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Pictured is a plant structure called a trichome that was found in a felines' urine sediment collected by cystocentesis. It is surrounded by many cocci and debris. The picture was taken with a smartphone at 400x magnification with no staining. Read More

Spiraled microbe

Photograph of 400X magnified image of biogas digestor sample. A strange spiraled type microbe seen (probably like left handed DNA helix). The microbe is shown with an arrow. Has anyone seen such microbial structure? 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 84: Bigfoot

Vincent, Dickson, and Daniel consider the delivery of anti-trypanosome nanobodies to the tsetse fly via a bacterial symbiont, and present a new case study.

Hosts: Vincent Racaniello Read More

What Should First Year Students Learn About Microbiology?

Many institutions, such as my own, only have one microbiology course. In this second "Mu-Tube" video, I ask my current junior and senior Microbiology students what *they* think first year students ought to know about #MattersMicrobial. I think their opinions are interesting, and will inform my... Read More

TWiV 344: Glaswegians go viral

Host: Vincent Racaniello

Guests: Ruth Jarrett Read More

MMP #4: Deep-Sea Archaea and the Tree of Life with Thijs Ettema

Host: Jeff Fox with special guest, Thijs Ettema.

Thijs Ettema of Uppsala University in Sweden talks with Jeff Fox about a deep-sea archaeon, named Lokiarchaeum for the underwater volcano between Greenland and Norway near where it was found, that might be related to the last common anc... Read More

BacterioFiles 201 - Plastic-Producing Prokaryote Process

This episode: Bacteria from wastewater treatment sludge can produce lots of biodegradable plastic!

(7.1 MB, 7.75 minutes)

Show notes: 
Jour... Read More

TWiP 89: Day TWiPers

Vincent, Dickson, and Daniel reveal last week's case study and introduce a new one concerning a patient who traveled to Belize.

Hosts: Vincent Racaniello,&... Read More

TWiP 91: Born to deform

 Vincent, Dickson, and Daniel review how Viagra might be used to block transmission of Plasmodium falciparum, and introduce a new case study.

Hosts:  Read More

SIV shrugs off antibodies in vaccinated monkeys

New research on monkeys vaccinated against HIV's relative SIV calls into question an idea that has driven AIDS vaccine work for years. The assumption: a protective vaccine only needs to stimulate moderate levels of antibodies that neutralize the virus. Read More

TWiM 107 Letters

Jim writes:

Hi Vince,
For your interest in listening to physics, there is a podcast called The Titanium Physicists Podcast. They use a conversational format similar to what you use. They have a panel of experts and a guest who is not a physicist but who is accom... Read More

Antibacterial soap no more effective than plain soap at reducing bacterial contamination

Scientists in Korea have discovered that using antibacterial soap when hand-washing is no more effective than using plain soap, according to a paper published today in the Journal of Antimicrobial Chemotherapy. Read More

Pathogen grows on cold smoked salmon by using alternative metabolic pathways

Washington, DC - August 4, 2015 - The pathogen, Listeria monocytogenes grows on refrigerated smoked salmon by way of different metabolic pathways from those it uses when growing on laboratory media. The research could lead to reduced incidences of food-borne illness and death, said principal inv... Read More

TWiM 108 Letters

Nervous in San Diego writes:

Dear Professors of TWiM,
I was recently introduced to TWiM by a neighbor. For the last few weeks I have been listening to the backlog of TWiM podcasts, mainly while walking our dog. Regrettably, our dog is a lousy conversationalist. L... Read More

TWiM 110 Letters

Trudy writes:

I'm sorry, I may have missed something, but the mechanism behind an effective vaccine is still unclear to me, since infection with F. tularensis does not confer protection. How would a vaccine work?

Katy Bosio replies:

In... Read More

MdlM113: Microorganismos Halofilos Extremos y los virus que las infectan con Josefa Anton

Ambientes extremos: salares del mundo, su microbiota y los virus presentes. Estos son los temas a discutirse en el episodio de hoy de La Radio el Mundo de los Microbios. Nuestra invitada la Dra. Josefa (Pepa) Anton, Profesora Titular de Microbiología de la Universidad de Alicante co... Read More

Public health surveillance system may underestimate cases of acute hepatitis C infection

A new study suggests that massive underreporting may occur within the system set up by the U.S. Centers for Disease Control and Prevention (CDC) to estimate the incidence of acute hepatitis C virus (HCV) infection. In a paper receiving advance online publication in Annals of Internal Medicine, a... Read More

MWV94 - TWiM #99: Careers in Biodefense

Hosts: Vincent Racaniello

Guests: Maria Julia Marinissen, Read More

TWiV 355: Baby's first virome

Hosts: Vincent RacanielloDickson DespommierAlan Dove Read More

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