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Ebola Outbreak 2014 2015 by Dr. Fauci

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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 312: She sells B cells

The TWiVbolans discuss the finding that human noroviruses, major causes of gastroenteritis, can for the first time be propagated in B cell cultures, with the help of enteric bacteria.


Hosts:  Read More

Serpentine cording in Mycobacterium tuberculosus

Pictured is a culture of Mycobacterium tuberculosis growing colonies in the distinctive "serpentine cord" form seen in many strains of M. tuberculosis. These cords are made up of chains of cells that make chains due to a cell wall factor of MTB.

The cell wall structure of Mycobacterium is a m... 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

TWiM 97 Letters


Dennis writes:
hi Doc,


A paper just published in nature:


http://www.nature.com/nature/journal/vaop/ncurrent/pdf/nature14098.pdf


reports an effective antibiot... Read More

BacterioFiles 210 - Archaea Acquired Alternative Abilities

This episode: Genes taken from bacteria may have been important for the evolution of distinct groups of archaea!


(7.4 MB, 8 minutes)


Show notes: 
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
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

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

TWiP 83 letters


Robin writes:


Malaria: shaking chills & fever (followed by sweats, not specifically mentioned in this case), is a characteristic of malaria that is unforgettable once one has had it (I had malaria four times).


Thick blood smears is de rigueur.
So... Read More

IS LIFE WITH A DOG LIKE TAKING PROBIOTICS?

A new study will explore whether living with a dog encourages the growth of positive microorganisms in the human gut—enough to improve physical and mental health in older adults. Read More

TWiV 319: Breaking breakbone

The TWiVers review the outcomes of two recent phase 3 clinical trials of a quadrivalent dengue virus vaccine in Asia and Latin America.


Hosts: Vincent Racaniello Read More

TWiV 326: Giving HIV a flat tyr

Hosts: Vincent RacanielloAlan Dove, and  Read More

Microvores: A Chemical Romance

An illustrated short story of the day in the life of a mircrobe who is self aware. 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

Bacteria Used to Create Fossil Fuel Alternative

British and Finnish scientists have found a way of generating renewable propane using a bacterium widely found in the human intestine and say the finding is a step to commercial production of a fuel that could one day be an alternative to fossil fuel reserves.

"Although we have only produced ... Read More

TWiM 85 Letters

Tom writes:


Hi TWIM, TWIV and TWIP Argonauts,


Your three wonderful podcasts are the nutrient media for growing my scientific knowledge. I have been downloading them from ITunes for a couple of years, and although as a mere amateur I sometimes struggle to keep ... Read More

TWiM 98 Letters

 


Patrick writes:


Hi Vincent,


I thought you and the rest of the TWiM/TWiP folks would be interested in the following paper: Transferred interbacterial antagonism genes augment eukaryotic innate immune function, published online in Nature this week... Read More

BacterioFiles 214 - Cable-Chlorophyte Coop Conducts Current

This episode: Cable bacteria and algae set up electric grid in sediments!


(6 MB, 6.5 minutes)


Show notes: 
Journal Paper


Read More

Germany court orders measles sceptic to pay 100,000 euros

Just in case anyone had lingering doubts about the cause of measles, the German courts have ruled in favor of the evidence indicating that measles is caused by a virus (wasn't aware that was up for debate nowadays...). This ruling also includes that a man who stated he would give 100,000 euros ... Read More
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