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Octopus with venom that works in freezing temperatures discovered

Mihai Andrei by Mihai Andrei
March 11, 2013
in Environment, Health & Medicine, Studies
Reading Time: 2 mins read
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Boy, you just can’t have enough octopus, that’s for sure – they’re really amazing creatures, that often surprise us. Now, a venomous octopus living in the frozen waters of Antarctica is definitely awesome, but how is this useful?

Well, according to Bryan Fry, of the University of Melbourne, it is. He and his team have been studying how evolution changed the way this octopus hunts, as well as the nature of the venom. The way they do things is drill small holes into large, shelled prey and then inject the toxic saliva.

“We found that venom can work at sub-zero temperatures. It was quite remarkable to find how well octopuses have adapted to Antarctic life,” Fry said.

He also noted the remarkable diversity of the species, with specimens varying in size from as little as a few inches to several meters.

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“Evolutionary selection pressures slowly changed their venom, which allowed them to spread into colder and colder waters and eventually spread into super-cold waters,” Mr Fry said. We want to see what cool and wonderful new venom components we can find out of these venoms that would be useful in drug development,” he said. Nature has designed a perfect killing weapon … they have such incredibly accurate activity that there has to be a way to harness that. To tweak it or modify it or just use one little chunk.”

If we take a look at hypertension drugs (such as ACE inhibitors) that are modeled after snake venom, and other diabetes drugs (modeled after lizard saliva), it is understandable where the benefits of this study could pop up.

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Tags: antarcticaoctopusResearchspeciesstudyvaccinevenom
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Mihai Andrei

Mihai Andrei

Andrei's background is in geophysics, and he's been fascinated by it ever since he was a child. Feeling that there is a gap between scientists and the general audience, he started ZME Science -- and the results are what you see today.

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