Here's a movie from the University of Madison-Wisconsin depicting the steps for creating an acid fast stain.
On episode #75 of the podcast This Week in Virology, Vincent, Alan, and Matt review contamination of Rotarix with circovirus DNA, antigenic similarity between 1918 and 2009 H1N1 influenza, a ... Read More
This episode: Modified probiotic bacteria could reduce life-threatening allergies!
(6.3 MB, 6.8 minutes)
Hiroshi Nakaido, PBD Faculty Scientist, Structural Biology Department, and Professor of Biochemistry and Molecular Biology, UC Berkeley, has authored a guest post on the Small Things Considered Blog regarding the limitations of LB medium.
"LB broth contains, per ml, 10 mg tryptone (... Read More
This episode: Ants teaming with bacteria help defend plants from bacterial pathogens!
(9.4 MB, 10.2 minutes)
Stanley Falkow, Professor Microbiology and Immunology, Geographic Medicine, Infectious Diseases, Stanford University School of Medicine, presents the second part of a lecture on host-pathogen interaction. This one focuses on H. pylori (the ulcer bacterium) and the story behind its discovery by A... Read More
After the eradication of smallpox in 1980, the World Health Organization called for destruction of known remaining stocks of the virus. The United States and Russia, which hold the known stocks of smallpox virus, have not destroyed their stocks. During TWiV #124, I was surprised to learn that th... Read More
The federal government is reintroducing a powerful weapon in the fight against the H1N1 flu virus: Elmo.
The popular Sesame Street character will be featured in a series of public service advertisements meant to encourage better hygiene among young children, the Department of Health a... Read More
Every different life form on earth can probably be infected with at least one type of virus, if not many more. Most of these viruses have not yet been discovered: just over 2,000 viral species are recognized. While the majority of the known viruses infect bacteria and eukaryotes, there are only ... Read More
Save the date for the Keystone Symposia on Molecular & Cellular Biology conference on “The Gut Microbiome: The Immune Effector/Regulator Network,” taking place February 10–15, 2013 at Sagebrush Inn and Conference Center in Taos, New Mexico, USA. Organized by Lloyd H. Kasper of Dartmouth Medical ... Read More
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
Nuevas guías de la Agencia de Protección Ambiental (USEPA) para las aguas recreacionales: éste es el tópico que discutiremos hoy con Grace Robiou, quien ha trabajado durante los últimos años buscando nuevos indicadores de riesgo que protejan mejor a los bañistas.
Aunque en el mu... Read More
For fours years I have taught a virology course at Columbia University and have posted videos of each lecture on my website, virology.ws, and at iTunes University. Nearly 100,000 individuals have subscribed to my virology course at iTunes University. Now Columbia has signed an agreement with Cou... Read More
This episode: When sensing an infection, mice make sure to keep their gut bacteria well-fed. And it pays off!
(11.8 MB, 13 minutes)
As we hear more and more news about the environmental disaster currently underway in the Gulf, there has been much talk about how microbes can be utilized to biodegrade the oil. In this 7 minute video posted on YouTube we see how scientists successfully implemented a bioremediation plan during t... Read More
The UK's National Center for Biology Eduction has an interesting experiment involving toilet paper, hot water and oyster mushroom starter culture.
"Gastronomes will no doubt be aware of the presence of an increasing range of exotic mushrooms on the supermarket shelves. In the Far East, oyster... Read More
This episode: Bacteria extend little hairs that could help clean up radioactive contamination!
Micro-blogging via Twitter is being evaluated as a means for tracking infectious diseases. The 2009 outbreak of H1N1 provided them an opportunity for testing Twitter as an approach for tracking disease outbreaks. From the end of April, researchers at the University of Iowa began collecting Twitt... Read More