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BacterioFiles 239 - Familial Pheromones Fight faecalis

This episode: Gut bacteria kill their drug-resistant pathogenic cousins of the same species via pheromone signaling!



Just to let you know, I'm trying to finish up my dissertation and graduate in the next few months, so after episode 240, I will be putting the show on hold, at least for... Read More

BacterioFiles 237 - Proving Protist Predation Parentage

This episode: Vampirovibrio chlorellavorus, a predatory bacterium that feeds on Chlorella algae, is currently lost from science, but its genome has been sequenced and interpreted anyway, to reveal a surprising family history!


(9.4 MB, 10.25 minutes)


Read More

TWiV 359: A Blossom by any other name

Host: Vincent Racaniello


Guest: Blossom Damania


Vincent speaks with Blossom about he... Read More

BacterioFiles 258 - Transformed Toxin Translocates Treatments

This episode: Bacterial toxins could be modified to deliver life-saving proteins into neurons!


(11.1 MB, 12.1 minutes)


Show notes: 
Journal Paper:

Chen C, Przedpelski A, Tepp WH, Pellett S, Johnson EA, Barbieri JT. 2015.... Read More

Methyl Red/Vogoes-Proskauer (MR-VP)

Methyl Red/Vogoes-Proskauer (MR-VP)
One medium used for two separate but related tests, identifying butanediol (VP) or acidic fermentation products (MR) as part of the IMViC test used in the identification of Enterobacteriaceae.

•Methyl Red (MR): detects the ability of an organism to produc... Read More

TWiP 84: Bigfoot

Vincent, Dickson, and Daniel consider the delivery of anti-trypanosome nanobodies to the tsetse fly via a bacterial symbiont, and present a new case study.


Hosts: Vincent Racaniello Read More

BacterioFiles 253 - Probiotics Promote Protective Pathway

This episode: In mice and fruit flies, Lactobacillus species induce gut cells to protect themselves from reactive oxygen compounds!


(8.2 MB, 8.9 minutes)


Show notes: 
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TWiM #87: Avogadro, archaeal fossils, and ICAAC

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

BacterioFiles 200 - Converted Clostridium Consumes Carbon monoxide

This episode: Carbon monoxide-eating bacteria get modified to produce more useful products!


(16 MB, 17.5 minutes)


Show notes: 
Journal Paper


... Read More

Streptomyces albus

Streptomycetes are a member actinomycete family. Streptomycetes are usually found in soil and are important decomposers. They are aerobic, gram-positive, filamentous rods that create branching hyphae. They also produce more than half of the world's antibiotics, and are therefore very valuable in... Read More

TWiV 349: One ring to vaccinate them all

Hosts: Vincent RacanielloAlan Dove, and Rich ... Read More

Introducing the Thanatomicrobiome

In a healthy adult human body, most internal organs such as the brain, spleen, liver, and heart are devoid of microorganisms because the immune system keeps them in check. After human host death, however, the immune system falters and microorganisms proliferate throughout the body beginning in ... Read More

Lactose fermenting E.coli after overnight growing on MacConkey agar

MacConkey agar plate with invasive lactose fermenting E.coli which was isolated for fatal case of neonatal septicemia.
Photo was taken after 12h incubation under 37C.
Credits: Povilas Kavaliauskas, Vilnius University, Lithuania. Read More

BacterioFiles 175 - Bacteria Build Better Biofilms

This episode: Engineered bacteria can be made to produce many different useful kinds of biofilm!


(10.5 MB, 11.5 minutes)


Show notes: 
News item 1/ Read More

TWiM #121: A plague of pathogens

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


Fr... Read More

BacterioFiles 256 - Virus Versus Virus

This episode: Viruses can cause host cells to inhibit other viruses!


(8 MB, 8.75 minutes)


Show notes: 
Journal Paper:

Chiba S, Suzuki N. 2015. Highly act... Read More

BacterioFiles 227 - Microbe Menaces Meningitis

This episode: Colonizing ourselves with friendly bacteria could drive out more risky ones, such as those that cause meningitis!


(9.8 MB, 10.6 minutes)


Show notes: 
Read More

TWiM #115: Profiling the Poglianos

Host: Vincent Racaniello


Special guests: Kit Pogliano and Joe Pogliano


Vincent visits the laboratories of Kit and J... Read More

TWiP 107: Parasites leave a bad taste in my gut

The TWiPtastic trio solves the case of the Surfer from Switzerland, and reveal how taste-chemosensory tuft cells in the gut regulate immune responses to parasites.


Hosts: Vincent Racaniello,&n... Read More

BacterioFiles 183 - Simplex-Sick Stem Cell Salve

This episode: Cancer-killing viruses could work even better when loaded into stem cells!


(8.3 MB, 9 minutes)


Show notes: 
News item/ Read More

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