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Sulphur-eating bacteria limit acid run-off and CO2

Using two beamlines at the Canadian Light Source (CLS) and a third at the Advanced Light Source (ALS), researchers from McMaster University have found that two species of bacteria isolated from a mine tailings pond in northern Ontario actually work together to limit the amount of acid produced b... Read More

Latinos and blacks in California more likely to die of H1N1 than whites

California Latinos have been nearly twice as likely as whites to die of H1N1 flu since the pandemic began last spring, according to statewide figures released this morning by the California Department of Public Health.

Over the same months, blacks in the state have been 50% more likely to die... Read More

Drug-resistant HIV set to surge

HIV is striking back against the antiretroviral drugs that keep it largely in check in rich countries, thanks both to its exposure to the major drugs and to individuals who don't realise they're infected and so spread resistant strains to new partners.

Drug-resistant strains of HIV have alrea... Read More

Scientists hope to end sleeping sickness by making parasite that causes it to self-destruct

New data offer an up-close look at the enzyme that protects the protozoa and how one compound obstructs those efforts.

After many years of study, a team of researchers is releasing data today that it hopes will lead to new drug therapies that will kill the family of parasites that causes ... Read More

The effects of circumcision on the penis microbiome.

Circumcision is associated with significant reductions in HIV, HSV-2 and HPV infections among men and significant reductions in bacterial vaginosis among their female partners.

METHODOLOGY/PRINCIPAL FINDINGS: We assessed the penile (coronal sulci) microbiota in 12 HIV-negative Ugandan men bef... Read More

Making microscopic worms into a more deadly insecticide

Microscopic nematode worms can be a potent organic insecticide, killing crop-raiding bugs without harming plants or beneficial insects and without environmental side effects of chemical. The problem is that when the worms are mass-bred for agricultural purposes, they tend to, as Byron Adams says... Read More

Rising obesity prompts higher antibiotic doses call

The standard "one-size fits all" dose may not clear infection in larger adults and increases the risk that resistance will develop, they argue.

More work is needed to guide GPs on how and when to alter doses, an editorial in The Lancet to accompany the study by doctors from Greece and the US ... Read More

Paradigm-Changing Mechanism is Revealed for the Control of Gene Expression in Bacteria

A new study led by researchers at NYU Langone Medical Center is shedding new light on the action of Rho, a key regulatory protein in E. coli and many other bacteria. The study, published in the Jan. 14, 2010 issue of Nature, reveals a new paradigm to understand the molecular principles of gene t... Read More

WHO official denies exaggeration about dangers of swine flu pandemic

A top World Health Organization official dismissed charges Thursday that the agency exaggerated the threat posed by the H1N1 virus and that it had been unduly influenced by the pharmaceutical industry to issue dire warnings about the swine flu pandemic.

"The world is going through a real pand... Read More

Sequencing Wasp Genome Sheds New Light on Sexual Parasite

About 100 million years ago, the bacterium Wolbachia came up with a trick that has made it one of the most successful parasites in the animal kingdom: It evolved the ability to manipulate the sex lives of its hosts.

"When it developed this capability, Wolbachia spread rapidly among the world'... Read More

New UT Knoxville research finds new ways to understand bacteria's 'thinking'

It's not thinking in the way humans, dogs or even birds think, but new findings from researchers at the University of Tennessee, Knoxville, show that bacteria are more capable of complex decision-making than previously known.

The discovery sets a landmark in research to understand the way bac... Read More

UK Team Develops Genetic Map for Plant Used In Malaria Treatment

Researchers from the University of York reported in Science online today that they have created the first genetic map for the medicinal herb Artemisia annua, which contains an extract called artemisinin that's used to help treat some forms of malaria.

Through deep sequencing of a hybrid plant... Read More

New FDA deputy to lead food-safety mandate

A year ago, Michael Taylor was sitting in his office at George Washington University, considering a basic mission of the federal government: making sure food is safe. He'd devoted his career to food safety, working in and out of government, and he was finally in academia where he could think dee... Read More

Mundo de los Microbios - Episodio 36

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Control de infecciones


Existe una infección hospitalaria muy frecuente, que origina unas lesiones muy persistentes en la piel, que incluso a veces pueden evolucion... Read More

Secretary Chu Announces Nearly $80 Million Investment for Advanced Biofuels Research and Fueling Infrastructure

U.S. Department of Energy Secretary Steven Chu today announced the investment of nearly $80 million under the American Recovery and Reinvestment Act for advanced biofuels research and fueling infrastructure that will help support the development of a clean sustainable transportation sector. The ... Read More

The ABCs of biological warfare and terror agents

Biological warfare and bioterrorism are as old as fourth-century BCE Scythian fighters wiping their arrows on decomposing bodies before shooting them at their enemies and as new as ricin toxin delivered to a US Senate mailroom in 2004. They consist of using viruses, bacteria, fungi and other tox... Read More

Biologists Wake Dormant Viruses and Uncover Mechanism for Survival

It is known that viral "squatters" comprise nearly half of our genetic code. These genomic invaders inserted their DNA into our own millions of years ago when they infected our ancestors. But just how we keep them quiet and prevent them from attack was more of a mystery until EPFL researchers re... Read More

National Salmonella Outbreak Linked to African Dwarf Frogs from One Breeder

One California pet frog breeder may be the source of a nationwide salmonella poisoning outbreak that has lasted for eight months.

Cases of salmonella that have sickened people throughout the United States have been liked to African dwarf frogs from one breeder. The pet frogs were subsequently... Read More

Polar bear poo helps in superbug hunt

Bacteria such as methicillin-resistant staphylococcus aureus (MRSA) are a growing problem in hospitals and researchers are anxious to understand how they evolve.

Norwegian researchers said they had found little sign of such microbes in the feces of polar bears in the remote Arctic, suggesting... Read More

Sample of Nestlé Cookie Dough Has E. Coli Bacteria

Nestlé USA said Wednesday that two samples of its Toll House refrigerated cookie dough made at a Virginia factory tested positive for E. coli bacteria this week despite rigorous safety measures put in place after a recall of the product last summer.

Nestlé also said the tainted dough had not ... Read More

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