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BacterioFiles 198 - Dampening Dust Defense

This episode: Modified probiotic bacteria could reduce life-threatening allergies!


(6.3 MB, 6.8 minutes)


Show notes: 
Journal ... Read More

TWiV special: MERS-coronavirus in dromedary camels

Unable to embed Rapid1Pixelout audio player. Please double check that:  1)You have the latest version of Adobe Flash Player.  2)This web page does not have any fatal Javascript errors.  3)The audio-player.js file of Rapid1Pixelout has been included.

Host: Vincent Racaniello


Guests: Read More

TWiV 295: A nonslip grippe and Lassa's LAMP

The TWiVome discusses an miRNA based strategy to mitigate risk of gain of function studies, and identification of a second receptor required for Lassa virus entry.


Hosts: Vincent Racaniello,&n... Read More

'Paleo Ale' Brewed From Yeast Found On A 40-Million-Year-Old Whale Fossil

A Virginia brewer soon plans to serve a beer made from yeast found hanging out on a 40-million-year-old whale fossil, the blog Symbiartic reports. Depending on your disposition, I imagine you're reacting in one of two ways right now, "Yecchh!" or "Cool!" The beer will be called Bone Dusters Pale... Read More

MWV Episode 92 - Ebola: On the Front Lines

The current Ebola virus outbreak in West Africa has sickened over 14,000 people and has killed over 5,100. Health workers from around the world are attempting to halt this deadly disease. On November 19th, the American Society for Microbiology featured two of these health workers, Dr. Joseph ... Read More

BacterioFiles 197 - Fucose Feeds Friendly Fighters

This episode: When sensing an infection, mice make sure to keep their gut bacteria well-fed. And it pays off!


(11.8 MB, 13 minutes)


Show notes: 
Read More

In Search of the Perfect Gut Microbiome with a Tribe of Tanzanian Hunter-Gatherers

It might sound strange to say that humans have forgotten what human-food is, but many scientists believe this is the case. For thousands of years, the environment in which humans lived evolved at a glacial pace—our nutrition and culture changed slowly, and our bodies adapted to it at a matching ... Read More

Bacillus subtilis

Gram stain of B. subtilis showing characteristic G +streptobacillus morphology. 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

Mannitol Salt Agar (MSA)

Mannitol Salt Agar (MSA)
•Important Ingredients: Phenol red, mannitol (sugar), 7.5% NaCl
•Differential: between pathogenic S. aureus and S. epidermidis
•Selective: NaCl inhibits non-halophilic organisms. Organism that can grow are halophilic.
•Mannitol Fermentors: fermentation of acid cau... Read More

TWiM 83 Letters

Matt writes:


Hello TWiM team,

It was great seeing some of you at ASM last week in Boston either in passing between sessions or at the live TWiV episode. I have a few questions about the ASM meeting:
What was something that you all took away from ASM th... Read More

Antibiotic developed 50 years ago may be the key to fighting ‘superbugs’

Scientists at the University at Buffalo are turning to an old class of antibiotics to fight new superbugs resistant to modern medicine.

A $4.4 million grant from the National Institutes of Health will allow UB researchers to develop new dosing regimens for polymyxin antibiotics.

Developed ... Read More

Bacteria Used to Create Fossil Fuel Alternative

British and Finnish scientists have found a way of generating renewable propane using a bacterium widely found in the human intestine and say the finding is a step to commercial production of a fuel that could one day be an alternative to fossil fuel reserves.

"Although we have only produced ... Read More

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

MWV Episode 89 - The Water Supply

Creating and maintaining a clean, sustainable water supply means delivering drinking water and collecting wastewater while dealing with pathogenic microorganisms ... Read More

A system‐level model for the microbial regulatory genome

Microbes can tailor transcriptional responses to diverse environmental challenges despite having streamlined genomes and a limited number of regulators. We present data‐driven models that capture the dynamic interplay of the environment and genome‐encoded regulatory programs of two types of prok... Read More

BacterioFiles 182 - Chloroplast Colonizers' Contradictory Conflicts

This episode: BacterioFiles teams up with The Plant Pathology Podcast to talk about how microbes living in plants sometimes team up with the plants, sometimes with plant pathogens!


(17.7 MB, 19.25 minutes) Read More

Beauty of Nocardia asteroides Colonies on Blood Agar

Nocardia asteroides isolation from blood specimen. On culture, chalky white colonies were seen on blood agar. Image courtesy MicrobeWorld user Kyriakos Zaragkoulias, Specialty Registrar (StR) in Medical Microbiology at General Hospital of Thessaloniki “G. Papanikolaou”, Greece.


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A gut bacterium that attacks dengue and malaria pathogens and their mosquito vectors

Just like those of humans, insect guts are full of microbes, and the microbiota can influence the insect's ability to transmit diseases. A new study reports that a bacterium isolated from the gut of an Aedes mosquito can reduce infection of mosquitoes by malaria parasites and dengue virus. The b... Read More

Small microbes almost killed all life on Earth, study suggests

Tiny microbes on the bottom of the ocean floor may have been responsible for the largest extinction event our planet has ever seen, according to a new study.

These microbes of death were so small, that 1 billion of them could fit in a thimble-full of ocean sediment, and yet, they were almost... Read More
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