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BacterioFiles 271 - Dictyostelium Delivers DNA Deathtraps

This episode: Slime molds have special cells that capture and kill bacteria using traps made of DNA!

(11.2 MB, 12.25 minutes)

Show notes: 

Read More

TWiV 410: Hurricane Zika

Sharon and Scott join the TWiV team to talk about their work on dengue antibody-dependent enhancement of Zika virus infection, and identifying the virus in mosquitoes from Miami.

Hosts: Vince... Read More

TWiM #136: Diderms and then monoderms

The TWiM team discusses the importance of neutrophils in microbial infections, and evidence that ancient bacteria had two cell walls.

Hosts: Vincent Racaniello, El... Read More

S. mutants mutation increases fluoride resistance

Microbes are excellent at adapting to stressful situations, which is part of the reason antibiotic resistance is a problem today. Constant exposure to antimicrobials such as triclosan have selected for resistant strains, rendering the compound ineffective. This is why the FDA recently banned t... Read More

Smartphone microscope turns microbiology into game time

A new 3-D printed, easily assembled smartphone microscope developed at Stanford University turns microbiology into game time. The device allows kids to play games or make more serious observations with miniature light-seeking microbes called Euglena.

When it’s assembled, it has a platform for... Read More

History Lesson - The Day the US Senate Tried to Change the Name of Salmonella

In an attempt to preserve and defend the good name of the salmon fished in his state, Senator Warren Magnuson (D-WA), introduced in 1969 a bill in the US Senate pro­po­sing to change the name of Salmonella  to the more in­oc­cu­ous sounding Sanella. In some circles it may seem com­for­ting to th... Read More

New vaccines againts zika can prevent neurological disorders in newborn mice

Two vaccines against Zika virus developed at the University of Pittsburgh School of Medicine have successfully conveyed immunity from female mice to pups conceived weeks after the mother's vaccination.

When challenged with Zika virus within a week of their birth, both vaccines protected the p... Read More

Global warming collapses symbiotic gut bacteria, killing host insects

A new study shows that when heat-susceptible bacteria living symbiotically in the guts of insects are exposed to increased temperatures, both the bacteria and the insect are negatively impacted and can die. The study, reported online this week in the journal mBio®, illustrates another way globa... Read More

You Say Auto-phagy, I Say Au-toph-agy: Let's Call the Whole Thing Awfully Amazing

The Nobel Prize for Medicine this year went to Dr. Yoshinori Ohsumi of the Tokyo Institute for Technology for his work on autophagy, the process of digesting unneeded or damaged cellular components. This process plays a role in many central cellular activities, with applications ranging from gen... Read More

Global Warming Damages Symbiotic Organisms

Ten years ago, Takema Fukatsu, PhD, prime senior researcher and leader, National Institute of Advanced Industrial Science and Technology (AIST) in Japan, was invited to Kyoto University as a symposium speaker of a meeting organized by Kenji Fujisaki, PhD, a researcher in the University's Graduat... Read More

Microbiology Career Profiles – Assistant Scientist at DuPont Nutritional & Health with Wesley Morovic

Wesley Morovic explains his journey from a Bachelor’s degree from the University of Wisconsin to DuPont. Learn more about what he does, how he got to his position, and what you should do to get there. Read More

A Sweater and a Shirt Came Before Just a Shirt

It is not unexpected that the contemplation of bacteria and archaea should focus so much on the nature and im­portance of their cell envelopes. Here, after all, is the in­ter­face between the cell's interior and the outside world. It is also what a host perceives early on when becoming infected.... Read More

BacterioFiles 270 - Bacteria Block Bug Babies

This episode: Insect gut microbes can be engineered to act as birth control, population control, or disease control for bugs!

(13.3 MB, 14.5 minutes)

Show notes: 

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TWiV 409: A Nef is enough

Jeremy joins the TWiVeroids to tell the amazing story of how the function of the HIV-1 protein called Nef was discovered and found to promote infection by excluding the host protein SERINC from virus particles.

Hosts:  Read More

Vincent Racaniello: Earth’s Virology Professor

A new blog written by undergraduate students from the School of Genetics and Microbiology, Trinity College Dublin features Vincent Racaniello, PhD, host of This Week in Virology.

"Most students studying science at university will inevitably become familiar with the names and works of a wide r... Read More

BacterioFiles 269 - Magnetic Microbes Maim MRSA

This episode: Killing pathogens by attaching magnetotactic bacteria to them and then raising the heat with magnetic fields!

(10.6 MB, 11.6 minutes)

Show notes: 

Journal Paper:
Chen C, Chen L, Yi Y, Chen C, Wu L-F, Song ... Read More

TWiM #135: Unruly individuals and their unruly friends

How critical illness alters the microbiome, and the consequences of a sewage spill into an aquatic environment, from the TWiM team.

Hosts: Vincent Racaniello, Elio... Read More

TWiM 135 Letters

Reed writes:

Dear Vincent, Elio, Michael, and Michelle,

I've just recently finished TWiM number 133 and wanted to comment about the use of the term "secondary metabolite" throughout the episode and often in the primary literature. Michael pointed out that a se... Read More

TWiV 407: Tar Heels go viral, part two

In the second of two shows recorded at the University of North Carolina in Chapel Hill, Vincent meets up with faculty members to talk about how they got into science, their research on RNA viruses, and what they would be doing if they were not scientists.

Host:  Read More

ASM Members Deliver a Landslide Endorsement for Governance Change - Part 2

In my previous posting (Part 1), I reflected on the historical change of the new ASM governance. Here I would like to highlight some key issues that I see facing ASM and its new governance structure. This is not a prescriptive list, but rather a list of goals or, if you prefer, a straw man for ... Read More
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