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MWV Episode 94 - TWiM #99: Careers in Biodefense
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TWiM #99: Careers in Biodefense

Hosts: Vincent Racaniello


Guests: Maria Julia Marinissen, Read More

A short-short science fiction story about microbes...

From my microbiology-associated blog, where I discuss teaching and research in microbiology at a small liberal arts institution. Read More

BAC Down! Give bacteria the cold shoulder.

BAC Down! Give bacteria the cold shoulder. Keep your refrigerator at 40° F or below. Use a thermometer to monitor.

The bacterium Listeria monocyotogenes can grow at refrigerator temperatures. Pregnant women, young children and people with weakened immune systems are at greater risk of Listeri... Read More

BacterioFiles 162 - Desert Dwellers Densify Dunes

This episode: Spraying cyanobacteria could turn deserts into useful land!


(9.3 MB, 10.13 minutes)


Show notes: 
Ne... Read More

Protection against 2009 influenza H1N1 by immunization with 1918-like and classical swine viruses

Influenza A viruses typically cause severe respiratory disease mainly in the very young or the elderly. The 2009 swine-origin H1N1 virus is unusual because it preferentially infects individuals under 35 years of age. We’ve previously noted that being older is a good defense against 2009 H1N1 inf... Read More

BacterioFiles 179 - Functionless Phages Feel Fatiguing

 This episode: Defective phages in bacterial genomes can still have burdensome effects! Why do the bacteria keep them around?


(10.4 MB, 11.3 minutes)


Show notes: 
Read More

Electromicrobiology

An interesting presentation given by Yuri Gorby, an electromicrobiologist at the J. Craig Venter Institute in San Diego, at CalIT2 at UCSD on electronmicrobiology. Here's part of the description from SciVee.tv:

Respiratory microorganisms capture energy for growth and maintenance as they trans... Read More

TWiM #87: Avogadro, archaeal fossils, and ICAAC

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

TWiV 118: The virus always rings twice

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Hosts: Vincent Racaniello, Read More

TWiV 253: I don't know anything about sorghum

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Hosts: Vincent Racaniello, Dickson Despommier, Read More

Notable Bacteria



  • Bacillus anthracis causes anthrax, a deadly disease in cattle and a potential bioweapon against humans




  • .Brucella abortus causes breeding losses in livestock.




  • Cyanobacteria (formerly known as blue-green algae) live in water, where they prod... Read More

BacterioFiles Micro Edition 144 - Copper Chelator Calms Quicksilver

This episode: Bacteria could reduce mercury's toxicity in their environment!


(6.5 MB, 7 minutes)


Methanotrophs (bacteria that use methane for their carbon and energy) secrete siderophore-like compounds that are usually used to chelate copper and make it more bioavailable, but ... Read More

BacterioFiles 194 - Squirrel Sequence Stops Similar Sickness

This episode: Remnants of viral infection left behind in squirrels' genome may protect them from incoming viruses!


(9.3 MB, 10.1 minutes)


Show notes: 
Jou... Read More

Viruses of protozoan parasites may exacerbate human disease

Many protozoan parasites (Trichomonas, Leishmania, Giardia, Plasmodium, Entamoeba, Nagleria, Eimeria, Cryptosporidium) are infected with viruses. These viruses do not infect vertebrates, but their double-stranded RNA genomes are sensed by the innate immune system, leading to inflammatory complic... Read More

TWiP 82: A NOD to helminths

Vincent, Dickson, and Daniel solve last week's case study, present a new one, and reveal how secreted proteins from a helminth prevent diabetes in mice.


Hosts: Vincent Racaniello Read More

Glass microbes

I am always looking for microbe-themed art; I keep a list of my findings at Microbe Art. I’ve just discovered a new artist: Jane Hartman of Trilobite Glassworks. From her website: Trilobite Glassworks features stained glass and fused glass decorative as well as functional pieces all designed and... Read More

TWiV 230: Gene goes to Washington, flu chickens out

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Hosts: Vincent Racaniello, Rich Condit, Read More

TWiM 65 Letters

Alexandra writes:


Dear TWIM-ers,


When I began listening to TWIV almost a year ago, I had just switched majors from philosophy to biology. I am now writing to you good people at TWIM at the end of my first undergraduate summer research gig, where I have had qui... Read More

Lab Stuff I Wish I Could Use In My Kitchen

Do you ever take a look at what you’re doing in the lab and think, “Wow, this would really come in handy at home?” Here are a few of the things I use in the lab that I would love to have in my kitchen:

1. Stir plates and stir bars would be incredibly useful for cooking those dishes that need ... Read More

PolygenicBlog: Bugs and genes

This is a blog that tries to address the relationships between genes and environmental risk factors , particularly viruses, bacteria and parasites, in some common diseases, including Alzheimer's disease, Bipolar disorder, multiple sclerosis, Schizophrenia and Parkinson's disease and also provide... Read More
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