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PODCAST

This Week in Microbiology

Vincent Racaniello

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.

science life sciences

All Episodes

01:10:14

TWiM #74: It came from the Siberian permafrost

This Week in Microbiology ·

2014/03/12

Vincent, Elio, and Michael discuss a huge 30,000 year old virus recovered from Siberia, and nested symbiosis facilitated by horizontal gene transfer from bacteria to insect.

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01:19:38

TWiM #73: Eyeing root nodule development

This Week in Microbiology ·

2014/02/27

Vincent, Michael, and Michele discuss how soil-dwelling bacteria induce the formation of root nodules on legumes via a protein called CYCLOPS.

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01:14:10

TWiM #72: The benefits of virulence

This Week in Microbiology ·

2014/02/13

Vincent, Elio, Michael, and Michele review how microbial virulence can be increased as a consequence of community surveillance and adaptation to macrophages.

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01:18:38

TWiM #71: Colon cancer’s little shop of horrors

This Week in Microbiology ·

2014/01/22

Vincent, Michael, and Michele explain how the gut microbiome modulates colon tumorigenesis, and regulation of intestinal macrophage function by the microbial metabolite butyrate.

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01:13:12

TWiM #70: A paroxysmal cough

This Week in Microbiology ·

2013/12/18

Vincent, Elio, Michael, and Michele discuss evidence that the acellular pertussis vaccine fails to prevent infection and transmission in nonhuman primates, and the use of bacterial cytological profiling to identify pathways targeted by antibiotics.

en

01:09:42

TWiM #69: Bacterial DNA in the human genome

This Week in Microbiology ·

2013/11/27

Vincent, Elio, Jo, and Michele review evidence for bacterial DNA integrated into the human genome, and control of the symbiont population in an insect midgut.

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01:11:23

TWiM #68: The fungus among us

This Week in Microbiology ·

2013/11/14

Vincent, Elio, Michael, and Michele discuss the amazingly high level of intergenera gene exchange among haloarchaea in an Antarctic lake, and the diversity of fungi on residential surfaces and the human forehead.

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01:15:30

TWiM #67: Black mushrooms and RNA thermosensors

This Week in Microbiology ·

2013/10/30

Vincent, Elio, and Michael discuss how temperature triggers Neisseria menigitidis immune evasion, and protection of mice from ionizing radiation by feeding them black mushrooms.

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01:08:58

TWiM #66: The shape of a container

This Week in Microbiology ·

2013/10/17

Vincent, Elio, Michael, and Michele discuss the curious outer membrane vesicles of Neisseria meningitides, and sources of Clostridium difficile infection revealed by genome sequencing.

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51:11

TWiM #65: Leanness is transmissible

This Week in Microbiology ·

2013/10/03

Hosts: Vincent Racaniello and Michelle Swanson. Vincent and Michelle reveal how the human gut microbiota can modulate obesity in mice. Links for this episode: Gut microbiota modulate metabolism (Science) Fighting obesity with bacteria (Science) Letters read on TWiM 065 Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.

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01:18:00

TWiM #64: URI and UTI at ICAAC in Denver

This Week in Microbiology ·

2013/09/18

Vincent and Michael recorded this episode at the 53rd ICAAC in Denver, where they spoke with James Gern and James Johnson about rhinoviruses and extra-intestinal pathogenic E. coli.

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01:26:01

TWiM #63: Superantigens, S. aureus, and the armpit...

This Week in Microbiology ·

2013/09/04

Vincent, Michael, and Michelle discuss how a Staphylococcus aureus superantigen is critical for pathogenesis in a rabbit model, and the relationship of body odor to the axilla microbiome.

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01:19:54

TWiM #62: Breaking bad and protein chain mail

This Week in Microbiology ·

2013/08/21

Vincent and Michael discuss how infection with influenza A virus disperses Streptococcus pneumoniae biofilms leading to disease, and an amazing protein chainmail in a viral capsid

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59:38

TWiM #61: The irony of probiotics

This Week in Microbiology ·

2013/08/07

Vincent, Elio, and Michele review how horizontal gene transfer from bacteria to an insect genome enables a tripartite nested mealybug symbiosis, and how probiotic bacteria work by competing for iron in the intestine.

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01:11:29

TWiM #60: Microbial electrochemistry and...

This Week in Microbiology ·

2013/07/24

Vincent, Elio, and Michael discuss how an error-prone reverse transcriptase produces enormous diversity in a Legionella protein, and using microbes to convert waste into bioelectricity and chemicals.

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01:24:55

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

This Week in Microbiology ·

2013/07/10

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

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01:21:33

TWiM #58: The brain microbiome?

This Week in Microbiology ·

2013/06/20

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.

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58:34

TWiM #57: Updating the human gut microbiome to...

This Week in Microbiology ·

2013/06/05

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.

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01:42:04

TWiM #56: Live at ASM in Denver

This Week in Microbiology ·

2013/05/24

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 bacteria. This episode was filmed live at ASM GM 2013 in Denver, CO. Visit www.microbeworld.org/asmlive to

en

01:25:00

TWiM #55: In the copper room

This Week in Microbiology ·

2013/04/24

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

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354 results

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