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BacterioFiles 212 - Ghosts Get Good Guarding

This episode: Bacterial ghosts could make good vaccines for different things!

(9.8 MB, 10.7 minutes)

Show notes: 
Journal Paper

Read More

Why do we still use Sabin poliovirus vaccine?

The Sabin infectious, attenuated poliovirus vaccines are known to cause vaccine-associated paralysis in a small number of recipients. In contrast, the Salk inactivated vaccine does not cause poliomyelitis. Why are the Sabin vaccines still used globally? The answer to this question requires a bri... Read More

Honoring the Memory of Another

The late Edward Leadbetter had a huge impact on my life as an academic, and a microbiologist. In this post, I try to give some appreciation to what he meant to me. Read More

TWiP 95 letters

Ruben writes:

Dear Day-Twippers,

I am a big fan of TWIP. You do so many things right, that a little problem in your TWiP94 broadcast is not a big deal. As you may already know all three drugs in the Nutman et al. study are small molecules, not monoclonals, the... Read More

TWiV 307: Ebola aetiology

Tara Smith joins the TWiEBOVsters to discuss the Ebola virus outbreak in west Africa, spread of the disease to and within the US, transmission of the virus, and much more.

Hosts: Vincent Racaniello Read More

Freshman Symbiosis Course and Jack Gilbert!

As my Fall semester approaches, I am reflecting on last Fall. I taught a freshman seminar course revolving around symbioses and parasitism, and was fortunate to have many well known scientists be willing to "virtually visit" my class! Here is my report from last year on the great Jack Gilbert.... Read More

TWiP 81 letters

Allan writes:

Dear Vincent & Dickson… and Daniel,

I always enjoy listening to TWIP here in Kona, Hawaii.

Our weather today is 79ºF and clear but we have just experienced a record 25-year overnight low of 54ºF,
(FREEZING, as few of us hav... Read More

BacterioFiles Special - ASM2015

Here's my summary of ASM2015, an exciting weekend full of science.

(11.5 MB, 12.5 minutes)

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Download Episode<... Read More

TWiV 356: Got viruses?

Hosts: Vincent RacanielloDickson DespommierAlan Dove Read More

TWiP 85 letters


Jan writes:

Dear Sirs

This is fun, and although I'm sure someone will gripe about Dicksons enthusiastic response to the crayfish, it made my life easier. I think it's Paragonimus kellicoti. As for eating raw crayfish; how drunk... Read More

A Green Thumb for Ocean Microbes

MIT-WHOI Graduate student Kristen Hunter-Cevera describes the challenges and obstacles involved with growing marine microbes (in her case, Synechococcus) in a laboratory setting, and outlines the value of her research in understanding marine biogeochemistry. Read More

Transgenic pigs resistant to foot-and-mouth disease

Foot-and-mouth disease virus (FMDV) infects cloven-hoofed animals such as cattle, pigs, sheep, goats, and many wild species. The disease caused by this virus is a substantial problem for farmers because infected animals cannot be sold. Transgenic pigs have now been produced which express a short... Read More

Permissive vaccines and viral virulence

A permissive vaccine prevents disease in the immunized host, but does not block virus infection. Would a permissive vaccine lead to the emergence of more virulent viruses?

This hypothesis is based on the notion that viruses which kill their hosts too quickly are not efficiently transmitted, a... 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

TWiV 320: Retroviruses and cranberries

Vincent speaks with John Coffin about his career studying retroviruses, including working with Howard Temin, endogenous retroviruses, XMRV, chronic fatigue syndrome and prostate cancer, HIV/AIDS, and his interest in growing cranberries.

Host:  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

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

TWiV 306: This Week in Ebolavirus


The Grand Masters of the TWiV discuss Ebola virus transmission, air travel from West Africa, Ebola virus infectivity on surfaces, the Dallas Ebola virus patient, and Ebola virus in dogs.

Hosts:  Read More

My first "Mu-Tube" video promoting microbial literacy: What does "microbiology" mean to students?

For my Microbiology course at the University of Puget Sound, I decided to ask my new crop of "micronauts" what the word "microbiology" meant to them on the first day of class. Here are their answers. My wife Jennifer Quinn and I put this together using art from former students. Hopefully, thi... Read More
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