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Getting Started with MicrobeWorld

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TWiV 416: Scattered seeds dormant

The multi-dimensional TWiV-brane brings you the entries in the haiku/limerick contest, and explain how a giant virus infects a host within another host (it has to do with predators!).


Hosts:  Read More

Are Viruses Alive?

Plenty of people have weighed in on the question, 'Are Viruses Alive?' Here is my answer - different from all the others. Read More

Assessing gram stain error rates

Because of its simplicity and the rapid time-to-result turnaround, gram staining plays an important role in clinical microbiology. Learning the cell structure helps eliminate potential disease etiologies: learning an isolate is a gram-negative rod doesn’t tell you what the diagnosis is, but it h... Read More

TWiV 429: Zika Experimental Science Team

Vincent meets with members of team ZEST at the University of Wisconsin Madison to discuss their macaque model for Zika virus pathogenesis.


Hosts: Vincent Racaniello Read More

Yeast fights viruses!

Humans have used Saccharomyces cerevisiae yeast in baking, brewing and winemaking for millennia. New research from the University of Idaho and the University of Colorado Boulder reveals another way that yeast species can help our species: by demonstrating how viruses interact with their hosts, a... Read More

TWiV Special: DA Henderson, smallpox eradicator

Donald “D.A.” Henderson, a physician, educator, and epidemiologist who led the World Health Organization’s campaign to eradicate smallpox, died at 87 years of age on Aug. 19, 2016. Vincent was fortunate to have the opportunity to speak with DA Henderson in 2014 about his career, the smallpox era... Read More

BacterioFiles 267 - Crust Color Cooks Communities

This episode: Cyanobacteria in biocrusts produce pigments that heat their surroundings up to 10 degrees hotter!


(7 MB, 7.6 minutes)


Show notes: 
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THE RIDDLE OF THE R.I.D.L _ Zika virus Comics (Playlist)

In Zanzare, the new comic from Cimaza (www.cimazacomics.com/), we are plunged head-first into the global mystery of the Zika virus. We meet the mosquitoes (in Italian: zanzare) implicated in its spread; but the insects plead their innocence, saying it's all a misunderstanding. They lay their cas... Read More

BOROBODUR Temple

This artwork is made from Escherechia coli in Mac Conkey Agar ( MCA ) and shows the other side of the biggest Buddhist temple in Indonesia and Southeast Asia built by the Syailendra dynasty called “Borobudur”, that included one of the wonders of the world from Indonesia.

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TWiV 404: Not found

From the twiVivants, follow up on FluMist and Zoster vaccines, Zika virus update, and isolation of a multicomponent animal virus from mosquitoes.


Hosts: Vincent Racaniello Read More

BacterioFiles 280 - Saccharomyces Smash Small Spaces

This episode: Microbes in tight spaces grow so much they can build up pressure and burst out!


(5.5 MB, 6 minutes)


Show notes: 


News... Read More

Dispatches from ASM Microbe - Sunday

We’ve had a whirlwind of amazing talks, poster sessions, and networking sessions so far at ASM Microbe 2016. In our previous two Dispatches from ASM Microbe, we’ve covered microbiomes, for which research ranges from extremely basic (Which microbes are present? How do we quantify them?) to clinic... Read More

BacterioFiles 289 - Prehistoric Paired Prokaryote Partners

This episode: Great apes' specific gut microbe communities have been with us for millions of years!


(9.1 MB, 10 minutes)


Show notes: 


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TWiM 141 Letters

Tom writes:


For the article letter about microbial batteries, I think CV refers to Capacitance times Voltage, which is stored charge. In electronics, current is abbreviated I not C.


The claim in the letter got me thinking about microbial batteries and I wrote ... Read More

A role for siderophores in Klebsiella pneumoniae pathogenesis

Despite increasing awareness of Klebsiella pneumoniae as a public health risk, there has been relatively little understood about its mechanisms of pathogenesis.

The bacterium, estimated to be the third most common cause of hospital-acquired infections in the United States in a recent study, c... Read More

CMV Is a Greater Threat to Infants Than Zika, but Far Less Often Discussed

The world has been galvanized by the Zika epidemic spreading through the Americas, which has left more than two thousand infants with severe brain damage. But for pregnant women and their infants in the United States, cytomegalovirus, or CMV, is the far greater viral threat.

Every year, 20,00... Read More

Magnetotactic bacteria remove and recover rare elements

While our human biochemical reactions are limited, our ingenuity is not, and scientists are able to exploit microbes for our benefit, such as in chemical spills. Using microbes to degrade or sequester toxic molecules is one form of bioremediation, and has many various applications. Famously, sci... Read More

A microbial mystery in the Namib Desert

The Namib Desert is different than other deserts: it has an unusual geographic feature that differentiates it from most others. This desert (map, right) is where you can find ‘fairy circles,’ or circular areas absent of growth in an already plant-scarce environment. These deadened circles are su... Read More

Study Shows How Bacteria Evolve in the Lungs of Cystic Fibrosis Patients

Washington, DC – May 24, 2016 – The bacterium Burkholderia multivorans evolves and adapts in bursts to survive in the lungs of cystic fibrosis patients, according to a study published this week in mSystems, an open access journal from the American Society for Microbiology. The work, believed to ... Read More

TWiM 140: Small town, big science

At the Hamilton, Montana Performing Arts Center, Vincent speaks with three local high school graduates and two high school teachers about how Rocky Mountain Laboratories influenced school science programs and opened up career opportunities.


Host:  Read More

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