PNAS Science Sessions9 Des 2024

The curious case of the comb jelly

Reverse development in a comb jelly

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, Joan Soto and Patel Burkhardt introduce us to a comb jelly with the ability to reverse its development to an earlier stage of life.

In this episode, we cover:
•[00:00] Introduction
•[00:54] Marine biologist Joan-Josep Soto recounts the history of research into reverse development.
•[02:27] Soto and evolutionary biologist Burkhardt introduce the comb jelly Mnemiopsis leidyi and its life stages.
•[04:04] Burkhardt explains why the researchers became interested in Mnemiopsis.
•[04:48] Soto describes how the researchers induced reverse development in Mnemiopsis.
•[06:13] Burkhardt explores hypotheses regarding why reverse development occurs.
•[07:13] Soto talks about the lessons yet to be learned from Mnemiopsis.
•[09:35] Burkhardt summarizes the caveats and limitations of the study.
•[10:12] Conclusion.

About Our Guests:

Joan-Josep Soto-Angel
Postdoctoral Scholar
University Museum of Bergen

Pawel Burkhadt
Group Leader
Michael Sars Center, University of Bergen

View related content here: https://www.pnas.org/doi/10.1073/pnas.2411499121

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