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Matters Microbial #129: Microbes Reveal How Evolution Might Replay

May 5, 2026

Today Dr. Michael Travisano, Distinguished McKnight University Professor in the College of Biological Sciences of the University of Minnesota, joins the #QualityQuorum to discuss fascinating work from his lab group exploring evolutionary questions from a microbial perspective.

Host: Mark O. Martin

GuestMichael Travisano

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  • Here is the link to the article we discussed during the podcast, authored by Dr. Travisano and Dr. Rainey.
  • An overview of the concept of adaptive radiation.
  • The ecological/evolutionary concept of "cheating" which applies to the mat forming bacteria discussed in this podcast.
  • link to an article by Dr. Jo Handelsman and colleagues about THOR, a simple microbial community that has shows great functional diversity.
  • A wonderful essay about Dr. Rich Lenski's role in the LTEE.
  • An essay from "Small Things Considered" describing "rewinding" evolution using microbial systems.
  • A wonderful book by Stephen Jay Gould, "Wonderful Life" about evolution.
  • Another book well worth your attention:  "Chance and Necessity" by Jacques Monod.
  • An article about the challenges of multicellularity in bacteria.
  • The wonderful short video example of "snowflake yeast" evolving within days.
  • link to another #MattersMicrobial podcast by Dr Will Ratcliff, about "snowflake yeast."
  • An article by Dr. Travisano and colleagues describing conflict and cooperation in microbial societies discussed on this podcast.
  • An article by Dr. Travisano and colleagues about the evolution of "snowflake yeast," discussed on this podcast.
  • An article by Dr. Travisano and colleagues discussing the role of other microbes in the development of multicellularity, discussed on this podcast. 
  • An article by Dr. Travisano and colleagues, on the repeatability of microbial adaptive evolution discussed on this podcast.
  • A list of references authored by Dr. Travisano and colleagues.
  • Dr. Travisano's faculty website.

Intro music is by Reber Clark

Send your questions and comments to mattersmicrobial@gmail.com