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Mundo de los Microbios - Episodio 107 - Delfina Urbina

Uno de los patógenos más importantes en América Latina y seguramente el mundo entero, el rotavirus, es discutido en este episodio de La Radio El Mundo de los Microbios. La Prof. Delfina Urbina, con una larga trayectoria en diferentes áreas de la Microbiología nos visita hoy. Fué Profesora Tit... Read More

Pithovirus: Bigger than Pandoravirus with a smaller genome

A new virus called Pithovirus sibericum has been isolated from 30,000 year old Siberian permafrost. It is the oldest DNA virus of eukaryotes ever isolated, showing that viruses can retain infectivity in nature for very long periods of time. Read More

Giant virus resurrected from 30,000-year-old ice

In what seems like a plot straight out of a low-budget science-fiction film, scientists have revived a giant virus that was buried in Siberian ice for 30,000 years — and it is still infectious. Its targets, fortunately, are amoebae, but the researchers suggest that as Earth's ice melts, this cou... Read More

BacterioFiles Micro Edition 157 - Azotobacter Assists Algae

This episode: Nitrogen-fixing bacteria could provide nitrogen to algae in biotech processes!


(7.4 MB, 8 minutes)


Show notes: 
Journal... Read More

Disease-causing bacterial invaders aided by failure of immune system switch

Immune system defenses against dangerous bacteria in the gut can be breached by turning off a single molecular switch that governs production of the protective mucus lining our intestinal walls, according to a study led by researchers at Yale, the University of British Columbia, and the Weizmann... Read More

In first moments of infection, a division and a decision

Using technologies and computational modeling that trace the destiny of single cells, researchers describe for the first time the earliest stages of fate determination among white blood cells called T lymphocytes, providing new insights that may help drug developers create more effective, longer... Read More

Study of Antibody Evolution Charts Course toward HIV Vaccine (press release)

In an advance for HIV vaccine research, a scientific team has discovered how the immune system makes a powerful antibody that blocks HIV infection of cells by targeting a site on the virus called V1V2. Many researchers believe that if a vaccine could elicit potent antibodies to a specific conse... Read More

A Mouthful Of Microbes

After watching Hollywood movies of medieval knights with neat haircuts and bright smiles, it may shock you to be reminded that our dear medieval cousins looked anything but clean. The truth is that hygiene was not a top priority in the Middle Ages and germs were in heaven. This was a time in whi... Read More

Thanks to Climate Change, West Nile Virus Could Be Your New Neighbor

Invasive species aren’t just species—they can also be pathogens. Such is the case with the West Nile virus. A mosquito-borne virus identified in the West Nile subregion in Uganda in 1937—hence the name—West Nile wasn’t much of a concern to people elsewhere until it broke out of Africa in 1999. T... Read More

TWiV 274: Data dump



Hosts: Vincent Racaniello, Dickson Despommier, Read More

A Newly Discovered Microbe Could Accelerate Global Warming

Teaming beneath Sweden's thawing permafrost is a previously undiscovered microbe known as methanongen (Candidatus Methanoflorens Stordalenmirensis). As its name suggests, the microbe does one thing really well: release methane into the atmosphere, presenting a feedback loop of gas production tha... Read More

Flu Killing More Young Adults This Year, CDC Says

Influenza is killing more young and middle-aged adults this year than usual, in part because they’re less likely to be vaccinated, federal health officials said Thursday.

More than 60 percent of those killed or put into the hospital by flu so far this season have been aged 18 to 64, the Cente... Read More

Microbe ‘tomb’ on teeth reveals medieval microbiome

Scientists have discovered a “microbial Pompeii” preserved on the teeth of skeletons around 1,000 years old.

The key to the discovery is the dental calculus, or “plaque,” which preserves bacteria and microscopic particles of food on the surfaces of teeth, effectively creating a mineral tomb f... Read More

MWV Episode 84 - Cultures Magazine Launch Event

Watch highlights from the Cultures Magazine Launch Event held on January 23, 2014 at American Society for Microbiology headquarters in Washington, D.C.  


Cultures is a free, online, open-source publication available for viewing at www.asm.org... Read More

A Simple Tree Branch Can Become a Backyard Water Filter

For people in too many developing countries, clean water is often a luxury. Chlorine treatments are too expensive for small villages, boiling requires a hefty investment in fuel, and UV radiation demands regular high-tech maintenance. But now, scientists say that a simple, inexpensive water filt... Read More

Light zaps viruses: How photosensitization can stop viruses from infecting cells

A UCLA-led team of researchers has found evidence that photosensitizing a virus's membrane covering can inhibit its ability to enter cells and potentially lead to the development of stronger, cheaper medications to fight a host of tough viruses.

The UCLA AIDS Institute study, published in th... Read More

Brisbane’s drinking water linked to infections

Brisbane's water supply has been found to contain disease carrying bugs which can be directly linked to infections in some patients, according to a new study by QUT.

Dr Rachel Thomson, who has completed her PhD through QUT's Faculty of Health, said certain species of nontuberculous mycobacter... Read More

TWiM #73: Eyeing root nodule development

Hosts: Vincent RacanielloMichael Schmidt and Michelle Swanson Read More

TWiM 73 Letters

Mark writes:


Hello Team TWiM,


I’ve followed with interest your coverage of Michael’s research into use of copper to fight hospital infection. Of all the interesting papers covered in 2013, I think the one most actionable is episode 55, The Copper Room. His res... Read More

Knitted bacterium tour Glasgow to drum up more woolly bugs for world record bid

Glasgow’s army of knitters are being asked to craft a friend for the bug, who has been snapped throughout the city looking for other microbes to play with. The smiling bacteria has been pictured on Buchanan Street, by the Science Centre and outside Central Station. The microbe is part of a world... Read More

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