TWiM 208: Georgia Tech microbial

At Georgia Tech, members and trainees of the Center for Microbial Dynamics and Infection discuss the identification of pathogen essential genes during coinfections, and how coral management can improve coral defenses against pathogens.

Hosts: Vincent Racaniello, Michele Swanson and Michael Schmidt

Guests: Deanna Beatty, Mark Hay, Gina Lewin, Frank Stewart, and Marvin Whiteley

Right click to download TWiM#208 (33 MB .mp3, 67 minutes)

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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 207: Partnerships to advance public health

From ASM Microbe 2019 in San Francisco, Vincent speaks with Victoria McGovern, Carl Nathan, and Dan Portnoy about advancing human health through innovative collaborations.

Host: Vincent Racaniello

Guests: Victoria McGovern, Carl Nathan, and Dan Portnoy

Right click to download TWiM#207 (33 MB .mp3, 67 minutes)

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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 206: Bacteria send nucleotide signals


The TWiM holobionts pay tribute to Stuart Levy, and reveal the remarkably diverse array of cyclic nucleotides synthesized by bacteria that likely mediate interactions with animal and plant hosts.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson and Michael Schmidt

Right click to download TWiM#206 (47 MB .mp3, 65 minutes)

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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 205: Asgards meet the Tardigrades

The tetracoccal TWiM team visits Tardigrades on the Moon, and the twelve year quest to isolate an archaeon that provides insights into the emergence of the first eukaryotic cell.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson and Michael Schmidt

Right click to download TWiM#205 (49 MB .mp3, 67 minutes)

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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 204: Programmable bacteria for antitumor immunity

Vincent meets up with Nick and Tal to explain how they engineered E. coli to lyse within tumors and deliver an antibody that causes tumor regression in mice.

Host: Vincent Racaniello

Guests: Nicholas Arpaia and Tal Danino

Right click to download TWiM#204 (49 MB .mp3, 68 minutes)

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

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TWiM 203: A magnetotacic consortium under the sea

The TWiM team reveals thousands of small novel genes in the human microbiome, and a mutualistic symbiosis between marine protists covered with magnetosome-containing bacteria.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson and Michael Schmidt

Right click to download TWiM#203 (29 MB .mp3, 58 minutes)

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

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TWiM 202: This frass doesn’t stink


Julie joins the TWiM team to reveal how microbiome and gut anatomy of a wood-feeding beetle promotes lignocellulose deconstruction, and bacteria that degrade PET plastic.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson and Michael Schmidt

Guest: Julie Wolf

Right click to download TWiM#202 (30 MB .mp3, 60 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 201: Microbiology papers for first year students

Mark Martin joins Vincent and Michael to present compelling papers suitable for teaching microbiology to undergraduate students.

Hosts: Vincent Racaniello and Michael Schmidt

Guest: Mark O. Martin

Right click to download TWiM #201 (41 MB .mp3, 84 minutes)

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

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

TWiM 200: In the company of Elio

Vincent, Michele, and Michael travel to San Diego to reminisce with Elio about his career, his work in microbiology, and his love for microbes and mushrooms.

Hosts: Vincent Racaniello, Elio Schaechter,Michele Swanson and Michael Schmidt

Right click to download TWiM #200 (44 MB .mp3, 61 minutes)

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Links for this episode

The pins made by Jennifer Quinn and given to us by Mark Martin.

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

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

TWiM 199: PhD Balance

From ASM Microbe 2019, the Microbials meet up with Susanna and Alex to talk about mental health in graduate school and NIH peer review.

Hosts: Vincent Racaniello, Michele Swanson and Michael Schmidt

Guests: Susanna L. Harris and Alex Politis

Right click to download TWiM#199 (36 MB .mp3, 75 minutes)

Subscribe to TWiM (free) on iTunes, Google Podcasts, 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

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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