TWiM 148: Neanderthal dentistry

Homo_neanderthalensis_face_(University_of_Zurich)Hosts: Vincent Racaniello, Elio Schaechter, and Michael Schmidt

Vincent, Elio, and Michael reveal what Neanderthals ate from analysis of DNA in their teeth, and new CRISPR-Cas systems found in the genomes of uncultured microbes.

Right click to download TWiM#148 (27 MB .mp3, 56 minutes)

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Links for this episode

This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twim

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 147: The public goods dilemma

ncomms14371-f1Hosts: Vincent Racaniello, Elio Schaechter, Michael Schmidt and  Michele Swanson

The TWiM hosts reveal why phosphorus is essential for fungal brain disease, and how bacteria kill local competitors to favor the evolution of public goods cooperation.

Right click to download TWiM#147 (32 MB .mp3, 67 minutes)

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Links for this episode

This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twim

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 146: Viral arbitrium

lysis or lysogenyHosts: Vincent Racaniello, Elio Schaechter, and Michael Schmidt

Vincent, Elio and Michael discuss the finding of a prion in bacteria, and how communication between bacteria guides the decision between lysis and lysogeny.

Right click to download TWiM#146 (39 MB .mp3, 54 minutes)

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

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Links for this episode

This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twim

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM Special: Q fever with Robert Heinzen

Robert HeinzenHost: Vincent Racaniello

Guest: Robert Heinzen

At the Rocky Mountain Laboratory in Hamilton, Montana, Vincent speaks with Robert Heinzen about the work of his laboratory on Q fever and its causative microbe, Coxiella burneti.

Right click to download TWiM Special with Robert Heinzen (39 MB .mp3, 65 minutes)

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Links for this episode

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 145: Anything but academic

Host: Vincent Racaniello

Guests: Catharine Bosio, Michael J Merchlinsky, and Shilpa Gadwal

Vincent meets up with Katy Bosio, Michael Merchlinsky, and Shilpa Gadwal at the ASM Biothreats meeting to talk about careers for scientists outside of the ivory tower.

Right click to download TWiM#145 ( MB .mp3,  minutes)

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Links for this episode

This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free – WITH FREE SHIPPING – by going to blueapron.com/twim

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 144: Did eukaryotes invent anything?

Cell typesHosts: Vincent Racaniello, Elio Schaechter, Michael Schmidt, and Michele Swanson

The TWiMers discuss how changes in domestic laundering affect the removal of microorganisms, and assembly of a nucleus-like structure during viral replication in bacteria.

Right click to download TWiM#144 (32 MB .mp3, 66 minutes)

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

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Links for this episode

This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free – WITH FREE SHIPPING – by going to blueapron.com/twim

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 143: E-scaffolds and receptor transfer

lambda virionHosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson

Vincent, Michael, and Michele explain the use of an electrochemical gradient to eliminate bacterial biofilms, and how phage susceptibility can be transferred by exchange of receptor proteins.

Right click to download TWiM#143 (32 MB .mp3, 66 minutes)

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Links for this episode

This episode is brought to you by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 142: A membrane-thickness caliper

caliperHosts: Vincent Racaniello, Elio Schaechter, and Michele Swanson

Vincent, Elio and Michele wind up a year of microbial podcasts with a story about the lack of resistance to a crop antifungal compound, and how a bacterium uses a molecular caliper to measure membrane thickness.

Right click to download TWiM#142 (28 MB .mp3, 59 minutes)

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Become a Patron of TWiM!

Links for this episode

This episode is brought to you by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE.

This show is sponsored by Drobo, a family of safe, expandable, yet simple to use storage arrays. Drobos are designed to protect your important data forever. This Holiday season give someone a Drobo to keep all their files and memories safe forever.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 141: Nutritional immunity and polymicrobial infections

Jennifer BombergerHosts: Vincent Racaniello, Elio Schaechter, and Michael Schmidt

Guest: Jennifer Bomberger

Jennifer joins Vincent, Elio, and Michael to talk about the work of her laboratory on how a respiratory virus enhances bacterial growth by dysregulating nutritional immunity.

Right click to download TWiM#141 (47 MB .mp3, 66 minutes)

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Become a Patron of TWiM!

Links for this episode

This episode is brought to you by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE.

This show is sponsored by Drobo, a family of safe, expandable, yet simple to use storage arrays. Drobos are designed to protect your important data forever. This Holiday season give someone a Drobo to keep all their files and memories safe forever.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

TWiM 140: Small town, big science

Host: Vincent Racaniello

Guests: Marie Antonioli, Bryan Hansen, Forrest Jessop, Kyle Shifflet and Jim Striebel

At the Hamilton, Montana Performing Arts Center, Vincent speaks with three local high school graduates and two high school teachers about how Rocky Mountain Laboratories influenced school science programs and opened up career opportunities.

Right click to download TWiM#140 (49 MB .mp3, 80 minutes)

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Become a Patron of TWiM!

Links for this episode

This episode is brought to you by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to twim@microbe.tv

About the Hosts of TWiM

Vincent Racaniello, Ph.D. (@profvrr) is Higgins Professor of Microbiology & Immunology at Columbia University Medical Center. He has been studying viruses for over 40 years. He teaches virology to undergraduate and graduate students, as well as medical, dental, and nursing students. His lectures are available online at iTunes University, YouTube, and Coursera.


Michael Schmidt, Ph.D. (TWiM) is the Professor and Vice Chairman of Microbiology and Immunology and Director of the Office of Special Programs at the Medical College of South Carolina. Dr. Schmidt is leading a team of infectious disease specialists from three health sciences centers and engineers from industry.

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