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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

01:11:05

189: Salmonella BonJovi

This Week in Microbiology ·

2018/11/16

The TWiM team considers the state of the world’s fungi as revealed by a report from the Kew Royal Botanical Gardens, and how Salmonella loses motility to evade host defenses. Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter, and Michele Swanson Take our listener survey. Thanks! asm.org/twimpoll 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. Become a Patron of TWiM! Links for

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01:20:45

188: Turducken antibiotics

This Week in Microbiology ·

2018/10/31

The TWiM rock stars show how to modify gram-positive antibiotics so they can kill gram-negative cells, and bacteria that have both DNA and RNA in their genome. Hosts: Vincent Racaniello and Michael Schmidt Links for this episode Antibiotics for gram-positives that kill gram-negatives (J Med Chem) Sideromycin commentary (Am Council Sci Health) Bacterial genome with DNA and RNA (J Am Chem Soc) Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Get the entire ASM

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01:06:29

187: Rounding up the bees

This Week in Microbiology ·

2018/10/19

The TWiM people reveal that phages must cooperate to overcome CRISPR-Cas defenses, and the effect of the herbicide glyphosate on the gut microbiome of honey bees. Hosts: Vincent Racaniello, Elio Schaechter, Michael Schmidt, and Michele Swanson 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. Become a Patron of TWiM! Links for this episode: Phages Cooperate to Overcome CRISPR-Cas Immunity

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01:13:24

186: Crypto-metamorphosis

This Week in Microbiology ·

2018/10/05

The TWiM team describe the involvement of a microbiome in snail metamorphosis, and using Listeria to kill tumors. Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson. Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Get the entire ASM Podcast Network via our Microbeworld app. Become a Patron of TWiM! Links for this episode Infectious diseases after Florence (Med Inf Dis) Cryptic niche switching in gastropod (Proc Roy Soc B) Metamorphosis then no

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01:08:22

185: There’s no moa Moa

This Week in Microbiology ·

2018/09/21

The TWiM team considers the increasing tolerance of Enterococcus to handwash alcohols, and how the study of DNA in ancient dung reveals the diet and parasite burden of extinct New Zealand birds. 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. Become a Patron of TWiM! Episode Links: Hand sanitizer alert (Emerg Inf Dis) Bacteria becoming hand sanitizer tolerant (NPR) Increasing tolerance of

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01:26:09

184: CRISPR-Cas immune systems

This Week in Microbiology ·

2018/09/07

Sam Sternberg discusses his work on exploring and exploiting CRISPR-Cas immune systems, beginning as a graduate student with Jennifer Doudna, at a biotech start-up, and in his laboratory at Columbia University. Host: Vincent Racaniello Guest: Sam Sternberg Become a Patron of TWiM! Links for this episode Sternberg Laboratory at Columbia Mechanism of substrate selection by Cas9 (RNA) DNA interrogation by Cas9 (Nature) Conformational control of DNA target cleavage by Cas9 (Nature) A Crack in Creation

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57:04

183: Two symbioses

This Week in Microbiology ·

2018/08/23

The TWiMpeeps discuss two symbioses: a parasitoid bacterium of a heterotrophic protist, and fungal parasites in cicadas. Become a patron of TWiM. Links for this episode: Parasitoid bacterium of protist (bioRxiv) Fungal symbiont recruitment in cicadas (PNAS) Fly by virus (TWiEVO 33) The Atlantic “How to Tame a Zombie Fungus” by Ed Yong Image credit Letters read on TWiM 183 Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions

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01:05:47

182: A micro story with macro implications

This Week in Microbiology ·

2018/08/09

The TWiM hosts reveal how to test antimicrobial susceptibility in less than 30 minutes, and a carbonate-sensitive phytotransferrin in diatoms that controls iron uptake. Become a Patron of TWiM! Links for this episode: Legionnaire’s Disease with Michele Swanson Antibiotic susceptibility in less than 30 min (PNAS) S. saprophyticus growing in microfluidic chip (movie, PNAS) Mother machine (Jun lab) E. coli growth in mother machine (YouTube) Diatom phytotransferrin (Nature) CRISPR tool kit (Nat

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58:01

181: Dr. Warhol’s Periodic Table of Microbes

This Week in Microbiology ·

2018/07/26

Vincent speaks with John Warhol about state microbes, the Periodic Table of the Microbes, and why microbiology is cooler than astrophysics, but they have better TV shows. Host: Vincent Racaniello Guest: John Warhol Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Get the entire ASM Podcast Network via our Microbeworld app. Become a patron of TWiM. Links for this episode State Microbe (Wikipedia) Micro Minutes! (tumblr) Warhol Science on Etsy Periodic

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01:04:24

180: Microbecentricity with Mark O. Martin

This Week in Microbiology ·

2018/07/13

Vincent speaks with Mark O. Martin about microbial centricity, teaching undergraduates microbiology, lux art, painting with glowing bacteria, tardigrades and much more at ASM Microbe 2018. Host: Vincent Racaniello Guest: Mark O. Martin Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Get the entire ASM Podcast Network via our Microbeworld app. Become a patron of TWiM. Links for this episode Microbial menagerie All creatures great and small Carski Award

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01:16:05

179: Viable but not culturable

This Week in Microbiology ·

2018/06/29

The TwiModulators discuss aerosolization of bacteria and viruses in an ocean-atmosphere mesocosm, and how the common practice of decontaminating produce with chlorine produces viable but non-culturable pathogens. Become a patron of TWiM. Links for this episode: Taxon-specific aerosolization of bacteria and viruses (Nat Commun) Chlorine produces viable but non-culturable bacteria (mBio) Chlorine washing fails bacteria test (Guardian) Foodborne illness in US: Major pathogens (CDC) Chlorine

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01:04:48

178: Corals are sexy with Christina Kellogg

This Week in Microbiology ·

2018/06/15

The TWiM team travels to ASM Microbe 2018 in Atlanta, Georgia to speak with Christina Kellogg about her career and her research on coral microbial ecology. Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson Guest: Christina Kellogg 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: Christina Kellogg on twitter Coral microbial

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54:38

177: Microbial sibling conflict

This Week in Microbiology ·

2018/06/01

The TWiM team discuss bacteriophage evolution in a dairy plant, and killing of less fit cells among social microbes. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson, and Elio Schaechter. Subscribe to TWiM (free) on iPhone, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app. Links for this episode A decade of phage evolution (Appl Env Micr) Animation of phage infection (Vimeo) Double agar assay for phage (Dairy Science) Sibling conflict among

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59:48

176: Elio has lots of colanic acid

This Week in Microbiology ·

2018/05/17

Vincent, Michael and Elio note the passing of Stanley Falkow, give E. coli an archaeal membrane, and show how the microbiome can make worms live longer. Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter. Subscribe to TWiM (free) on iPhone, 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 Fecal transplants in the good old days (STC) Stanley Falkow, 84 Loss of an old army buddy (STC)

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01:03:06

175: Neomycin is antiviral

This Week in Microbiology ·

2018/05/02

The TWiM team notes the passing of Allan Campbell, and explains how aminoglycoside antibiotics like neomycin enhance host resistance to viral infection. Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson. Subscribe to TWiM (free) on iPhone, 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: Happy Birthday, Elio! (STC) Allan Campbell, 88 (Stanford News) Life in Science by Allan Campbell

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01:02:25

174: A Gathering Typhoid Storm

This Week in Microbiology ·

2018/04/19

The TWiMsters explain why untreatable typhoid fever might be on the way, and the evolution of fungal virulence in tropical frogs. Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter. Subscribe to TWiM (free) on iPhone, 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 Extensively drug resistant Salmonella typhi (mBio) A Gathering Storm (mBio) Typhoid vaccine recommendations (CDC)

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58:34

173: Gee whiz in style

This Week in Microbiology ·

2018/03/30

The Masters of the Microbiological Universe discuss the humongouest fungus, and a commensal bacterium that protects against skin neoplasia. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Elio Schaechter. Subscribe to TWiM (free) on iPhone, 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 Fertile prototaxites (Proc Royal Soc B) The humongousest fungus (STC) Commensal Staphylococcus

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01:13:32

172: Unfolding relaxases and soil malacidins

This Week in Microbiology ·

2018/03/15

The TWiMmers discuss culture-independent discovery of malacidin antibiotics, and unfolding of relaxase during bacterial conjugation. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Elio Schaechter. Subscribe to TWiM (free) on iPhone, 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 Malacidins from soils (Nat Micro) Excellent antibiotic resistance threat report (CDC, pdf) Jo

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01:00:33

171: If you give a bee a fungus

This Week in Microbiology ·

2018/02/22

The TWiM team explores a stingless bee that requires a fungal steroid to pupate, and colonic biofilms containing tumorigenic bacteria in patients with colorectal polyps. Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter. Subscribe to TWiM (free) on iPhone, 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 Bee larvae require fungal steroid to pupate (Sci Rep) Biofilm refuge for tumorigenic

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55:54

170: Rats, lice, and nanoparticles

This Week in Microbiology ·

2018/02/08

The TWiM team reveals that spread of plague was likely by human ectoparasites, not rats, and deconstruct a durable, broadly protective protein nanoparticle influenza virus vaccine. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Elio Schaechter. Become a patron of TWiM. Links for this episode Ectoparasites and plague (PNAS) SIR model for spread of disease (MAA) Protein nanoparticle flu vaccines (Nat Commun) Food washing (USDA) Image credit Letters read on TWiM 170

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