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The Fungus That Killed Darwin’s Frog

In his second expedition to South America, Darwin discovered many new species of animals and plants. The field observations obtained throughout this 5-year expedition provided the intellectual framework for the maturation of his ideas on evolution. It also introduced the world to a tiny (2-3 cm ... Read More

Pentagon agency tries to stop drug-resistant bacteria

The rise of drug-resistant bacteria and other biological threats has pushed the Pentagon to seek help developing small molecules that can stop some of the world's most dangerous pathogens.

The Defense Threat Reduction Agency, which seeks ways to stop or limit the effects of weapons of mass de... Read More

59,000 generations of bacteria, plus freezer, yield startling results

After 26 years of workdays spent watching bacteria multiply, Richard Lenski has learned a thing or two.

He's learned that naturalist Charles Darwin was wrong about some things. For one, evolution doesn't always occur in steps so slow and steady that changes can't be observed.
Lenski also lea... Read More

TWiV 272: Give peas a chance



 Hosts: Vincent Racaniello, Dickson Despommier, Read More

BART rider with measles potentially exposed thousands in San Francisco

Public health officials issued a warning Thursday that thousands of Bay Area residents were potentially exposed to measles last week when a UC Berkeley student with the virus attended classes in Berkeley and rode on BART.

The student, a Contra Costa County resident whose name was not released... Read More

Sweet Valentine

Four intracellular Toxoplasma gondii parasites are shown undergoing cellular division by an internal budding process known as endodyogeny. Staining with a T. gondii surface antigen provided heart-shaped images (shot on Valentine’s Day). The definitive host of these parasites is the cat, but they... Read More

Test for Persistent Lyme Infection Using Live Ticks Shown Safe in Clinical Study

In a first-of-its-kind study for Lyme disease, researchers have used live, disease-free ticks to see if Lyme disease bacteria can be detected in people who continue to experience symptoms such as fatigue or arthritis after completing antibiotic therapy. The technique, called xenodiagnosis, attem... Read More

How bacteria communicate with us to build a special relationship

Communication is vital to any successful relationship. Researchers from the Institute of Food Research and the University of East Anglia have discovered how the beneficial bacteria in our guts communicate with our own cells.

This is a key step in understanding how our bodies maintain a close ... Read More

Categorising bacteria in purple and pink

When confronted with a new bacteria there are a series of simple tests that can be carried out to give a rough idea of the properties of the bacteria you are dealing with. One of the simplest and most useful tests is known as “Gram staining” which is a process of staining cells either purple or ... Read More

Laser tool speeds up detection of Salmonella in food products

Purdue University researchers have developed a laser sensor that can identify Salmonella bacteria grown from food samples about three times faster than conventional detection methods.

Known as BARDOT (pronounced bar-DOH'), the machine scans bacteria colonies and generates a distinct black and... Read More

Bacteria and hand washing Pragmatic to school children in rural Nepal

Hand washing is thought to be effective for the prevention of transmission of
Diarrhea pathogens. However it is not conclusive that hand washing with soap is more
Effective at reducing contamination with bacteria associated with diarrhea than using water only. Read More

A Bacterial Bioluminescent Valentine's Day

In this short post, I celebrate Valentine's Day with words of light---using bioluminescent bacteria! Read More

Rare bacteria outbreak in cancer clinic tied to lapse in infection control procedure

Improper handling of intravenous saline at a West Virginia outpatient oncology clinic was linked with the first reported outbreak of Tsukamurella spp., gram-positive bacteria that rarely cause disease in humans, in a new report from the Centers for Disease Control and Prevention (CDC). The repor... Read More

Two new weapons in the battle against bacteria

Proteases are vital proteins that serve for order within cells. They break apart other proteins, ensuring that these are properly synthesized and decomposed. Proteases are also responsible for the pathogenic effects of many kinds of bacteria. Now chemists at the Technische Universitaet Muenchen ... Read More

Cubist & Cambridge Science Festival Launch "Germ Challenge" Science Contest

LEXINGTON, Mass. & CAMBRIDGE, Mass.--(BUSINESS WIRE)--February 13, 2014--
Cambridge Science Festival and Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) today launched the 2014 "Germ Challenge," a contest designed to engage young people in science by inviting them to create educational and creativ... Read More

An Artist Dyes Clothes and Quilts With Tuberculosis and Staph Bacteria

Anna Dumitriu combines bacteria and textile design to explore our relationship with microorganisms.

Walk into Watermans, a theatre and arts exhibition space in West London, and you'll come across a series of intriguing installations: early 20th century medical artifacts, a dress colored with ... Read More

FIRST OBSERVATION OF A HUMAN HAT, KEY PROTEINS IN NUMEROUS PATHOLOGIES

The researcher Manuel Palacín, head of the Heterogenic and Multigenic Diseases lab at the Institute for Research in Biomedicine (IRB), in Barcelona, is among the world’s experts in HATs (heteromeric amino acid transporters).

In humans, there are eight HAT molecules. These are associated, for ... Read More

TWiM #72: The benefits of virulence

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Read More

TWiM 72 Letters

Jim writes:


Hello:


My name is Jim from Vancouver. I have no formal education in phraseology but am an enthusiastic follower of TWIP, TWIM & TWIV.


Recently I followed a program about yeast infections and the threat to public health they can pose. Read More

Finally, Clothing Designed to Stop the Spread of Germs on Public Transit

Of all the public transit etiquette violations out there, the sneeze-and-touch at the height of cold and flu season is among the worst. Everyone who rides in a city has seen it: that sickly looking person across the train or bus who sneezes into a free hand then grabs the pole we all share. Rese... Read More

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