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Conidiophores in Neurospora crassa

This is an 3D image of conidiophores of the filamentous fungus Neurospora crassa. Conidiophores are hyphae which differentiate to produce asexual structures named spores or conidia. The image taken using a confocal microscope shows conidiophores stained with a fluorophore which stains components... Read More

Scientists Discuss The Reality Of A Zombie Apocalypse: Exclusive

Hollywood has amplified the idea of a zombie apocalypse for a long time, and the stories have grown increasingly popular in pop culture, particularly due to TV shows like ‘The Walking Dead‘ and movies like ‘World War Z.’

However, when you take science fiction out of the equation and add real-... Read More

New Drugs Use Cell "Garbage Disposal" to Kill Bacteria

A new class of molecules called acyldepsipeptides—ADEPs—may provide a new way to attack bacteria that have developed resistance to antibiotics.

Researchers have discovered a way to increase the potency of ADEPs by up to 1,200 times. Their findings appear in the Journal of the American Chemica... Read More

You'll Want To Wash Your Hands Immediately After Reading This (Infographic)

Germaphobes, maybe you're on to something.

Sickness-causing bacteria and viruses can lurk on surfaces long after they're expelled in an infected person's sneeze or snot. Some can even stay on a surface for months, given the right conditions. While the ability of these microorganisms to actual... Read More

Light zaps viruses: How photosensitization can stop viruses from infecting cells

A UCLA-led team of researchers has found evidence that photosensitizing a virus's membrane covering can inhibit its ability to enter cells and potentially lead to the development of stronger, cheaper medications to fight a host of tough viruses.

The UCLA AIDS Institute study, published in th... Read More

TWiM 71 Letters

Zachary writes:


How long does it take to become a microbiologist?


Tim writes:


I'd never heard of magnetotactic bacteria before and thought perhaps you guys might find this interesting. Not sure if you've mentioned these on TWIM before,... Read More

Enterobacter aerogenes on MacConkey Agar (Mac)

Streak plate isolation of Enterobacter aerogenes grown on MacConkey agar for 24 hours at 37 degree's. Colonies grow pink due to fermentation of lactose. Read More

Human African trypanosomiasis

A false-coloured scanning electron microscope image of an African trypanosome, the parasite which causes sleeping sickness. Read More

BacterioFiles 179 - Functionless Phages Feel Fatiguing

 This episode: Defective phages in bacterial genomes can still have burdensome effects! Why do the bacteria keep them around?


(10.4 MB, 11.3 minutes)


Show notes: 
Read More

Mycobacterium smegmatis

Streak plate of Mycobacterium smegmatis grown on TSA for 96 hrs. Read More

The Energizer Bacterium

Many bacteria have a trick for surviving a water shortage: They dry up like raisins and turn into spores, protecting their essential genetic code. But moisten a spore and it swells right up again.

Those capabilities give bacterial spores some interesting potential as an energy source, as scie... Read More

Endospore Stain Bacillus cereus

B. cereus was grown on urea agar for 6 days at 37 degrees C to induce spore formation.
The endospore stain was done using malachite green as the primary stain and safranin as counter the stain. Malachite green was applied to the smear and set over a steaming water bath for 10 min (stain was no... Read More

Catheter Innovation Destroys Dangerous Biofilms

For the millions of people forced to rely on a plastic tube to eliminate their urine, developing an infection is nearly a 100 percent guarantee after just four weeks. But with the help of a little bubble-blowing, biomedical engineers hope to bring relief to urethras everywhere.

About half of ... Read More

Finally, Clothing Designed to Stop the Spread of Germs on Public Transit

Of all the public transit etiquette violations out there, the sneeze-and-touch at the height of cold and flu season is among the worst. Everyone who rides in a city has seen it: that sickly looking person across the train or bus who sneezes into a free hand then grabs the pole we all share. Rese... Read More

Physarum polycephalum

Physarum polycephalum, slime mold, grown in a large perti plate on moist paper towels using oatmeal as the food source. Culture was grown in the dark at room temperature. The paper towel was moistened every day with tap water. After 3 week’s the culture formed sporangia (fruiting bodies). Im... Read More

Canadian man in hospital with Ebola-like virus

A man is in hospital in Canada with symptoms of a haemorrhagic fever resembling the Ebola virus, a health official has said.

The man had recently returned from Liberia in the west African region, currently suffering a deadly outbreak of an unidentified haemorrhagic fever.

He is in isolatio... Read More

30,000 feet up, these bacteria aren't afraid of heights

From ocean floors to office desks, bacteria coat nearly every inch of the Earth. Scientists have recently discovered bacteria are present high above the Earth, as well. Ten kilometers up, to be exact, in a region of our atmosphere known as the upper troposphere. In a place where freezing tempera... Read More

TWiV 269: Herpesvirus stops a nuclear attack

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Hosts: Vincent Racaniello, Dickson Despommier Read More

Scientists for Science

Scientists for Science are confident that biomedical research on potentially dangerous pathogens can be performed safely and is essential for a comprehensive understanding of microbial disease pathogenesis, prevention and treatment. The results of such research are often unanticipated and accrue... Read More

I had the bacteria in my gut analysed. And this may be the future of medicine

Andrew Anthony sent his stool off to have its bacteria sequenced. In the future, such techniques could help assess our susceptibility to conditions from diabetes, Parkinson's and Alzheimer's to autism, depression and cancer.

Click on 'source' to read more. Read More

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