TWiM 306: Spirulina smoothies

TWiM discusses the identification of natural products from reconstructed ancient bacterial genomes, and how plant mRNAs move into a fungal pathogen via extracellular vesicles to reduce infection.

Hosts: Vincent Racaniello, Michael Schmidt, and Petra Levin

Right click to download TWiM #306 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

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Music used on TWiM is by Ronald Jenkees.

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

TWiM 305: The marvel of MAC

TWiM reviews the ongoing cholera outbreak in Africa, and research showing that gut complement induced by the microbiota blocks pathogens and spares commensal bacteria.

Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson, and Petra Levin

Right click to download TWiM #305 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

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Music used on TWiM is by Ronald Jenkees.

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

TWiM 304: A New blue cheese-making fungus

TWiM reveals a new population in the blue cheese-making fungus Penicillium roqueforti and identification of a quorum-sensing autoinducer and siderophore in uropathogenic Escherichia coli.

Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson

Right click to download TWiM #302 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

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Music used on TWiM is by Ronald Jenkees.

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

TWiM 303: Can our microbiome break our hearts?

TWiM reveals a database of genome sequences of thousands of Mycobaterium tuberculosis, allowing association with resistance phenotypes to 13 antibiotics, and microbe-derived uremic solutes that enhance thrombosis potential in the host.

Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson

Right click to download TWiM #302 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 302: Itching and scratching and new antibiotics

TWiM describes the mechanism for the S. aureus itch and scratch induced skin damage, and discovery of a novel class of antibiotics that targets the lipopolysaccharide transporter.

Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson

Right click to download TWiM #302 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 301: Another year is microbial

A highly reduced TWiM team presents a study of the use of phage diversity in cell-free DNA to identify bacterial pathogens in human sepsis cases, and the evolution, persistence, and host adaptation of a gonococcal antimicrobial resistance plasmid that emerged in the pre-antibiotic era.

Hosts: Vincent Racaniello and Petra Levin

Right click to download TWiM #301 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 300: Marvels of microbiology

On the occasion of TWiM’s 300th episode, we discuss how two college students found a new antibiotic in soil, Barbara Iglewski’s passing, and Elio returns for an appearance.

Hosts: Vincent Racaniello,  Michael Schmidt, Michele Swanson and Petra Levin

Guest: Elio Schaechter

Right click to download TWiM #300 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 299: Teaching with TWiM

From ASM’s Conference for Undergraduate Educators 2023 in Phoenix, TWiM speaks with  Amaya Garcia Costas and Gwendolyn Knapp about their approaches to undergraduate microbiology education, and how they use TWiM as part of their curricula.

Hosts: Vincent Racaniello,  Michael Schmidt, Michele Swanson and Petra Levin

Guests: Amaya Garcia Costas and Gwendolyn Knapp

Right click to download TWiM #299 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 298: Impact of lung microbiome and racial disparities on asthma

TWiM provides thoughts on providing better training for a non-academic career, and help celebrate Black in Microbiology Week with a 2023 paper by Ari Kozik, a co-founder of Black Microbiologists Association and Assistant Professor at the University of Michigan.

Hosts: Vincent Racaniello,  Michael Schmidt, Michele Swanson and Petra Levin

Right click to download TWiM #298 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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

TWiM 297: Bacterial-electronic sensor pill

TWiM reviews how a coating of lipoproteins provides a stabilizing environment on the inner membrane of Bacillus subtilis spores, and a miniaturized device that integrates genetically engineered probiotic biosensors with a custom-designed photodetector and readout chip to track mediators of inflammation in the gastrointestinal tract

Hosts: Vincent Racaniello,  Michael Schmidt, and Petra Levin

Right click to download TWiM #297 (51 MB .mp3, 70 minutes)

Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Stitcher, Android, RSS, or by email.

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

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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Please note that content in MicrobeTV podcasts should not be construed as medical advice.