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BacterioFiles 224 - Super Small Cells

This episode: Scientists discover what seem to be ultra-small bacteria, possibly smaller than the theoretical minimum size!


(12.3 MB, 13.4 minutes)


Show notes: 
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TWiM #113: Waves of Change

Host: Vincent Racaniello


Special guests: Romney Humphries and Read More

BacterioFiles 221 - Co-culture Close Contact, Cats, and Cockerels

This episode: More distantly related bacteria can help each other grow (and produce lots of hydrogen) by temporarily fusing with each other!


(12.7 MB, 13.9 minutes)


Show notes: 
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TWiM #117: Finding the comammox

Hosts: Vincent RacanielloMichael Schmidt, Read More

MWV 98 - TWiM #113 Waves of Change


Vincent meets up with Romney Humphries and Duncan MacCannell at the 79th annual meeting of the Southern California branch of the American Society f... Read More

TWiP 96: Salivary pharmacopeia

The TWiPanosomes solve the case about the Young Woman who Went to Belize, and relate how sandfly saliva skews the immune response and increases risk of cutaneous leishmaniasis.


Hosts:  Read More

BacterioFiles 234 - Phone, Floor Phylum Forensics

This episode: Learning things about people's identity and movements from microbial communities on their phones and shoes!


(5.4 MB, 5.8 minutes)


Show notes: 
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Yeast go viral #agarart2015

Unlike human viruses that cause disease, yeast viruses do not cause any obvious illness in yeast. On the contrary, some viruses of yeast are beneficial and produce toxins that kill off competing yeast, allowing their host to thrive. We often think of viruses as agents of death and disease, but... Read More

TWiP 95: Arsenic and Leishmania

Vincent, Dickson, and Daniel solve the case about the 33 year old Chinese male with watery diarrhea, and discuss whether arsenic in drinking water might lead to treatment failures for Leishmania infections.


Hosts:  Read More

BacterioFiles 230 - Plant Prokaryotes Promote Protein Production

This episode: Bacteria in and around plants can help fertilizer them, even in non-legume plants!


(11.1 MB, 12.15 minutes)


Show notes: 
News... Read More

BacterioFiles 231 - Creating Cancer-Killing Cultures

This episode: Engineering Salmonella strains that kill cancer cells but leave healthy ones alone!


(7.9 MB, 8.5 minutes)


Show notes: 
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TWiP 98: Resistance is not futile

The TWiP-lets reveal Balamuthia infection in the Children from Peru, and discuss resistance to pyrethroids uncovered by RNA sequencing of Anopheles mosquitoes.


Hosts:  Read More

MWV 97 - TWiV #352 Science Art with Michele Banks

Video version of This Week in Microbiology episode 352. Show host Vincent Racaniello goes to Washington, D.C., to visit artist Michele Banks and discusses science-themed art, science communication and her career path as an artist. 


Host:  Read More

BacterioFiles 223 - Fecal Fusions Forecast Fatness

This episode: Sampling microbial populations in sewage from cities could reveal differences in the human populations, such as prevalence of obesity!


(9.1 MB, 9.9 minutes)


Show notes: 
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This is how I commit to Microbial Supremacy!

It's true that I adore microbiology, and I am lucky to teach it each year to my micronauts. So it was time to commit. Here is my second "Microbial Supremacy" tattoo! The artwork is by Peggy Muddles (http://www.redbubble.com/people/thevexedmuddler/works/15659350-microbial-badass-tattoo-full-co... Read More

BacterioFiles 229 - Spore-formers Stimulate Serotonin

This episode: Bacteria in mouse guts control the production of serotonin, an important neurotransmitter!


(10.4 MB, 11.3 minutes)


Show notes: 
Ne... Read More

BacterioFiles 228 - Bacteria Beat Bat Blight

This episode: Bacteria isolated from bats' skin inhibits the growth of bat-killing fungus!


(7 MB, 7.6 minutes)


Show notes: 
News item/<... Read More

BacterioFiles 232 - Exploring Enzymes' Element Effects

This episode: Bacteria can convert soluble uranium to an insoluble form, and distinguish between different isotopes!


(8.2 MB, 8.9 minutes)


Show notes: 
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BacterioFiles 220 - Coliforms Cooperate by Conduit

This episode: Bacteria can connect to each other with tiny tubes to exchange nutrients!


(10 MB, 10.9 minutes)


Show notes: 
News item/ Read More

TWiP 93 letters

Sandra writes:


Daniel: I was fascinated by your answer to the case from TWIP 91 - the life cycle of the southeast Asian worm (I won't even try to spell it.) Re early symptom coughing & wheezing: if the ED did a chest X-ray out of concern about the lungs, would the... Read More

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