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This Week in Microbiology

vincentThis Week in Microbiology (TWiM) 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.

As a science Professor at Columbia University, Racaniello has spent his academic career directing a research laboratory focused on viruses. His enthusiasm for teaching inspired him to reach beyond the classroom using new media. TWiM is for everyone who wants to learn about the science of microbiology in a casual way.

While there are no exams or pop quizzes, TWiM does encourage interaction with the audience via comments on specific episodes (below), vial email and voicemail at 908-312-0760. Listeners can also use MicrobeWorld to suggest topics for the show by submitting articles or papers to the site and tagging them with "TWiM". Each week Racaniello will view the tagged content and select items for discussion.

TWiM co-hosts include Elio SchaechterMichael Schmidt, and Michele Swanson.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

TWiM #127: Subway Snowblowers and Men in Black

The TWiM team explores microbes in snowblower vents on the ocean floor, and cleavage of antibody molecules by a Mycoplasma protease.

Image (right): Photograph of the ‘Subway’ snowblower vent on the sea floor at Axial Seamount, Juan de Fuca Ridge. Visible are white ‘snow’ in the vent and orange floc on the seafloor. Credit: Canadian Scientific Submersible Facility and the University of Washington.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt.

snowblower vent800

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Right click to download TWiM#127 (40 MB .mp3, 54.5 minutes).

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

This episode is sponsored by ASM Agar Art Contest and ASM Grant Writing Course

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it.  

TWiM #126: I’m not scared of zebrafish and mice and bears (oh my!)

The microbiome of hibernating bears, and zebrafish as a model for bacterial sepsis feature in this animal-centric episode of TWiM hosted by Vincent, Michael, and Michele.

Image: Bright-field (top) and fluorescent (bottom) images of zebrafish embryos infected with E. coli strain F11. Epithelial cells are green. Arrowheads mark protrusion caused by infection.

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt.

zebrafish

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Right click to download TWiM#126 (48.5 MB .mp3, 67 minutes).

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

This episode is sponsored by ASM Agar Art Contest and ASM Microbe 2016

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it.  

TWiM #125: A minimal cell operating system

A deep sequencing study of commercially available probiotics, and design and synthesis of a minimal bacterial genome are the topics tackled by Vincent, Michael, and Michele on this episode of TWiM.

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt.

dividing M mycoides

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Right click to download TWiM#125 (42 MB .mp3, 58 minutes).

Image: Negatively stained transmission electron micrographs of dividing M. mycoides JCVI-syn1. Cells were stained using 1% uranyl acetate on pure carbon substrate and visualized using a transmission electron microscope.

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

This episode is sponsored by ASM Agar Art Contest and ASM Microbe 2016

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. , 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.

 

TWiM #124: Fungal pirates

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt.

Vincent, Michael, and Michele reveal how a fungal protease blunts the innate immune response and promotes pathogenicity. 

Read more: TWiM #124: Fungal pirates

TWiM #123: A microbial MAGE

Hosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter

Special guest: Harris Wang

Harris joins Vincent, Elio, and Michael to describe multiplex automated genome engineering, a method for targeting many modifications in a population of bacterial cells.

Read more: TWiM #123: A microbial MAGE

TWiM #122: Mayonii, microRNAs and the microbiome

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt.

Vincent, Michele, and Michael reveal the discovery of a new species of the spirochaete that causes Lyme disease, and fecal microRNAs that shape the gut microbiome.grouping-of-gram-negative-anaerobic-borrelia-burgdorferi-bacteria2

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Right click to download TWiM#122 (46 MB .mp3, 63.5 minutes).

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

This episode is sponsored by Microbe Magazine Podcast and ASM Microbe 2016

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. , 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.

 

TWiM #121: A plague of pathogens

Filmed live at ASM Biodefense 2016 with special guests: Rebekah Kading and Wyndham Lathem.

From the ASM Biodefense and Emerging Diseases Research meeting, Vincent Racaniello speaks with Rebekah and Wyndham about their work on Rift Valley Fever virus and other vector-borne pathogens, and the evolution and pathogenesis of Yersinia pestis, the agent of plague.

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Right click to download TWiM #121 (42 MB .mp3, 58 minutes).

This episode was filmed live at ASM Biodefense 2016

 

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Links for this episode 

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. , 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.

TWiM #120: Snakes in trouble

Hosts: Vincent Racaniello and Elio Schaechter.

Vincent and Elio marvel in the finding that a phage tail-like structure from a marine bacterium stimulates tubeworm metamorphosis, and reveal Ophidiomyces as a cause of snake fungal disease.Signs of SFD in snakes

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Right click to download TWiM#120 (35 MB .mp3, 49 minutes).

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Links for this episode 

This episode is sponsored by ASM Grant Writing Institute Online Webinar and 32nd Clinical Virology Symposium

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. .

 

TWiM #119: Power of one

Hosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter.

The microbophiles investigate the ratio of bacterial to human cells in our bodies, and how placing solar panels on a bacterium enables it to carry out photosynthesis.bacteria cells ratio

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Right click to download TWiM#119 (46 MB .mp3, 73 minutes).

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Links for this episode 

This episode is sponsored by ASM Grant Writing Institute Online Webinar and 32nd Clinical Virology Symposium

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. .

 

TWiM #118: Spore-drops keep fallin’ on my head

Hosts: Vincent Racaniello, Elio Schaechter and Michele Swanson

On the last episode for 2015, Vincent, Elio, and Michele discuss how soil amoeba hunt nematodes in packs, and the role of mushrooms as rainmakers.Bullers Drop

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Right click to download TWiM#118 (47 MB .mp3, 66 minutes).

Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Links for this episode 

This episode is sponsored by ASM Microbe 2016 and ASM Biodefense

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. .

 

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