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TWiM #87: Avogadro, archaeal fossils, and ICAAC

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

TWiV 224: A wide receiver and a natural defense

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Hosts: Vincent Racaniello, Alan Dove, and Read More

Anti-bacterial chemical triclosan shows up in rivers, causes concern

Three decades ago, some companies began adding a chemical called triclosan to their products and tried to convince consumers that their hand soap or toothpaste was better because it was “anti-bacterial.”

Now, scientists are finding traces of that compound in the environment, and it’s causing ... Read More

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

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

BacterioFiles 163 - Pseudomyrmex Sidekicks Stop Sprout Sickness

This episode: Ants teaming with bacteria help defend plants from bacterial pathogens!


(9.4 MB, 10.2 minutes)


Show notes: 
News item/ Read More

Amoeba Takes Bites of Human Cells to Kill Them

Amoebae — a group of amorphous, single-celled organisms that live in the human body — can kill human cells by biting off chunks of intestinal cells until they die, a new study finds. This is the first time scientists have seen this method of cell killing, and the new findings could one day help ... Read More

Vomiting Larry battles "Ferrari of the virus world"

Poor Larry isn't looking too good. He's pale and clammy and he's been projectile vomiting over and over again while his carers just stand by and watch.

Yet their lack of concern for Larry is made up for by their intense interest in how far splashes of his vomit can fly, and how effectively th... Read More

Stroke Drug Kills Bacteria That Cause Ulcers and Tuberculosis

A drug currently being used to treat ischemic strokes may prove to be a significant advance in the treatment of tuberculosis and ulcers. In a new research report appearing online in The FASEB Journal, a compound called ebselen effectively inhibits the thioredoxin reductase system in a wide varie... Read More

BacterioFiles Micro Edition 145 - Clostridium Converts Cortisol

This episode: Gut bacteria may convert cortisol into important human hormones!


(6 MB, 6.5 minutes)


Note: Episode 144 is now available too. Sorry about that. Not sure what went wrong there, but it is regrettable.


A minor player in the gut, Clostridium scindens,... Read More

Mundo de los Microbios - Episodio 108 - Grace Robiou

Nuevas guías de la Agencia de Protección Ambiental (USEPA) para las aguas recreacionales:  éste es el tópico que discutiremos hoy con Grace Robiou, quien ha trabajado durante los últimos años buscando nuevos indicadores de riesgo que protejan mejor a los bañistas.


Aunque en el mu... Read More

Virology course on Coursera

For fours years I have taught a virology course at Columbia University and have posted videos of each lecture on my website, virology.ws, and at iTunes University. Nearly 100,000 individuals have subscribed to my virology course at iTunes University. Now Columbia has signed an agreement with Cou... Read More

Two Dead As A Result Of New SARS-Like Virus

A new coronavirus, similar in nature to SARS (Severe Acute Respiratory Syndrome), has infected six and resulted in two deaths in the Middle East, various media outlets have reported this weekend.

According to BBC News, the number of reported cases, as well as the number of fatalities linked w... 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

Human gut may engineer its bacterial environment via secretions

The human gut may help control the bacterial populations that live within it via secretions that kill some bacteria while supporting others, according to a study published Tuesday in the journal PLoS Biology.

The gut is an enormously complex environment inhabited not only by human cells but a... Read More

NASA To Study If Space Travel Makes Twins Biologically Different

The world’s only twin astronauts will take center stage in an upcoming NASA experiment that will analyze whether or not identical siblings remain the same biologically if one travels to outer space while the other remains on Earth.

According to the US space agency, astronaut Scott Kelly will ... Read More

BacterioFiles Micro Edition 150 - Morels Make Mycelial Motorways

This episode: Bacteria use fungal filaments like highways to swim through soil!


(7.7 MB, 8.3 minutes)


Show notes: 
Journal Paper


Read More

This Spinning Disk Can Detect Salmonella In 30 Minutes

Analytical Chemistry Researchers have created a spinning disk that can quickly tell--within 30 minutes--if food samples contain Salmonella. The most widely-used method to test for the pathogen involves growing out samples on petri dishes and can take days so this has potential to be much quicker... Read More

BacterioFiles Micro Edition 148 - Engineered Escherichia Enzyme Enhances Environmentalism

This episode: Engineered bacteria could help capture CO2 and convert it into a solid form for storage!


(7.3 MB, 8 minutes)


E. coli engineered to produce the enzyme carbonic anhydrase, which converts carbon dioxide to bicarbonate and then to calcium carbonate,... Read More

BacterioFiles 187 - Bacteria Bolster Bedbug Biotin

This episode: Some Wolbachia bacteria produce vitamin B7 for their insect hosts!


(7.1 MB, 7.75 minutes)


Show notes: 
Journal Paper


Read More
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