Vincent Racaniello

This Week in Microbiology

Science EN ↓ 359 episodes

This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.

Author

Vincent Racaniello

Category

Science

Podcast website

www.asm.org

Latest episode

Jul 4, 2026

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Episodes

TWiM #59: Are viruses part of our immune system? 10.07.2013

Vincent and Michael discuss the finding that bacteriophage might be part of the mucosal antimicrobial defense system.

TWiM #58: The brain microbiome? 20.06.2013

Vincent, Elio and Michael review how underground mycelial networks carry signals that warn neighboring plants of aphid attack, and the presence of bacteria in the human brain.

TWiM #57: Updating the human gut microbiome to degrade seaweed 05.06.2013

Vincent, Elio and Michael discuss fungi that use pheromones to trap nematodes, and how genes obtained from marine bacteria help gut bacteria degrade algal carbohydrates. 

TWiM #56: Live at ASM in Denver 24.05.2013

Vincent, Elio and Michael recorded this episode before an audience at the 2013 General Meeting of the American Society for Microbiology in Denver, Colorado, where they spoke with Andrew, Ferric, Suzanne, and Michelle about their research on a phage system for evading innate immunity, retractions of research papers, bacterial infections of the eye, and cytoplasmic defenses against intracellular bac...

TWiM #55: In the copper room 24.04.2013

Vincent, Elio and Michael discuss the finding that copper surfaces reduce microbial burden and hospital-acquired infections in the intensive care unit.

TWiM #54: Dueling injectors and the microgenderome 10.04.2013

Vincent, Elio, and Michael review how sex-dependent differences in the mouse microbiome regulate type I diabetes, and counterattack among bacteria.

TWiM #53: Live in Manchester 29.03.2013

Vincent, Laura, David, Kalin and Paul get together at the Society for General Microbiology meeting in Manchester, England to talk about next-generation approaches to antimicrobial therapy.

TWiM #52: Clinical microbiology with Ellen Jo Baron 11.03.2013

Vincent and Michael meet up with Ellen Jo Baron to talk about working in a clinical microbiology laboratory.

TWiM #51: Cave science with Hazel Barton 27.02.2013

Vincent, Michael, and Elio meet up with Hazel Barton to talk about cave microbiology.

TWiM #50: These things aren't even bacteria! 30.01.2013

Vincent, Michael, and Stanley review the scientific career of Carl Woese.

TWiM #49: Grape-like Clusters 16.01.2013

Vincent, Michael, and Elio discuss the HIV co-receptor CCR5 as a receptor for S. aureus leukotoxin ED, and the vineyard yeast microbiome.

TWiM #48: It's all about direction 03.01.2013

Vincent, Michael, and Jo discuss how subtle gender bias of science faculty favors male students, and the relationship of invasive infection and antibody orientation at bacterial surfaces.

TWiM #47: Resistance on the surface 19.12.2012

Horizontal transfer of antibiotic resistance genes on metal surfaces, and using bacteriophage to reverse antibiotic resistance.

TWiM #46: Spore! 05.12.2012

Vincent, Michael, and Elio meet up with Jonathan Dworkin to discuss how bacteria form spores and how they return to vegetative growth.

TWiM #45: Secreted nucleic acids RIG a STING 21.11.2012

Vincent, Michael, Elio review i nnate immune sensing of Listeria secreted bacterial nucleic acids, and how Wolbachia enhances egg production in Drosophila.

TWiM #44: Phage interruptus 24.10.2012

Vincent, Michael, Elio  discuss the role of prophage excision in exit of Listeria from the phagosome, and analysis of bacterial communities in saliva.

TWiM #43: Bacterial caveolae and zapping acne with phages 10.10.2012

Vincent, Michael, Elio  review formation of caveolae in a bacterium, and the limited genetic diversity and broad killing activity of P. acnes bacteriophages.

TWiM #42: Staphylococcus, a three-star pathogen 26.09.2012

Vincent, Michael, Elio, and Joe review highlights of the 15th International Symposium on Staphylococci and Staphylococcal Infections (ISSSI) in Lyon, France.

TWiM #41: ICAAC live in San Francisco 13.09.2012

Vincent and Michael travel to San Francisco for the 52nd Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), where they meet with Bill, John, and Victor to discuss tuberculosis, monitoring infectious disease outbreaks with online data, and outside-the-box approaches to antibacterial therapy.

TWiM #40: A mecca for microbiology 29.08.2012

**MicrobeWorld app users, click the "e" symbol in the bottom right corner of this description to watch a bonus video version of this episode!** Vincent and Stanley meet with Waclaw Szybalski and John Kirby at Cold Spring Harbor Laboratory on the occasion of its designation as a Milestones in Microbiology site. They reminisce about how the well known laboratory has advanced the science and teaching...

TWiM #39: What Darwin never knew 15.08.2012

Vincent, Michael, and Elio reviews chapters from Microbes and Evolution , a collection of short, personal essays by microbiologists.

TWiM #38: The sound of whooping cough 02.08.2012

Vincent, Jo, Michael, and Elio review an outbreak of pertussis in Washington, and how culturing can reveal rare members of the soil biosphere.

TWiM #37: Microbial Jekyll and Hyde 18.07.2012

Vincent, Jo, Michael, and Elio discuss two examples of dynamic microbial symbioses that switch between mutualistic and pathogenic states.

TWiM #36: Domesticating a pathogen 04.07.2012

Vincent, Michael, and Elio explore the origin of Mycoplasma pathogens of ruminants, and share their thoughts on the recent ASM General Meeting.

TWiM #35: Ohne hauch 21.06.2012

Vincent, Michael, and Elio review necrotizing fasciitis, and a link between surface remodeling in gram-positive and gram-negative bacteria.

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