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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

TWiEVO 5: Looking at straw colored fruit bats through a straw

We have some virology for you on the latest episode of the science show This Week in Evolution. Nels and I are joined by Kartik Chandran and Sara Sawyer who talk about their work showing how the filovirus receptor NPC1 controls susceptibility of bats to Ebolavirus infection. They have found that... Read More

NY Subway Experiment/Craig Ward

The hand print image was featured in a short video by Emily Driscoll for NPR, swabbing the NY subway by artist Craig Ward. Note: the only thing I contributed was the image. I was not involved in the experiment. I would not advocate for doing this experiment outside of a lab for safety reasons... Read More

Immune response to flu vaccine linked to recipients' ethnic background

BOSTON -- How well a flu shot protects you from the virus can depend on your ethnic background and other inherited factors, report Dana-Farber Cancer Institute scientists. Read More

Structure of Zika virus determined

A near-atomic level map of Zika virus shows its structure to be largely similar to that of dengue virus and other flaviviruses, but with a notable difference in one key surface protein, report scientists funded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the Nat... 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

UC San Diego scientists receive $9.5 million NIH grant to combat antibiotic resistance

Researchers at University of California, San Diego School of Medicine have received a five-year, $9.5-million award from the National Institute of Allergy and Infectious Diseases at the National Institutes of Health (NIH) to establish an interdisciplinary center to define the systems biology of ... Read More

Polio in Nigeria

Polio returns to Nigeria after two years - but it turns out it had never gone away.
Read More

Shiga toxin: no preassembly required

The molecular order of events is important in virulence, and a new paper published in the Journal of Bacteriology looks at the order of events necessary for bacterial toxin delivery to a host cell. Specifically, the authors looked at the assembly of Shiga toxin, produced by Shigella dysenteriae ... Read More

Health officials find first cases of new superbug in US

ust five months after federal health officials asked hospitals and physicians to be on the lookout for an often-fatal, antibiotic-resistant fungus called Candida auris, 13 cases have been reported, the Centers for Disease Control and Prevention announced Friday. It is the first time that the fun... Read More

Virus Watch: Building Zika Virus

In this new video episode of Virus Watch, you'll see how the Zika virus particle is built, and how it binds to an antibody that blocks infection. All in gorgeous three dimensional views provided by recent structure studies. Read More

Antibodies to dengue virus enhance infection by Zika virus

It has been speculated that the development of neurological disease and fetal abnormalities after Zika virus infection may be due to the presence of antibodies against other flaviruses that enhance disease. In support of this hypothesis, it has been shown that antibodies to dengue virus enhance... Read More

Zika virus

The rapid spread of Zika virus through the Americas, together with the association of infection with microcephaly and Guillain-Barré syndrome, have propelled this previously ignored virus into the limelight. What is this virus and where did it come from?
Read More

New hybrid drug plugs the hole in malaria drug resistance

A combination of artemisinin and another drug (artemisinin combination therapy, ACT) is currently the best malaria treatment recommended by the World Health Organization. In early 2015, artemisinin-resistant malaria was confirmed in five countries in Southeast Asia: Cambodia, Laos, Myanmar, Thai... Read More

New SARS-like virus is poised to infect humans

The new virus, known as WIV1-CoV, directly binds to the same human receptor as the SARS strain that infected thousands in 2002 Read More

MMP #16: Insights into Toxoplasma gondii parasites

Host: Jeff Fox with special guest, Emma Wilson.


Emma H. Wilson of the University of California, Riverside, talks with Jeff Fox about efforts, with her collaborators to determine more precisely how Toxoplasma gondii parasites disrupt the mammalian brain—in this case, the brains of mice... Read More

How does antimicrobial resistance spread?


How does antibiotic resistance spread?

Antibiotic resistance is the ability of bacteria to combat the action of one or more antibiotics.
Humans and animals do not become resistant to antibiotic treatments, but bacteria carried by humans and animals can.

In animal farming

Animals may ... Read More

Green Monkeys Acquired Staphylococcus aureus From Humans

Washington, DC – July 29, 2016 - Many deadly diseases that afflict humans were originally acquired through contact with animals. New research published in ASM’s Applied and Environmental Microbiology shows that pathogens can also jump the species barrier to move from humans to animals. The study... Read More

A growing concern: why whooping cough incidence may be increasing in a highly vaccinated population

News headlines highlighting an outbreak of a vaccine-preventable disease often leave readers shaking their heads. These diseases – measles, chickenpox, whooping cough – could have been prevented if only the infected children had been vaccinated. Right? Well, in the case of whooping cough, the si... Read More

From Serratia with Love

Wish your sweetheart a Happy Valentine's Day with this composition of Serratia marcescens on LB plates. The strain produces a brick-red pigment called prodigiosin and the different shades were produced by a combination of pigment mutants and incubation temperatures. Read More
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