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Nature Podcast

30 November 2017: Unnatural DNA & worm mothers

Nature Podcast

podcast@nature.com

News, Science, Technology

4.5893 Ratings

🗓️ 29 November 2017

⏱️ 24 minutes

🧾️ Download transcript

Summary

This week, reading unnatural DNA, and young worm mothers explain a wriggly riddle.

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Transcript

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0:00.0

nature in a term I don't know yet why is like so far like it sounds so simple they had no idea but now the data's

0:11.7

i find this not only refreshing but but at some level astounding nature welcome back to the Nature. Nature.

0:25.6

Welcome back to the Nature podcast.

0:28.6

This week, creating unnatural proteins.

0:33.6

Plus how young worm mothers may hold the answer to a wriggly riddle.

0:39.6

This is the nature podcast for November the 30th, 2017. I'm Adam Levy.

0:41.0

And I'm Charmany Bundell.

0:51.6

There's a species of worm that has an almost celebrity status in biology. That worm is Sennorabditis elegans, or C.Elegans to its friends.

0:57.0

See elegans is the go-to model for understanding basic properties of animals, in part because

1:03.0

it's pretty basic itself. But in spite of the reams of research that have been carried out on this

1:08.0

tiny worm, there are still some pretty big unanswered

1:11.2

questions. Worms with seemingly identical nature and nurture can have markedly different

1:17.6

traits. Marcos Perez has been tracking down the cause of this mysterious variation for his PhD.

1:24.2

I gave him a call to find out more.

1:26.1

See Elegance is actually one of the best understood animals on the planet.

1:30.3

And there's probably in the order of 5,000 to 10,000 people working on sea elegance worldwide.

1:35.3

So there's a huge number of papers and a really broad knowledge base.

1:40.3

And really the idea, I think, with choosing C. Elegans as a model organism in the

1:44.9

first place, was to have a very simple animal to try and have a complete understanding

1:50.6

of an animal, of an animal's development, of how the animal works and operates basically

1:57.7

on a molecular level. And just how complete is our understanding?

2:01.6

What kind of things do we already know about Cieligans?

...

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