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TWiV 214: This is your brain on polyomavirus

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Hosts: Vincent Racaniello, Alan Dove, and Read More

BacterioFiles Micro Edition 144 - Copper Chelator Calms Quicksilver

This episode: Bacteria could reduce mercury's toxicity in their environment!


(6.5 MB, 7 minutes)


Methanotrophs (bacteria that use methane for their carbon and energy) secrete siderophore-like compounds that are usually used to chelate copper and make it more bioavailable, but ... Read More

Measles Vaccine Given With a Microneedle Patch Could Boost Immunization Programs

Measles vaccine given with painless and easy-to-administer microneedle patches can immunize against measles at least as well as vaccine given with conventional hypodermic needles, according to research done by the Georgia Institute of Technology and the Centers for Disease Control and Prevention... Read More

BacterioFiles 172 - Sunlight-Snackers Seize Sparks

This episode: Some photosynthetic bacteria can use electricity for their metabolism to make useful stuff too!


(9.2 MB, 10 minutes)


Show notes: 
News item 1... Read More

TWiP 92: Kleptohaemodeipnonism

Vincent, Dickson, and Daniel discuss how fluctuation in the price of guinea pig food could help transmission of the agent of Chagas disease, and present a new case study for your consumption.


Hosts:  Read More

How Bacteria Talk to Each Other and Our Cells

Bacteria talk to each other using N-acylhomoserine lactones (AHLs) as quorum sensing (QS) signals. This signaling allows the bacteria to control gene expression of virulence factors and biofilms once a critical density has been achieved. This phenomenon, quorum sensing, is important when an infe... Read More

TWiV 271: To bee, or not to bee, that is the infection

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Hosts: Vincent Racaniello, Dickson Despommier, Read More

Fighting bacteria with mucus

Study shows that key proteins in mucus prevent bacterial adhesion to surfaces, could help prevent growth of biofilms.

Slimy layers of bacterial growth, known as biofilms, pose a significant hazard in industrial and medical settings. Once established, biofilms are very difficult to remove, and... Read More

TWiV 315: Must be something in the water

Vincent, Alan, Rich and Kathy discuss the association of a virus with sea star melting disease, and the finding of a phycodnavirus in the oropharynx of humans with altered cognitive functions.


Hosts: Vincen... Read More

Study: Flu, fever in pregnancy linked to autism risk

In a study that's already being greeted with notes of caution, Danish researchers report that children whose mothers had the flu or ran a fever lasting more than a week during pregnancy had an increased risk of developing an autism spectrum disorder.

U.S. health officials stress that the new ... Read More

TWiM #101: The MRSA in your home

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

Study finds how bacteria inactivate immune defenses

A new study by researchers at Imperial College London has identified a way in which Salmonella bacteria, which cause gastroenteritis and typhoid fever, counteract the defence mechanisms of human cells.

One way in which our cells fight off infections is by engulfing the smaller bacterial cell... Read More

TWiV 275: Virocentricity with Eugene Koonin

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 Hosts: Vincent Racaniello and Rich Condit Read More

TWiM #103: The battle for iron

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

TWiM 62 Letters

Robert writes:
In TWIM #60 @1:06:23 Michael Schmidt suggests that glucose for fermentation from biomass is a necessary step in production of fuel ethanol. Fuel ethanol and other low molecular weight compounds can also be produced by autotrophic anaerobic fermentation of ... Read More

BacterioFiles 165 - Bacillus Biofilms Balk Bilks

This episode: Interview with Jordi van Gestel: cheaters in bacterial communities don't always succeed!


(13.1 MB, 14.25 minutes)


Read More

Bacteria: are they in your head?

The human “microbiome”—the trillions of bacteria, yeasts, and other microscopic creatures that live inside a human body—has been one of the major science stories in recent years. It seems that barely a week goes by that we don’t learn something new about the relationship between the human body a... Read More

Scientists Find New Bacteria That Feasts On Antibiotics

Scientists have found a soil bacteria that not only resists the toxic effects of antibiotics -- it makes a meal out of them.

Many bacteria can protect themselves from antibiotics by modifying the compounds to make them harmless or by pumping the compounds out of their cells entirely. And othe... Read More

TWiM #94: Nitrochondria

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

Anti-bacterial chemical triclosan shows up in rivers, causes concern

Three decades ago, some companies began adding a chemical called triclosan to their products and tried to convince consumers that their hand soap or toothpaste was better because it was “anti-bacterial.”

Now, scientists are finding traces of that compound in the environment, and it’s causing ... Read More
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