venom to shuttle drugs into the brain

The Peptides and Proteins lab at the Institute for Research in Biomedicine (IRB Barcelona) has published a paper in Chemical Communications describing the use of a peptide derived from chlorotoxin, found in scorpion venom ...

Molding the business end of neurotoxins

For snakes, spiders, and other venomous creatures, the "business end," or active part, of a toxin is the area on the surface of a protein that is most likely to undergo rapid evolution in response to environmental constraints, ...

Creepy crawly cargo caught in Australia

Australian customs officers got more than they bargained for when two shoe boxes arrived from Europe with venomous snakes, exotic spiders and scorpions found slithering inside the "creep crawly cargo".

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