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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

BacterioFiles 277 - Sailor Cells Store Selenium

This episode: Bacteria with their own magnetic compass can also clean up and recover toxic but valuable elements!


(6.1 MB, 6.7 minutes)


Show notes: 


Read More

Using citizen science to engage students

Scientists and science educators now recognize the value in explaining what fields don’t understand, in addition to facts supported by years of experimental data. Citizen science projects, which emphasize accessibility of scientific technologies and methods for everyone, allow people without yea... Read More

Carbapenem-resistant bacteria isolated from a pig farm in the United States

While carbapenems aren’t allowed to be given to feedlot animals, other beta-lactam antibiotics are. This is a large class of drugs that includes extended-spectrum cephalosporin drugs. There is no direct line between the use of these extended-spectrum cephalosporins and selection for carbapenem r... Read More

Zika virus in Brazilian non-human primates

Zika virus RNA has been detected in New World monkeys from the Northeast region of Brazil. This finding suggests that primates may serve as a reservoir host for the virus, as occurs in Africa. Read More

TWiV 402: The plight of the bumblebee

Polio returns to Nigeria, Zika virus spreads in Miami, and virus infection of plants attracts bumblebees for pollination, from the virus gentlepeople at TWiV.


Hosts: Vincent Racaniello Read More

Are Viruses Alive?

Plenty of people have weighed in on the question, 'Are Viruses Alive?' Here is my answer - different from all the others. Read More

How immunity to RSV develops in childhood but deteriorates in adults

The leading infectious cause of severe respiratory disease in infants, respiratory syncytial virus (RSV), is also a major cause of respiratory illness in the elderly. Approved vaccines do not yet exist, and despite the development of partial immunity following infection during childhood, individ... Read More

Nonpathogenic viruses transferred during fecal transplants

Fecal transplants are increasingly being used for refractory Clostridium difficile and other gastrointestinal disorders. While fecal donors are screened for various infectious diseases, it is unclear whether viruses can in fact be transmitted during fecal transplants. Now a new study shows that ... Read More

Microbes After Hours: Spillover: Zika, Ebola, & Beyond

Throughout the last few decades, diseases that spill over from animals to humans have been on the rise. What's behind their increase, and can we do anything to combat these dangerous foes? Spillover: Zika, Ebola & Beyond, from HHMI's Tangled Bank Studios, investigates the rise of spillove... Read More

TWiP 122: If the thunder don't get you, the lightning will

The TWiPniks docs solve the case of the Female from Peru with Epistaxis, and discuss the effect of community deworming on immunosuppression.


Hosts: Vincent Racaniello Read More

Identifying milk components that promote a healthy infant microbiome

Breast milk provides an inexpensive, nutrient-filled source of food for babies. Because of this, the American Academy of Pediatrics and the WHO recommend new mothers to exclusively breast feed their babies for the first six months of life, and continue up to two years (supplemented with other fo... Read More

Assessing gram stain error rates

Because of its simplicity and the rapid time-to-result turnaround, gram staining plays an important role in clinical microbiology. Learning the cell structure helps eliminate potential disease etiologies: learning an isolate is a gram-negative rod doesn’t tell you what the diagnosis is, but it h... 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 413: Partnerships not Parachutes

From the EIDA2Z conference at Boston University, Vincent, Alan and Paul meet up with Ralph Baric, Felix Drexler, Marion Koopmans, and Stacey Schultz-Cherry to talk about discovering, understanding, protecting, and collaborating on emerging infectious diseases.


Hosts:  Read More

THE RIDDLE OF THE R.I.D.L _ Zika virus Comics (Playlist)

In Zanzare, the new comic from Cimaza (www.cimazacomics.com/), we are plunged head-first into the global mystery of the Zika virus. We meet the mosquitoes (in Italian: zanzare) implicated in its spread; but the insects plead their innocence, saying it's all a misunderstanding. They lay their cas... Read More

Yeast fights viruses!

Humans have used Saccharomyces cerevisiae yeast in baking, brewing and winemaking for millennia. New research from the University of Idaho and the University of Colorado Boulder reveals another way that yeast species can help our species: by demonstrating how viruses interact with their hosts, a... Read More

BacterioFiles 268 - Sophisticated Cyanobacterium Sight

This episode: Spherical cyanobacterium Synechocystis acts like a tiny eyeball in sensing light, allowing cells to move closer to light sources!


(9.7 MB, 10.6 minutes)


Show notes: synSEM Read More

NIH study finds factors that may influence influenza vaccine effectiveness

The long-held approach to predicting seasonal influenza vaccine effectiveness may need to be revisited, new research suggests. Currently, seasonal flu vaccines are designed to induce high levels of protective antibodies against hemagglutinin (HA), a protein found on the surface of the influenza ... Read More

TWiV Special: DA Henderson, smallpox eradicator

Donald “D.A.” Henderson, a physician, educator, and epidemiologist who led the World Health Organization’s campaign to eradicate smallpox, died at 87 years of age on Aug. 19, 2016. Vincent was fortunate to have the opportunity to speak with DA Henderson in 2014 about his career, the smallpox era... Read More
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