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TWiV 371: Sympathy for the devil

Hosts: Vincent RacanielloDickson DespommierAlan Dove Read More

TWiV 372: Latent viral tendencies

Hosts: Vincent RacanielloAlan DoveRich Condit Read More

A growing concern: why whooping cough incidence may be increasing in a highly vaccinated population

News headlines highlighting an outbreak of a vaccine-preventable disease often leave readers shaking their heads. These diseases – measles, chickenpox, whooping cough – could have been prevented if only the infected children had been vaccinated. Right? Well, in the case of whooping cough, the si... Read More

My experience with Foldscope, the paper microscope.

My experience with Foldscope, the paper microscope. See the images of insects, parasites, vegetal and animal tissues and cells, yeast, bacteria and (almost) virus (the cytopathic effect), with Foldscope, the paper microscope (text in Spanish). Read More

TWiEVO 2: Faster than a speeding virus

On episode #2 of the new science show This Week in Evolution, Nels and Vincent talk about how a cellular enzyme contributes to the very high mutation rate of human immunodeficiency virus type 1.

You can find TWiEVO #2 at microbe.tv/twievo. Read More

TWiV 352: Science art with Michele Banks

Host: Vincent Racaniello


Guest: Michele Banks


Vincent meets up with Michele Banks in Wash... Read More

MdlM116: La importancia de los virus como patógenos emergentes en América Latina

Los virus son considerados por la mayoría como patógenos en todo tipo de entidades biológicas.  Sin embargo la gran mayoría de los virus son inocuos a sus células hospedero.  Nuestro invitado de hoy, el Dr. Paolo Zanotto es investigador y profesor en la Universidad de Sao Paolo, Bra... Read More

Will you share? Social versus selfish mechanisms affect selective conditions

The previous post mentioned the onset of antibiotic resistance as one of the scarier, if less sensationalist, outbreaks of our time. We generally discuss antibiotic resistance in medically relevant microbes (on this blog and in the news), where resistance means the ability of disease-causing mic... Read More

A transmissible cancer of soft-shell clams

A leukemia-like cancer is killing soft-shell clams along the east coast of North America. The cancer is transmitted between animals in the ocean, and appears to have originated in a single clam as recently as 40 years ago. Read More

Toward development of microarrays to test water safety

Imagine taking an ocean-side vacation, with the sun, sand, and water lulling you to relaxed bliss. After day at the beach, you experience an intense bout of stomach cramps and – more delicately put – GI distress. A rare day off is ruined because of a bug you picked up. Next, imagine a situation ... Read More

New promise for treatment of enterovirus infection

Feeling a bit under the weather? There’s a decent chance you’re suffering from an infection with an enterovirus. Enteroviruses are a commonly encountered virus, especially in the summer and fall. They can cause a variety of symptoms, from cold-like symptoms such as runny nose or fever to more se... Read More

Discovery of the Sixth DNA base?

Scientist has described the possible existence of sixth DNA base, the methyl-adenine (mA) this week.

Deoxyribonucleic acid (DNA) is a polymer of nucleotides, which encodes every genetic information of living existence. The entire genetic information are stored within DNA as the form of millio... Read More

TWiEVO 3: Recombination is for the birds

In episode #3 of the new science show This Week in Evolution, Nels and Vincent examine another important driver of evolution: recombination. The results of two papers in which the process is studied in finches and in yeast lead to the unexpected conclusion that recombination evolves more slowly ... Read More

Fighting viruses - amazing new 21st century lab

Looking out of the window isn’t something most office workers would consider a luxury. But then, most people don’t work in a maximum security, biosafety level 4 high-containment research facility, working to protect the UK’s multi-billion pound agricultural industry from dangerous and highly inf... Read More

Colors of Superbug !

Methicillin Resistant Staphylococcus aureus (MRSA) isolated from animals. The organism was grown on seven different agar medium. On blood agar (Centre), it forms small to medium sized colonies surrounded by weak beta-hemolysis. It shows diverse types of color in different chromogenic medium- pin... Read More

TWiM 101 Letters

Eric writes:


Dear TWIMers,


I am a retired computer programmer and also a free market libertarian. I listened to a recent podcast where the subject of mandatory hand washing by food workers was tossed around. I would like to present a few more of the free marke... Read More

Scientists prove key aspect of evolutionary theory

Evolutionary theory predicts that pairs of chromosomes within asexual organisms will evolve independently of each other and become increasingly different over time in a phenomenon called the 'Meselson effect.' Researchers from the University of Glasgow have demonstrated the Meselson effect for t... Read More

Ancient clay remedy proves its antibacterial powers in the lab

Near Kisameet Bay on the central coast of British Columbia sits a deposit of clay that covers 5 acres and spans a depth up to 42 feet in places. This vast smear formed 10,000 years ago as glacial melt filled a granite basin and fine minerals silted out.

The ancient clay likely holds secrets t... Read More

Broad-spectrum antimicrobials: Considering ‘Holobiont’ welfare

The discovery of antibiotics (also referred to as antimicrobials) is perhaps the most revolutionary outcome in the medical sciences during the twentieth century, and has allowed medical practitioners to treat a wide range of bacterial infections; and therefore, antimicrobials are the most common... Read More

Microbiology, Cartoons, and Take Home Lessons!

In this blog post, I describe how I had students create their own cartoon depicting microbiological ideas and concepts that most tickled their fancy. I did this on their final exam, and the students came up with really interesting and entertaining ideas. IT's always interesting to see what stu... Read More
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