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MOOC: Pandemics and new viral infections (in Spanish)

New Massive Online Open Courses (MOOC) in Spanish about Pandemics and new viral infections.

This is a mini online open course about basic concepts of virus and pandemics. We answer questions as what is a virus?, how a virus multiplies inside a cell?, what is a pandemic?, why appear new influe... Read More

BacterioFiles Micro Edition 148 - Engineered Escherichia Enzyme Enhances Environmentalism

This episode: Engineered bacteria could help capture CO2 and convert it into a solid form for storage!


(7.3 MB, 8 minutes)


E. coli engineered to produce the enzyme carbonic anhydrase, which converts carbon dioxide to bicarbonate and then to calcium carbonate,... Read More

Mycobacterium smegmatis

Mycobacterium smegmatis grown on TSA for 96 hrs.
Read More

BacterioFiles Micro Edition 149 - Psychrobacter Survives Siberian Schisms

This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!


(9.1 MB, 9.9 minutes)


Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair... Read More

BacterioFiles Micro Edition 145 - Clostridium Converts Cortisol

This episode: Gut bacteria may convert cortisol into important human hormones!


(6 MB, 6.5 minutes)


Note: Episode 144 is now available too. Sorry about that. Not sure what went wrong there, but it is regrettable.


A minor player in the gut, Clostridium scindens,... Read More

MWV Episode 86 - The Microbiology of Cheese

Have you ever wondered why mozzarella bubbling and stretching between pizza slices is so different from the earthy flavors of blue-veined gorgonzola? The diversity of cheeses we love are created by encouraging and manipulating the growth of specific microbes. The American Socie... Read More

Microbes are going to save the world | Bonnie Bassler (video)

Should we only consider bacteria as harmful to our bodies?

Bonnie Bassler is a molecular biologist who has made a stunning discovery: bacteria 'talk' to each other using chemical signals that enable them to act as a unit, mount attacks and coordinate defence. This phenomenon of bacterial com... Read More

"Super bacteria" cleaning up after oil spills

Norwegian researchers in Trondheim have achieved surprising results by exploiting nature's own ability to clean up after oil spills.
We all know that marine bacteria can assist in cleaning up after oil spills. What is surprising is that given the right kind of encouragement, they can be even mo... Read More

Enterobacter aerogenes on MacConkey Agar (Mac)

Streak plate isolation of Enterobacter aerogenes grown on MacConkey agar for 24 hours at 37 degree's. Colonies grow pink due to fermentation of lactose. Read More

More Evidence Shows Whooping Cough Evolving In Response To Its Vaccine

Researchers have found evolved pertussis, as whooping cough is scientifically known, in Finland, France, Italy, Japan and the U.S. As we previously reported, the evolved bacteria don't seem to be more dangerous than their predecessors. Nevertheless, the U.S. Centers for Disease Control and Preve... Read More

BacterioFiles Micro Edition 146 - Engineered Escherichia Eliminates Enemies

This episode: Scientists engineered E. coli to seek and destroy pathogens!


(10 MB, 11 minutes)


A bacterium can sense pathogens in the body, swim toward them, and release a deadly biofilm-busting payload. This process is called pseudotaxis, and could be modified for many... Read More

Scientists Discover Link Between Gut Microbiota And Colorectal Cancer

Colorectal cancer patients have fewer beneficial gut bacteria and more harmful microbes than those without the disease, researchers from the New York University School of Medicine report in Friday’s edition of the Journal of the National Cancer Institute.

While previous research had suggested... Read More

TWiP 76: Herpesvirus worms its way out

Vincent and Dickson discuss how infection of mice with helminths induces cytokines that reactivate a latent gamma-herpesvirus.


Hosts: Vincent Racaniello and  Read More

BacterioFiles 181 - Spore-formers Smash Salmonella's Solanum Strongholds

This episode: Soil bacteria could help prevent food poisoning from bacteria in raw tomatoes!


(9.6 MB, 10.5 minutes)


Show notes: 
News item<... Read More

BacterioFiles Micro Edition 150 - Morels Make Mycelial Motorways

This episode: Bacteria use fungal filaments like highways to swim through soil!


(7.7 MB, 8.3 minutes)


Show notes: 
Journal Paper


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TWiV 260: Badgers go viral

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Host: Vincent Racaniello


Guests: Read More

TWiM #85: Oscillation in the ocean and a Verona integron

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteria

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white cell. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) Read More

Scientists Study What to Do If You Drop a Cookie on the Floor

Once again, you've dropped your snack. You bend down, snatch it up, and gently blow off any dust—and, you hope, deadly germs. You're about to put it in your mouth because, after all, you've got the "five-second rule" on your side: Food that's been dropped is safe to consume if it's been on the f... Read More

Gut bacteria may be best defense against nasty germs

Antibiotic-resistant bacteria are on the rise, making it more and more difficult to treat infections. But research suggests that the best defense against harmful bugs could be a healthy population of “good” gut bacteria. The human relationship with microbial life is complicated. At almost any su... Read More

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