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More than bread and beer: The National Collection of Yeast Cultures (video)

Do you eat bread? Or drink beer? If so you've probably consumed yeast products from the National Collection of Yeast Cultures.

Yeasts are one of the earliest, if not the earliest, biological tools used by people. Brewers' yeast, Saccharomyces cerivisae, features widely in products we consume... Read More

"E. coli Happens"

E. coli was grown on MacConkey Agar (MAC) at 37 degrees for 24 hour. MAC is a Selective and Differential media used to inhibit G+ growth and some G- bacteria as well as identify and isolate lactose fermenting G- enteric bacteria mainly Enterobacteriaceae. Strong lactose fermentation produces pi... Read More

Microbiology Christmas Tree

This is a picture of the Christmas tree in the University of Colorado Hospital Microbiology Department.

The tree is adorned with homemade culture plate ornaments (one for each staff member) and topped with a stuffed Staphylococcus aureus microbe. Read More

Too exhausted to fight -- and to do harm

An 'exhausted' army of immune cells may not be able to fight off infection, but if its soldiers fight too hard they risk damaging the very body they are meant to be protecting, suggests new research from the University of Cambridge. Read More

BacterioFiles 165 - Bacillus Biofilms Balk Bilks

This episode: Interview with Jordi van Gestel: cheaters in bacterial communities don't always succeed!


(13.1 MB, 14.25 minutes)


Read More

Thank Your Gut Bacteria For Making Chocolate 'Healthy'

Boy, it's a good time to be a dark chocolate lover.

We've noted before the growing evidence that a daily dose of the bitter bean may help reduce blood pressure. There also seems to be a link between a regular chocolate habit and lower body weight.

Now scientists are offering an explanation... Read More

Introducing the Thanatomicrobiome

In a healthy adult human body, most internal organs such as the brain, spleen, liver, and heart are devoid of microorganisms because the immune system keeps them in check. After human host death, however, the immune system falters and microorganisms proliferate throughout the body beginning in ... Read More

Carl Woese Dies at 84; Discovered Life’s ‘Third Domain’

Carl Woese, a biophysicist and evolutionary microbiologist whose discovery 35 years ago of a “third domain” of life in the vast realm of micro-organisms altered scientific understanding of evolution, died on Sunday at his home in Urbana, Ill. He was 84.

His death was announced by the Universi... Read More

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 315: Must be something in the water

Vincent, Alan, Rich and Kathy discuss the association of a virus with sea star melting disease, and the finding of a phycodnavirus in the oropharynx of humans with altered cognitive functions.


Hosts: Vincen... Read More

TWiV 215: Illuminating rabies and unwrapping a SARI

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Hosts: Vincent Racaniello, Alan Dove, and Read More

BacterioFiles Micro Edition 139 - Tamed Trespassers Treat Tumors

This episode: Inactivated virus particles may treat cancer or even vaccinate against it!


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Download Episode (5.8 MB... Read More

TWiV 271: To bee, or not to bee, that is the infection

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Hosts: Vincent Racaniello, Dickson Despommier, Read More

Baby's first microbiology book!

Microbiologist parents of newborns or expecting microbiologists now have a way to indoctrinate their wee little ones with an exciting new book for infants entitled "Baby's First Microbiology Book." Help baby learn about all the important little creatures! The pictures are: a microscope, bacteria... Read More

Get to know the bacteria and viruses that call your body home

Are you willing to take a close look at yourself for science?

A really, really close look?

A team of scientists in the Bay Area is inviting citizen scientists to join them in a quest to create the largest database of human microbiomes in the world.

The human microbiome is the ecosystem ... Read More

Physarum polycephalum Different view

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). Image ... Read More

BacterioFiles Micro Edition 146 - Engineered Escherichia Eliminates Enemies

This episode: Scientists engineered E. coli to seek and destroy pathogens!


(10 MB, 11 minutes)


A bacterium can sense pathogens in the body, swim toward them, and release a deadly biofilm-busting payload. This process is called pseudotaxis, and could be modified for many... Read More

The sorceress’s apprentice

ANYONE who walks in the woods will be familiar with witches’ brooms (pictured). Many trees sport these bushy tumours, which have a variety of causes. An important one is a group of bacteria called phytoplasma that are, in turn, carried from plant to plant by sap-sucking insects such as leafhoppe... Read More

Antagonistic effect of Imipenem towards Piperacillin/tazobactam disc in Pseudomonas aeruginosa lawn on Mueller-Hinton agar

This images was taken during the lab work of my Master thesis on Metallo beta lactamase on Pseudomonas aeruginosa and Acinetobacter spps at Shree Birendra Hospital ( Army Hospital) in Kathmandu Nepal . It clearly shows the antagonism between two discs. Read More

TWiM #94: Nitrochondria

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

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