157 | Elizabeth Strychalski on Synthetic Cells and the Rules of Biology

157 | Elizabeth Strychalski on Synthetic Cells and the Rules of Biology

Natural selection has done a pretty good job at creating a wide variety of living species, but we humans can't help but wonder whether we could do better. Using existing genomes as a starting point, biologists are getting increasingly skilled at designing organisms of our own imagination. But to do that, we need a better understanding of what different genes in our DNA actually do. Elizabeth Strychalski and collaborators recently announced the construction of a synthetic microbial organism that self-reproduces just like a normal unicellular creature. This work will help us understand the roles of genes in reproduction, one step on the road to making DNA molecules and artificial cells that will perform a variety of medical and biological tasks.

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Elizabeth Strychalski received her Ph.D. in physics from Cornell University. She is the founder and current leader of the Cellular Engineering Group at the National Institute of Standards and Technology. She serves on the steering group for the Build-A-Cell collaboration.


Avsnitt(424)

15 | David Poeppel on Thought, Language, and How to Understand the Brain

15 | David Poeppel on Thought, Language, and How to Understand the Brain

Language comes naturally to us, but is also deeply mysterious. On the one hand, it manifests as a collection of sounds or marks on paper. On the other hand, it also conveys meaning – words and sentenc...

8 Sep 20181h 24min

14 | Alta Charo on Bioethics and the Law

14 | Alta Charo on Bioethics and the Law

To paraphrase Ian Malcolm in Jurassic Park, scientists tend to focus on whether they can do something, not whether they should. Questions of what we should do tend to wander away from the pristine bea...

8 Sep 20181h 8min

13 | Neha Narula on Blockchain, Cryptocurrency, and the Future of the Internet

13 | Neha Narula on Blockchain, Cryptocurrency, and the Future of the Internet

For something of such obvious importance, money is kind of mysterious. It can, as Homer Simpson once memorably noted, be exchanged for goods and services. But who decides exactly how many goods/servic...

8 Sep 20181h 6min

12 | Wynton Marsalis on Jazz, Time, and America

12 | Wynton Marsalis on Jazz, Time, and America

Jazz occupies a special place in the American cultural landscape. It's played in elegant concert halls and run-down bars, and can feature esoteric harmonic experimentation or good old-fashioned foot-s...

4 Sep 20181h 1min

11 | Mike Brown on Killing Pluto and Replacing It with Planet 9

11 | Mike Brown on Killing Pluto and Replacing It with Planet 9

Few events in recent astronomical history have had the worldwide emotional resonance as the 2006 announcement that Pluto was no longer considered a planet, at least as far as the International Astrono...

27 Aug 20181h 17min

10 | Megan Rosenbloom on the Death Positive Movement

10 | Megan Rosenbloom on the Death Positive Movement

We're all going to die. But while we are alive, it's up to us how we understand and deal with that fact. In the United States especially, there is a tendency to not face up to the reality of death, an...

20 Aug 20181h 9min

9 | Solo -- Why Is There Something Rather than Nothing?

9 | Solo -- Why Is There Something Rather than Nothing?

It's fun to be in the exciting, chaotic, youthful days of the podcast, when anything goes and experimentation is the order of the day. So today's show is something different: a solo effort, featuring ...

13 Aug 20181h 21min

8 | Carl Zimmer on Heredity, DNA, and Editing Genes

8 | Carl Zimmer on Heredity, DNA, and Editing Genes

Our understanding of heredity and genetics is improving at blinding speed. It was only in the year 2000 that scientists obtained the first rough map of the human genome: 3 billion base pairs of DNA wi...

6 Aug 20181h 31min

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