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Ebola Outbreak 2014 2015 by Dr. Fauci

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Ebola In The Air: What Science Says About How The Virus Spreads

Here's an Ebola puzzle for you: If the virus isn't airborne, why do doctors and nurses need to wear full protective suits, with face masks, while treating patients?

After we dug through studies and talked to scientists, the answer slowly emerged.

Ebola does spread through the air. But not ... Read More

TWiV 314: Einstein goes viral

Vincent travels to Albert Einstein College of Medicine where he speaks with Kartik, Ganjam, and Margaret about their work on Ebolavirus entry, a tumor suppressor that binds the HIV-1 integrase, and the entry of togaviruses and flaviviruses into cells.


Host:  Read More

TWiP 79 letters


Jesse writes:


Doctors TWiP,


I came across this paper and thought it sounded interesting for a discussion on TWiP:


Colonisation resistance in the sand fly gut: Leishmania protects Lutzomyia longipalpis from bacterial infection
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How the Body’s Cells Hold on Tight

When I was nine, biology gave me my first existential crisis. If I am built out of trillions of tiny cells, I worried, what’s to keep me from crumbling into a pile like a dried-out sandcastle? Almost two decades later, as a Ph.D. student in mathematics at the University of California, Davis, I’m... Read More

The truth behind the '5-Second Rule': When in doubt, throw it out

The burger patty that slides off the plate, the ice cream treat that plops on the picnic table, the hot dog that rolls off the grill – conventional wisdom has it that you have five seconds to pick it up before it is contaminated.

Fact or folklore?

“A dropped item is immediately contaminate... Read More

Human Sweat's Filthy Attributes Stop Bacteria-Fighting Brass

Human sweat is actually much dirtier and bacteria-filled than we initially thought. Scientists have found that sweaty hands can reduce the effect that brass objects have of fighting bacteria. Brass objects can be found in hospitals and schools and sweat can fight off its abilities just an hour a... Read More

TWiV 303: Borna this way

The TWiV team discusses transmission of Ebola virus, and inhibition of Borna disease virus replication by viral DNA in the ground squirrel genome.


Hosts: Vincent Racaniello Read More

Diet Affects Men’s and Women’s Gut Microbes Differently

The microbes living in the guts of males and females react differently to diet, even when the diets are identical, according to a study by scientists from The University of Texas at Austin and six other institutions published this week in the journal Nature Communications. These results suggest ... Read More

Soil microbiomes can set plant flowering time

Scientists grew Boechera stricta plants in soil inoculated with microbes from natural B. stricta habitats to study the flowering time phenotype.

The technique researchers employed to isolate soil microbes to study their effect on a single plant phenotype can potentially be applied to other st... Read More

Lipid Agar

Lipid Plate/Tributyrin Agar used to test for an organisms ability to produce the exoenzyme lipase which breaks down the lipids in the agar creating a clear zone around the organism. (A) Serratia marcesens, lipid hydrolysis, indicated by a zone of clearing around the growing colony, as well as th... Read More

Antibiotics in Blood Can Make Malaria Mosquitoes Mightier

It's well known that antibiotics can disrupt our gut bacteria. But when mosquitoes snack on blood laced with antibiotics, the same can happen to their microbiome. And that depletion of gut bacteria actually increases mosquitoes' susceptibility to the malaria parasite. Meaning they may be more li... Read More

The Ebola Outbreak: 'A Dress Rehearsal For The Next Big One'

Until this year, the world had recorded 1,640 deaths from Ebola since the virus was discovered in 1976.

Then Ebola appeared in West Africa.

So far this year, 887 people have died of Ebola in West Africa, the World Health Organization said Monday.

To put that into perspective, more than ... Read More

This algae farm eats highway pollution

Plant-like microorganisms called algae are pretty interesting little creatures - some species form expansive 'algal blooms' that harm the environment, whereas others can be used to produce biofuel and food sources. Some can even infect humans and mess with their brains.

This diverse organism ... Read More

TWiV 299: Rocky Mountain virology

Vincent visits the Rocky Mountain Laboratories in Hamilton, Montana and speaks with Marshall, Sonja, and Byron about their work on tick-born flaviviruses, innate immunity, and prion diseases.


Host: Vincent ... Read More

Slime producing Staphylococcus epidermidis on Congo Red agar

Slime production by Staphylococcus epidermidis on Congo Red agar; demonstrated by black colored colonies. Slime production is one of the most important virulence factors produced by Coagulase negative Staphylococci.

The colonies of slime non-producing strains remain pink to red.
Read More

Researchers map gene differences in yellow fever, malaria mosquitoes, to help prevent disease

Virginia Tech entomologists have developed a chromosome map for about half of the genome of the mosquito Aedes agypti, the major carrier of dengue fever and yellow fever.

With the map, researchers can compare the chromosome organization and evolution between this mosquito and the major carri... Read More

TWiP 84: Bigfoot

Vincent, Dickson, and Daniel consider the delivery of anti-trypanosome nanobodies to the tsetse fly via a bacterial symbiont, and present a new case study.


Hosts: Vincent Racaniello Read More

Healthy Lung Microbes Keep Mice Breathing Easy

Like humans, mice start life with sterile lungs that soon get colonized by microbes, which appear to protect the lung tissue from an asthma-like reaction in the presence of dust mites.

Human cells are outnumbered ten-to-one by the microbes that thrive in and on us. Now a study finds that the ... Read More

TWiV 300: So happy together

Recording together for the first time, the TWiV team celebrates their 300th recording at the American Society for Microbiology headquarters in Washington, DC, where Vincent  speaks with Dickson, Alan, Rich, and Kathy about their careers in science.


Hosts:  Read More

Rising star uses paper to tackle food-borne diseases

A University of Alberta researcher’s star is rising thanks to her idea to detect deadly pathogens such as E. coli using a paper device only slightly larger than a postage stamp.

Frédérique Deiss, a post-doctoral fellow in the Faculty of Science, is working on ways to help detect food- and wat... Read More
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