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U-M study sheds light on the biological roots of post-traumatic stress disorder

University of Michigan researchers say they have identified what appears to be a crucial step in the chain of biological events leading to post-traumatic stress disorder.

Their findings support the idea that exposure to a traumatic event can trigger genetic changes that alter the body's immun... Read More

Single folks take note - scientists say there are plenty of options

And here I was worried about whether I would be able to have sushi, fishsticks, or eat at Long John Silver's in a few years. With 5,000 (or more) new species, if I'm willing to eat creatively & have plenty of wasabi/soy sauce on the side, I won't go hungry anytime soon. Buon appetite! Read More

Fly gut bacteria may help fight sleeping sickness

Scientists in France have discovered a new bacterial species in the gut of the fly that transmits African sleeping sickness. They say that the bacteria could be engineered to kill the parasite that causes the disease. According to researchers from IRD, the French Research Institute for Developme... Read More

In cancer treatment, Time is of the essence

It seems that cancer & I both resent the unnatural degree of control that clocks exert over our existences - though my resentment manifests as a relatively benign hatred of the alarm's keening wail every morning. Cancer's resentment creates a much more malignant problem, one that science can ho... Read More

War on drugs goes literal: biowarfare on poppies

US and British forces in Afghanistan have been accused of waging biological warfare on poppy fields to stymie opium crop production.

According to the Telegraph, yields have dropped by up to 90 per cent in some fields. Some Afghan farmers are blaming British and American soldiers for spraying ... Read More

How cancer cells lose their (circadian) rhythm

Immortality and uncontrolled cell division are the fundamental differences between cancer cells and normal cells.

A widely held explanation for these differences is that the biological clocks in cancer cells are damaged and can’t regulate cell division in the fashion that they do in normal ce... Read More

New Insights Into How Deadly Amphibian Disease Spreads and Kills

Scientists have unraveled the dynamics of a deadly disease that is wiping out amphibian populations across the globe. New findings, published in the Proceedings of the National Academy of Sciences, suggest that infection intensity -- the severity of the disease among individuals -- determines wh... Read More

Getting the Most Out of PCR

Learn about PCR and qPCR from world experts on the subject in this 6-part series brought to you over the web. Topics include the history of PCR from Carl Wittwer, an inventor of the LightCycler, discussions on the optimization and chemistry for PCR, and applications including methylation PCR and... Read More

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

Richard Roberts at BioVision Alexandria 2010: I give you the sequence and you give me the function!

I had the chance to attend the international conference "BioVision Alexandria 2010" held at the Bibliotheca Alexandrina Conference Center in Alexandria, Egypt. It was a great experience for me to attend >50 talks, given by Nobel laureates and other remarkable scientists specialized in health-rel... Read More

Understanding Microbial Life

The Ecology of Microbes. 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

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