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Early Earth was a hot, acidic home

During the last 4 billion years, ancient enzymes have adapted from a much hotter, more acidic environment to the cooler global one that exists today.
The enzymes, known as thioredoxin were chemically stable at temperatures up to 32 degrees Celsius (58 degrees Fahrenheit) higher than their moder... Read More

Nanofiber Spheres Carrying Cells Injected Into Wounds to Grow Tissue

For the first time, scientists have made star-shaped, biodegradable polymers that can self-assemble into hollow, nanofiber spheres, and when the spheres are injected with cells into wounds, these spheres biodegrade, but the cells live on to form new tissue.

Developing this nanofiber sphere as... Read More

PH Values Control Formic Acid Metabolism In Bacterium

Formate, the salt of formic acid, is an important product of metabolism in bacteria and in contrast to human metabolism a preliminary stage of the gas carbon dioxide, which is released in the combustion of sugar. Enterobacteriaceae, a large family of bacteria including the intestinal bacterium E... Read More

TGA Issues Precautionary Advice About Pneumococcal Disease Vaccine, Australia

Australia's medicines regulator, the Therapeutic Goods Administration, has today issued precautionary advice to doctors not to give patients a second dose of the vaccine Pneumovax 23 pending completion of an investigation into an increased rate of adverse events in people receiving the vaccine f... Read More

Landmark Agreement Improves Global Preparedness For Influenza Pandemics

After a week of negotiations continued through Friday night and into Saturday morning, an open-ended working-group meeting of Member States successfully agreed upon a framework to ensure that in a pandemic, influenza virus samples will be shared with partners who need the information to take ste... Read More

El Podcast del Microbio Nº 195. Vida en Atacama (Life in Atacama desert)



























El podcast del Microbio Nº195 summarize the article by Wierzchos et al published in Geobiology about the microorganisms tha... Read More

TWiV 129: We've got mail

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Hosts: Vincent Racaniello, Alan Dove, Read More

TWiV 129 Letters

Bryce writes:


I enjoyed your discussion of the Molecular Therapy paper in this week’s TWiV. My lab (and others) have worked on using virus particles as scaffolds to increase the immunogenicity of various targets for quite some time. One thing that wanted to point out ... Read More

El podcast del Microbio Nº194. Algas para limpiar un desastre (Algae for nuclear clean-up)



























El podcast del Microbio Nº194 is about the recent observation that the algae Closterium moniliferum could remove strontium... Read More

Maybe the virus just wanted up-close & personal w/ their favorite teams?

After all, one of the NBA's hallmarks these days is to create an experience by which "every fan" can enjoy the game - glad to see the Norovirus is getting in on the act . . . Read More

Bacteria, protozoa, and algae from a wild stream

Under a moderately-high magnification of 2500X, this digitally-colorized scanning electron micrograph (SEM) of an untreated water specimen extracted from a wild stream mainly used to control flooding during inclement weather, revealed the presence of unidentified organisms, which included bacter... Read More

Study examines new treatment for recurrent urinary tract infections

Urinary tract infections are common in women, costing an estimated $2.5 billion per year to treat in 2000 in the United States alone. These infections frequently recur, affecting 2 to 3 percent of all women. A depletion of vaginal lactobacilli, a type of bacteria, is associated with urinary trac... Read More

Duke Human Vaccine Institute Signs Research Agreement To Develop Pandemic Virus Vaccines

The Duke Human Vaccine Institute has announced a collaboration and strategic agreement with Novartis Vaccines and Diagnostics to enable the rapid development of a vaccine and accelerate preparedness in case of a pandemic virus threat such as pandemic influenza. The team, composed of Duke and Nov... Read More

Multi-Drug-Resistant Staph Found In Nearly 1 In 4 Samples Of Meat And Poultry: US Nationwide Study

Drug-resistant strains of Staphylococcus aureus, a bacteria linked to a wide range of human diseases, are present in meat and poultry from U.S. grocery stores at unexpectedly high rates, according to a nationwide study by the Translational Genomics Research Institute (TGen).

Nearly half of t... Read More

El Podcast del microbio Nº 193 Con un poco de azúcar (A spoonful of sugar)



























El podcast del Microbio Nº193 describes the mBio 2010 paper by Huang et al. about the use of β-Glucan Particles to stimulat... Read More

Filtering out pesticides with E. coli

Genetically modified bacteria could be used in air filters to extract pesticide vapors from polluted air thanks to work by researchers in China published this month in the International Journal of Environment and Pollution.

The bacteria Escherichia coli is perhaps best known as a bacterium t... Read More

Dietary yeast extracts tested as alternative to antibiotics in poultry

Microbiologist Gerry Huff with USDA's Agricultural Research Service (ARS) in Fayetteville, Ark., and her colleagues have been studying the effects of yeast extract as an immune stimulant and alternative to antibiotics in conventional turkeys. Non-pharmaceutical remedies and preventatives are par... Read More

Amerithrax double-take: Did the FBI finger the wrong person?

"It had been the most expensive, and arguably the toughest, case in FBI history ... but the facts showed that Army biodefense researcher Bruce Ivins was the person responsible for killing five people and sickening 17 others in those frightening weeks after 9/11. It was Ivins, they were now certa... Read More

Staphylococcus aureus bacteria, MRSA

Recently recognized outbreaks, or clusters of MRSA in community settings have been associated with strains that have some unique microbiologic and genetic properties, compared with the traditional hospital-based MRSA strains, which suggests some biologic properties, e.g., virulence factors like ... Read More

Challenges In Stemming The Spread Of Resistant Bacteria In Intensive Care

A new research study of the effect of a commonly used strategy to reduce the spread of antibiotic-resistant bacteria in hospital intensive care units (ICU) shows that the strategy had no significant effect. That's the surprising finding of a multisite study led by Mayo Clinic investigators. The ... Read More
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