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TWiV 123: Contaminated prostates, absolute truth, and bleached worms

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Hosts: Vincent Racaniello, Read More

TWiV 123 Letters

Sven writes:

Dear TWiV Captain and Officers,

I am a Swedish listener in my fifties, with a neolithic MSc in computer science and nowadays active within software quality (and yes, that's an oxymoron...). I found TWiV in September 2010 and I hav... Read More

Zapping Microbes With Electricity Could Cut Chemical Use in Wastewater by 50%

The mining industry requires significant amounts of water, and the water used becomes polluted with toxins including arsenic, mercury and sulfates. Typically, the water is cleaned with microbes which do their job by adding or removing electrons from the soup, but they need to be supplemented wit... Read More

Zooming in on the Weapons of Salmonella

Some of the most dreaded diseases in the world such as plague, typhoid and cholera are caused by bacteria that have one thing in common: they possess an infection apparatus which is a nearly unbeatable weapon. When attacking a cell of the body, they develop numerous hollow-needle-shaped structur... Read More

El Podcast del Microbio Nº 169. DNA Ligasa de Mycobacterium cristalizada. (Mycobacterial DNA Ligase crystalized)

El podcast del Microbio 169 resumes the recent Molecular Cell paper about the crystal structure of Mycobacterium tuberculo... Read More

NASA scientist finds evidence of alien life

Aliens exist, and we have proof.

That astonishingly awesome claim comes from Dr. Richard B. Hoover, an astrobiologist at NASA’s Marshall Space Flight Center, who says he has found conclusive evidence of alien life — fossils of bacteria found in an extremely rare class of meteorite called CI1 ... Read More

Edwin D. Kilbourne, scientist who developed flu vaccine, dies at 90

Edwin D. Kilbourne, 90, a virologist who figured out how to manufacture a new influenza vaccine each year and was a principal adviser to the U.S. government on flu, died Feb. 21 in Branford, Conn. No cause of death was reported.

Dr. Kilbourne, who spent most of his career as a medical researc... Read More

Buried microbes coax energy from rock

Here’s yet another reason to marvel at microbes: Buried deep within Earth at temperatures and pressures that would kill most living beings, bacteria and other tiny organisms not only survive but apparently even coax the rocks around them to produce food.

Researchers have found that the mere p... Read More

New study shows promise against typhoid-causing bacteria

Bacteria like salmonellae possess an infection apparatus which is a nearly unbeatable weapon. They usually infect their host cells by hollow-needle-shaped structures, which they create in large numbers during an attack.

Now, a group of Vienna-based scientists, headed by Thomas Marlovits, has ... Read More

El Podcast del Microbio Nº 168. Pinzones de Darwin Bacterianos (Bacterial Darwin's Finches)

El podcast del Microbio 168 resumes the PNAS paper by Coleman and Chisholm, about the adaptation of microbial species to th... Read More

Reviving 100-Year-Old Resting Spores of Diatoms

Diatoms account for a large proportion of the phytoplankton found in the water, and live both in the open sea and in freshwater lakes. By reviving 100-year-old spores that had laid buried and inactive in bottom sediment, researchers at the University of Gothenburg, Sweden, have shown that diatom... Read More

We're a nation of germophobes

A recent CNN article examining hotel room hygiene revealed some uncomfortable truths. From bacteria and dead skin cells infesting the mattress to improper cleaning practices, it was enough to make anybody think twice about getting too comfortable in a hotel. However, such concerns are often over... Read More

Gene used by bacteria to breach plant defences identified

Scientists have identified the gene used by some infectious bacteria to breach defensive natural products produced by plants.

Plants are able to protect themselves from most bacteria, but some bacteria are able to breach their defences.

"Microbes only become pathogens when they find a way ... Read More

El Podcast del Microbio Nº 167. La invención del microscopio. The invention of microscope

El podcast del Microbio 167 is dedicated to the invention of composed microscope. El Podcast del Microbio Nº 167 está dedic... Read More

Hazel Barton Talks About Cave Microorganisms (video)

Hazel Barton, Ph.D of Northern Kentucky University explains that microorganisms actually form the basis of nearly all the ecosystems that you will find in a cave. Read More

Fighting Disease: Researching the History and Biology of Vaccines (resource for teachers)

What is a vaccine, and why do we need them? How do vaccines work, and how were they developed? In this lesson, students gauge their previous knowledge about vaccines. They then explore the history and biology of vaccines and create educational posters on the nature of vaccines and public opinion... Read More

Testing Well Water for Microorganisms (video)

Leaking septic systems or manure from adjacent rural properties are the two most common sources of fecal contamination of a well. The University of Wisconsin Water Resources Institute is funding a new research project to refine a methodology to determine the source of well water contamination.
... Read More

New Method for Infectious Diseases Research

Infectious diseases researchers at Umeå University in Sweden are studying the surface properties of bacteria together with materials scientists. Studies of the outermost parts of the cell walls of bacteria yield new information about the chemical composition of structures that are important for ... Read More

How to Kill a Parasite (podcast)

Every villain has his Achilles heel. And microscopic scoundrels are no exception. The challenge for those who wish to ward off microbial bad guys is to identify that weak spot. Now, scientists studying the toxoplasmosis parasite think they’ve done just that. They share the secret in the Proceedi... Read More

New Findings on Drug Tolerance in TB Suggest Ideas for Shorter Cures

New findings on how tuberculosis (TB) bacteria develop multi-drug tolerance point to ways TB infections might be cured more quickly. The results identify both a mechanism and a potential therapy for drug tolerance that is induced in the TB bacteria by the host cells they infect.

The study wil... Read More
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