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Science Quickly

Snail's Venom Puts Fish in Insulin Coma

Science Quickly

Scientific American

Science

4.2639 Ratings

🗓️ 26 January 2015

⏱️ 2 minutes

🧾️ Download transcript

Summary

The cone snail's venom contains not only neurotoxins, but insulin, too—which stuns the fish it preys on. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Understanding the human body is a team effort. That's where the Yachtel group comes in.

0:05.8

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

0:11.0

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

0:19.6

To learn more about Yachtolt, visit yawcot.co.j.j, that's y-A-K-U-L-T-C-O-J-P.

0:28.4

When it comes to a guide for your gut, count on Yacolt.

0:33.4

This is Scientific American 60-second science.

0:36.6

I'm Christopher in Thalata. Got a minute?

0:39.4

It may not be the legendary matchup, Squid versus Octopus, but imagine this fight.

0:44.8

Sea-dwelling cone snail versus tiny fish.

0:47.7

Who wins?

0:48.9

Well, true.

0:49.8

The fish can dart away.

0:51.5

But the snail has chemical weapons.

0:53.2

So they use a whole cocktail of compounds, and most of them are neurotoxins. And they just

1:00.0

completely wipe out the prey's physiology, right? So the prey cannot respond anymore.

1:05.8

Helen Safavi, a biologist at the University of Utah. She and her colleagues discovered

1:10.0

that the cone snail's venom

1:11.3

contains not only neurotoxins, but insulin too,

1:15.0

which the snails prey take in through their gills.

1:17.9

And that insulin overdose causes the fish's blood sugar to plummet,

1:21.3

depriving its brain of energy and inducing a coma.

1:24.1

And that's what happens when you give people an insulin overdose. You can cause

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