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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

57:54

TWiM #105: Real bugs with legs

This Week in Microbiology ·

2015/06/05

The TWiM team reviews the microbiological safety of herbs in the United Kingdom, and how a peptide from the milkweek bug binds the ribosome and inhibits bacterial protein synthesis. Links for this episode: Microbes in whole-leaf herbs (J Appl Micro) Antimicrobial peptide blocks ribosome (Nat Struct Mol Biol) Bacterial protein synthesis (Micro Mol Biol Rev) Antimicrobial peptides (Nature) The battle for tryptophan (Front Cell Infect Micro) Image credit

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01:03:49

TWiM #104: Feed me polyamines, biofilm

This Week in Microbiology ·

2015/05/21

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. The TWiM team discusses how measles vaccination protects against other infectious diseases, and links between bacterial biofilms and colon cancer. Subscribe to TWiM (free) on iTunes, Stitcher, RSS, or by email. You can also listen on your mobile device with the Microbeworld app. Links for this episode Measles vaccination prevents all-cause infectious disease (Science) Master of contagion (The Loom) Video: Measles

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01:05:50

TWiM #103: The battle for iron

This Week in Microbiology ·

2015/05/08

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. The TWiM team is amazed by the ocelloid, and an evolutionary battle for iron between mammalian transferrin and bacterial transferrin-binding protein. Subscribe to TWiM (free) on iTunes, Stitcher, RSS, or by email. You can also listen on your mobile device with the Microbeworld app. Links for this episode A unicellular camera-type eye structure (PLoS One) Escape from iron piracy (Science) Iron in infection and

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57:43

TWiM #102: Happiness is the spore-formers in your gut

This Week in Microbiology ·

2015/04/24

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. The TWiM team discusses evidence that serotonin synthesis is regulated by spore-forming members of the gut microbiota. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. Links for this episode When antibiotic resistance in vitro falls short (STC) Gut microbiota control serotonin in mice (Cell) Serotonin biosynthesis (Wikipedia) Microbial

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01:14:44

TWiM #101: The MRSA in your home

This Week in Microbiology ·

2015/04/01

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. The TWiMers discuss how aroma helps disperse yeast cells on insect vectors, and evidence that MRSA is transmitted within households. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. Links for this episode Aroma promotes yeast dispersal on flies (Cell Rep) MRSA is transmitted within households (mBio) FAQ: The threat of MRSA (AAM) Image

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50:38

TWiM #100: Omnis cellula e cellula

This Week in Microbiology ·

2015/03/18

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Jo Handelsman. The TWiM team celebrates 100 episodes with a Talmudic question, and discussion of how a single mutation alters bacterial host tropism. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. Links for this episode A single mutation alters bacterial tropism (Nat Gen) Talmudic question #104 (Small Things Considered) Principles of Microbial Diversity (ASM

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01:01:56

TWiM #99: Careers in Biodefense

This Week in Microbiology ·

2015/03/04

Hosts: Vincent Racaniello Guests: Maria Julia Marinissen, Edward H. You, and David R. Howell Vincent meets up with Maria, Edward, and David at the ASM Biodefense and Emerging Infections Research meeting to talk about alternative careers for scientists. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. A video version of this episode is available at microbeworld.org/twim Links for this episode: ASM Biodefense meeting FBI

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58:37

TWiM #98: Bacteria and eukaryotes get horizontal

This Week in Microbiology ·

2015/02/19

The TWiM crew ponders the question of how a bacterium finds its middle when dividing, then divulge the transfer of interbacterial antagonism genes to eukaryotes, where they may function in innate defense. Links for this episode: Size independent symmetric division (Nat Commun) How does a bacterium find its middle? (Nat Struct Biol) Genes transferred from bacteria augment eukaryotic defenses (Cell) Antibacterial gene transfer (eLife) Letters read on TWiM #98 on TWiM 98 Visit

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01:14:23

TWiM #97: There’s gold in them hills

This Week in Microbiology ·

2015/02/04

The TWiM team reveal how bacteria in a shipworm’s gills help digest wood in the gut, and an approach that identifies a new antibiotic from the soil. Links for this episode: Gill bacteria enable a novel digestive strategy (PNAS) Killing bacteria without resistance (Nature) An irresistable newcomer (Nature) Peptidoglycan synthesis animation 10 x 20 initiative (IDSA) Longitude Prize Visit microbeworld.org/twim for more.

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54:39

TWiM #96: A lean, mean sequencing machine

This Week in Microbiology ·

2015/01/21

Hosts: Vincent Racaniello. Special guest: Rob Knight Vincent meets up with Rob Knight to talk about the technology that has fueled his drive to sequence the Earth and its inhabitants. Check out the Microbeworld app. Links for this episode Microbes en masse (Nature) Obesity alters gut microbial ecology (PNAS) Sharing microbiome with dogs (eLife) Earth microbiome project (BMC Biology) Stability of gut micobiota (Science) Gut microbes and the brain (J Neurosci) Send your microbiology questions

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01:06:22

TWiM #95: A microbe lover in San Diego

This Week in Microbiology ·

2015/01/09

Hosts: Vincent Racaniello. Special guest: Stanley Maloy Vincent meets up with Stan Maloy on the campus of San Diego State University to talk about his career in microbiology and his work as Dean of Science. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. Links for this episode: Maloy lab Salmonella.org Microbial genetics course page Typhoid Mary Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv,

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01:06:50

TWiM #94: Nitrochondria

This Week in Microbiology ·

2014/12/25

Vincent, Elio, and Michael discuss a symbiosis between a nitrogen-fixing cyanobacteria and a single-celled eukaryotic alga. Links for this episode: Unicellular cyanobacterium and alga symbiosis (Science) Diversity of nitrogen-fixing cyanobacterium and its host (Environ Micro) Talmudic Question #4 (answer) Talmudic Question #2 Coccolithophore (Wikipedia) Visit microbeworld.org/twim to view the complete shownotes and entire back catalog.

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56:30

TWiM #93: Worming in on bacteria

This Week in Microbiology ·

2014/12/11

Vincent, Elio, and Michael reveal that a soil-dwelling nematode can recognize and respond to a bacterial quorum sensing molecule through a sensory neuron.

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01:08:06

TWiM #92: Flying biofilms

This Week in Microbiology ·

2014/11/27

Vincent, Elio, Michael and Michele discuss the possible eradication of wild poliovirus type 3, and how microsporidian parasites prevent locust swarming behavior.

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58:32

TWiM #91: Rats, viruses, and bacteria

This Week in Microbiology ·

2014/11/14

Vincent, Elio, and Michele review a study of the viruses and bacteria in commensal rats in New York City. Visit microbeworld.org/twim for complete show notes. Thanks for listening!

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01:02:15

TWiM #90: Think globally, act locally

This Week in Microbiology ·

2014/10/29

Vincent meets up with Laurene and David at the Annual Meeting of the Southern California Branch of the American Society for Microbiology, where they discuss how the Los Angeles County Department of Health is preparing for an outbreak of Ebola virus infection, and Cepheid’s game-changing, modular PCR system for the diagnosis of infectious diseases.

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01:13:14

TWiM #89: Microbial handoffs

This Week in Microbiology ·

2014/10/15

Vincent, Michele, and Michael discuss how a gene from bacteria protects a tick from plant cyanide poisoning, and enhanced transmission of Streptococcus pneumoniae by influenza virus co-infection in mice.

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50:26

TWiM #88: A century of excellence in microbiology

This Week in Microbiology ·

2014/10/01

Michele speaks with members of the Department of Bacteriology at the University of Wisconsin - Madison, on the occasion of its designation as a Milestones in Microbiology site, where they discuss how the department has advanced the science and teaching of microbiology.

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01:14:14

TWiM #87: Avogadro, archaeal fossils, and ICAAC

This Week in Microbiology ·

2014/09/17

Vincent, Elio, and Michael explore the fossilization of archaeal lipids, and highlight the recent ICAAC in Washington, D.C.

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01:12:06

TWiM #86: Blurring the line between organelle and...

This Week in Microbiology ·

2014/09/03

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Vincent, Elio, Michael, and Michele consider whether our eating behavior is manipulated by gastrointestinal microbiota, and an aphid gene of bacterial origin whose gene product encodes a protein that is transported to an obligate endosymbiont. Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app. Links for this episode National Biosafety

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345 results

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