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Chromobacterium violaceum, Staphylococcus aureus

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum, Staphylococcus aureus
Agar: Blood Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature

Pictured is Chromobacterium violaceum and Staphylococcus aureus shaped in a valentin... Read More

TWiV 289: Vinny and the capsids

Vinny and the capsids answer listener questions about the definition of life, state vaccination laws, the basic science funding problem, viral ecology, inactivation of viruses by pressure, and much more.


Hosts:  Read More

TWiV 283: No Reston for the weary

Unable to embed Rapid1Pixelout audio player. Please double check that:  1)You have the latest version of Adobe Flash Player.  2)This web page does not have any fatal Javascript errors.  3)The audio-player.js file of Rapid1Pixelout has been included.

 Hosts: Vincent RacanielloAlan Dove Read More

Why a MERS Vaccine Won't Be Easy

Two years ago, the virus didn't even have a name. A year ago it had infected roughly 50 people, half of whom died. Now, Middle East Respiratory Syndrome has been confirmed in more than 600 people, and killed nearly 30 percent of its victims.

Originating on the Arabian Peninsula, MERS has been... Read More

TWiM 91 Letters



Jacob writes:
Hello hosts of TWiM and TWiV,
I'm sending this to both podcasts because I'm interested in hearing what all of you have to say (I figure that I'm going to catch Dickson on TWiV, but if not feel free to ask him on TWiP).


I saw this que... Read More

TWiV 288: ebircsnart esreveR

The Twivsters discuss how reverse transcriptase encoded in the human genome might produce DNA copies of RNA viruses in infected cells.


Hosts: Vincent Racaniello Read More

30,000 feet up, these bacteria aren't afraid of heights

From ocean floors to office desks, bacteria coat nearly every inch of the Earth. Scientists have recently discovered bacteria are present high above the Earth, as well. Ten kilometers up, to be exact, in a region of our atmosphere known as the upper troposphere. In a place where freezing tempera... Read More

Continuing Discussion on Gain of Function

Should scientific journals publish gain-of-function (GOF) studies, especially those involving pathogens with pandemic potential? While journal editors at the American Society for Microbiology have done so after careful consideration, some scientists expressed concern over that decision. A series... Read More

TWiM 77 Letters


Francois writes:


Hello Twim team,


After reading the Pasteur lecture.
It seems that the idea of using the Pseudomonas aer, "coal & septicemia" came from a demonstration that the "bactericidie" in the blood from animal with anthrax ("sang charbonne... Read More

Emergence of bacterial vortex explained

Bacteria in a drop of water spontaneously form a bi-directional vortex, with bacteria near the center of the drop swimming in the opposite direction of bacteria swimming near the edge. New computer simulations, confirmed by a novel experiment, explain how that vortex comes to be.

Click "sourc... Read More

TWiV 311: Bulldogs go viral

Vincent visits the University of Georgia where he speaks with Zhen Fu and Biao He about their work on rabies virus and paramyxoviruses.


 


Host: Vincent Racaniello. Guests:  Read More

Microbial Edu-Tainment Board Game In the News: Microvores: A Game of Parasites

Microvores: A Game of Parasites is a microbial themed educational strategy game that has been funded on Kickstarter.com and has made the main-stream news! Read More

Ocean microbes display remarkable genetic diversity in each drop of seawater

The smallest, most abundant marine microbe, Prochlorococcus, is a photosynthetic bacteria species essential to the marine ecosystem. An estimated billion billion billion of the single-cell creatures live in the oceans, forming the base of the marine food chain and occupying a range of ecological... Read More

Ebola 101: The Facts Behind A Frightening Virus

Health workers have called the Ebola outbreak in West Africa unprecedented, overwhelming and even out of control.

With 844 cases so far, it's the largest and deadliest outbreak since the virus was discovered in 1976. And it doesn't show signs of slowing down. On Tuesday, the World Health Orga... Read More

As MERS virus reaches U.S., public health system springs into action

The man arrived at the hospital with a fever and a bad cough. Relatives accompanied him through the doors, beneath the red neon sign reading "Emergency."

It looked like pneumonia, but when doctors at Community Hospital learned that the patient was a healthcare worker in Saudi Arabia, they beg... Read More

Pseudomonas aeruginosa with black extracellular pigment

Pseudomonas aeruginosa isolated from sputum into department of Microbiology - Riuniti Hospital Reggio Calabria .
This strain of Pseudomonas secretes brown/black extracellular pigment: pyomelanin.
Photo from D'Aleo Francesco archive. Read More

The Strange Connection Between Germs and Sherlock Holmes

Sherlock Holmes was as much a scientist as a detective. Maybe that’s because his creator, Arthur Conan Doyle, was influenced by a detective of science: Robert Koch, a German doctor who helped prove the existence of germs. In his new book, The Remedy, Thomas Goetz traces connections between the t... Read More

TWiP 77 letters

Andy writes:


Dear Professors,


I have been following TWIP for several years. I am a software engineer and parasitology is only an avocation. As an undergraduate in the early 80's I discovered my love of history of science and ecology, although I continued the p... Read More

TWiV 298: MV-NIS de myelo

The TWiV gang answers follow-up questions about the Ebola virus outbreak in West Africa, then discuss treatment of  disseminated multiple myeloma with oncolytic measles virus.


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
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