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Mundo de los Microbios - Episode 38




Pepitas de uva antibacterianas

¿Que te queda tras haber elaborado una remesa de vino? Bueno, en primer lugar tienes una gran cantidad de desechos, incluyendo montones d... Read More

'Good' Bacteria Keep Immune System Primed to Fight Future Infections

Scientists have long pondered the seeming contradiction that taking broad-spectrum antibiotics over a long period of time can lead to severe secondary bacterial infections. Now researchers from the University of Pennsylvania School of Medicine may have figured out why.

The investigators show ... Read More

ASM Biodefense and Emerging Diseases Research Meeting : Feb. 21-24, 2010, Baltimore, Md

The American Society for Microbiology (ASM) will host its 2010 Biodefense and Emerging Diseases Research Meeting February 21-24, 2010 at the Baltimore Marriott Waterfront Hotel in Baltimore, MD.

The purpose of this meeting is to bring together individuals who are carrying out research to defe... Read More

Follow-up study showing post-pandemic decline in hand sanitizer use, New Zealand

A study aimed to measure rates of hand sanitizer use in a hospital entrance foyer four months after a baseline study during New Zealand's influenza pandemic found that of the 743 people observed over one (summer) day in December 2009, 8.2% used the hand sanitizer, which was significantly lower (... Read More

Stopping bacterial infections with biochemical 'nanofactories' instead of antibiotics

New research at the A. James Clark School of Engineering could prevent bacterial infections using tiny biochemical machines – nanofactories – that can confuse bacteria and stop them from spreading, without the use of antibiotics.

...nanofactories can tell the difference between bad (pathogeni... Read More

Scientist: Alien life could already be on Earth

For the past 50 years, scientists have scoured the skies for radio signals from beyond our planet, hoping for some sign of extraterrestrial life. But one physicist says there's no reason alien life couldn't already be lurking among us — or maybe even in us.

Paul Davies, an award-winning Arizo... Read More

Creating Synthetic Bacteria From Existing Genomes Easier Than Building From The Ground Up

For years, scientists have attempted to construct new bacterial genomes from scratch, in the hope of genetically engineering a microbe that produces biofuels or drugs. Turns out, they've been doing it the hard way. A new study finds that editing existing genomes down to only the desired genes w... Read More

Gene therapy may improve Pompe disease symptom

The movie "Extraordinary Measures," now in wide release, tells the true story of John and Aileen Crowley, whose two youngest children were diagnosed with Pompe disease. The disease, a form of muscular dystrophy, causes severe muscle weakness and difficulty breathing. John Crowley quit his job an... Read More

"Sex Puppeteers" Force Sex Change, Virgin Birth in Bugs via Genes

Fast-spreading parasite species force sex changes on their victims, induce virgin births, and turn animals into "gross monsters"—among other horrors.

Now a new study has decoded how the bacteria may be able to wreak their havoc: by shutting down immune systems.

The parasites, of the Wolbac... Read More

Cruel blow now festers: Infections taking hold of survivors in Haiti’s squalor

Two weeks after a massive earthquake leveled much of this impoverished city, a wave of new infections and injuries has emerged, further taxing the nation’s shattered health care system.

Patients whose wounds were treated in the chaotic days following the quake are now returning with deep infe... Read More

Proof of swine flu's split personality is out

We've long been warned of swine flu's split personality: mild in most cases, but severe in a few. Now the figures are bearing this out.

The US Centers for Disease Control and Prevention reports that 282 people under 18 died in the H1N1 flu pandemic in the US, between its start in April 2009 a... Read More

A new way to think about the 5-second rule

Today is apparently Dropped Food Day, with two articles coming out about dropped food safety and ethics. This entry from the LA Times has a pretty funny flow chart for making a decision on whether to eat a dropped piece of food and it references a recent study into the actual biology of the 5-se... Read More

Parasites: ‘Tropical’ Diseases Are Common in Arctic Dwellers, a Survey Finds

The kind of worm and protozoan infections that are often called neglected “tropical” diseases are also common among aboriginal peoples living in the Arctic, according to a recent survey.

Outbreaks of trichinosis, a larval-worm disease commonly associated with eating undercooked pork and carn... Read More

UCF professor's vaccine could be lethal weapon against malaria, cholera

Mankind may finally have a weapon to fight two of the world's deadliest diseases.

A University of Central Florida biomedical researcher has developed what promises to be the first low-cost dual vaccine against malaria and cholera.

There is no FDA approved vaccine to prevent malaria, a mosq... Read More

The Three-Second Rule: How safe is it?

(Excerpted from MomLogic.com, a discussion site on parenting. The comments below the story provide an interesting insight into people's reaction to Dr. Tierno's advice)

Momlogic's Vivian: My kids have done it. Your kids have done it. A chocolate chip cookie or some other irresistible morsel o... Read More

A New Way to Look for Diseases’ Genetic Roots

The hunt for the genetic roots of common diseases has hit a blank wall.

The genetic variants found so far account in most cases for a small fraction of the genetic risk of the major killers. So where is the missing heritability and why has it not showed up?

A Duke geneticist now suggests ... Read More

Unwanted Guests: How Herpes Simplex Virus Gets Rid of the Cell's Security Guards

A viral infection is like an uninvited, tenacious houseguest in the cell, using a range of tricks to prevent its eviction. Researchers at the Salk Institute for Biological Studies have identified one of the key proteins allowing herpes simplex virus (HSV) DNA to fly under the radar of their host... Read More

Two-pronged immune response offers hope for effective Salmonella vaccine

Poster's note - with one of my favorite foods being recalled due to salmonella contamination (http://www.microbeworld.org/index.php?option=com_jlibrary&view=article&id=2567)) , this study is of great importance:

In developed countries, nontyphoidal Salmonella (NTS) strains are mainly food-bor... Read More

Tree Shrew Offers Small-Animal Model of Hepatitis C Virus Infection

Researchers from Japan suggest that the tree shrew may be a practical small-animal model for studying the progression of human hepatitis C virus (HCV) infection. This discovery would replace the need for rare and expensive studies using chimpanzees, currently the only validated animal model for ... Read More

AIDS and the challenges of aging

Cape Cod's older HIV patients — in their 60s and beyond — face a number of health and day-to-day-living problems unique to their age.

But at the same time, they're among the lucky few to have resilient genes in the face of the deadly virus.

Of the 250 HIV-positive clients of Cape Cod Healt... Read More

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