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El podcast del microbio Nº 103



























In the Nº 103 of the "El podcast del microbio" I resume the recent findings on carbon fixation by eukaryotic phytoplankton.
En "El podcast ... Read More

Novartis finds clues for universal E. coli vaccine

Scientists at Novartis have found bacterial components they hope can be used to develop a vaccine to protect people against a range of dangerous E. coli infections. Certain strains of the bacteria cause diseases such as food-borne illnesses, urine infections and meningitis among newborns... Read More

Researchers To Send Bacteria Into Orbit Aboard Space Shuttle Atlantis

A team of researchers from Rensselaer Polytechnic Institute will send an army of microorganisms into space this week, to investigate new ways of preventing the formation and spread of biofilms, or clusters of bacteria, that could pose a threat to the health of astronauts.

The Micro-2 experime... Read More

New Understanding of Dengue Fever Could Help With Vaccine

Some of the human immune system's defences against the virus that causes dengue fever actually help the virus to infect more cells, according to new research published May 6 in the journal Science.

The researchers behind this study have identified a set of antibodies, produced by the human im... Read More

US Food Safety System Needs to Integrate Human Health, Animal and Plant Pathogen Data, Experts Urge

The Produce Safety Project has issued a report that examines the steps taken by select European Union (EU) countries to reform their food safety data collection and analysis systems since the 1990s.

A key recommendation of the report is the annual publication of a unified cross‐agency report ... Read More

New study will investigate the effects of microgravity on the formation of biofilms

A team of researchers from Rensselaer Polytechnic Institute will send an army of microorganisms into space this week, to investigate new ways of preventing the formation and spread of biofilms, or clusters of bacteria, that could pose a threat to the health of astronauts.

The Micro-2 experime... Read More

Directing immune traffic - signposts to the lung

Inducing cellular immunity as a means to protect against influenza virus is the focus of several laboratories at the Trudeau Institute. Researchers have recently identified two important signaling components required by the immune system that might allow us to pre-position our own virus-fighting... Read More

Biowarfare on Afghanistan's Poppy Fields?

Some Afghan farmers are blaming British and American soldiers for spraying the crops with the disease. Officials have denied involvement.

Jean-Luc Lemahieu, head of the UN Office on Drugs and Crime in Afghanistan (UNODC), said that plant samples were currently being tested to confirm whether ... Read More

Fratricide between pneumococci and crystal structure of LytC

A collaboration of two spanish groups from CSIC had solved the 3D structure of LytC. The structure explains the peculiar role that this protein plays during a process known as pneumococcal fratricide. The structure has been published in the last issue of Nature Structural Molecular Biology.

Read More

Cell social network reveals rogue cancer switches

In certain social circles, it's not what you know, but who you know that counts. The same seems to be true of the gene switches that turn on cancer cells.

One way cells turn genes on and off is via small RNA molecules. In cancer, the usual pattern of microRNA production is disrupted. But as s... Read More

At Front Lines, AIDS War Is Falling Apart

On the grounds of Uganda’s biggest AIDS clinic, Dinavance Kamukama sits under a tree and weeps.

Her disease is probably quite advanced: her kidneys are failing and she is so weak she can barely walk. Leaving her young daughter with family, she rode a bus four hours to the hospital where her ... Read More

Biologists Link Gut Microbial Equilibrium to Inflammatory Bowel Disease

We are not alone -- even in our own bodies. The human gut is home to 100 trillion bacteria, which, for millions of years, have co-evolved along with our digestive and immune systems. Most people view bacteria as harmful pathogens that cause infections and disease. Other, more agreeable, microbes... Read More

Suppressing activity of common intestinal bacteria reduces tumor growth

A team of University of California, San Diego School of Medicine researchers has discovered that common intestinal bacteria appear to promote tumor growths in genetically susceptible mice, but that tumorigenesis can be suppressed if the mice are exposed to an inhibiting protein enzyme.

The re... Read More

21st Century Vaccines: Kill More Birds With Fewer Stones

Change is a-coming. Thats what Rino Rappouli (of Novartis Vaccines and Diagnostics in Siena, Italy) and Antonio Cassone (of the Department of Infectious, Parasitic and Immunomediated Diseases at the Istituto Superiore di Sanita Rome) argue in a new Perspectives piece accepted for the inaugural ... Read More

El podcast del Microbio Nº 102



























In the Nº 102 of the "El podcast del microbio" I discuss the panspermia theory and the results of the satellite Foton M3 experiment. En el p... Read More

Hospital infection risk revealed

Every year, thousands of people in Arizona contract an infection while being treated in a hospital.

The illness, which sometimes is fatal, may come from a doctor's unwashed hands, dirty hospital scrubs, unclean medical instruments or even bacteria found on the patient's skin.

But unlike in... Read More

Genes as fossils

When exactly did oxygen first appear in Earth’s atmosphere? Although many physical and chemical processes are thought to be responsible for that profound transformation, scientists have tried to answer at least part of that question by looking for the origin of oxygenic photosynthesis — the pro... Read More

Meningitis C vaccine 'wears off in early teens'

Three-quarters of children vaccinated against meningitis C lose their protection against the disease by their early teens, research suggests. The Oxford team which did the work says its findings fuel calls for a booster jab to be offered to adolescents. The study of 250 children aged six to 12, ... Read More

Inhalable Measles Vaccine Seen as Treatment Boon

Researchers say that a dry, inhalable vaccine developed for measles prevention may also help pave the way for the inexpensive treatment of a range of other illnesses.

More immediately, news of the vaccine should be especially welcomed by less-developed nations, where there is more limited acc... Read More

Biologists Discover an Extra Layer of Protection for Bacterial Spores

Bacterial spores, the most resistant organisms on earth, carry an extra coating of protection previously undetected, a team of microbiologists reports in the latest issue of the journal Current Biology. Their findings offer additional insight into why spores of the bacteria that cause botulism, ... Read More

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