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Ankyrins and Bacterial Symbionts

Ankyrin (ANK) repeats are one of the most common amino acid sequence motifs that mediate interactions between proteins of myriad sizes, shapes and functions. We assess their widespread abundance in Bacteria and Archaea for the first time and demonstrate in Bacteria that lifestyle, rather than ph... Read More

Bacteriophage T4 (video)

This is an accurate visualization of the Bacteriophage T4 based on Cryo-EM datasets of the virus. The scope of the animation is to show the infection process of the T4 into an E. coli cell. All scientific data sets and motion based off of research from Michael Rossmann Laboratory (Purdue Univers... Read More

We Are Not Alone: How the Human "Planet" Is Colonized (video)

The gut microbiome is an emerging field that has been linked to many diseases and conditions affecting each and everyone of us from metabolism to potential neurological diseases.

Via - YourekaScience on YouTube Read More

The Science Behind Honey’s Eternal Shelf Life

Modern archeologists, excavating ancient Egyptian tombs, have often found something unexpected amongst the tombs’ artifacts: pots of honey, thousands of years old, and yet still preserved. Through millennia, the archeologists discover, the food remains unspoiled, an unmistakable testament to the... Read More

Stopping Microbes Not Missiles: U.S. Plans For Next Global Threat

Spot the next plague before it arrives. Predict the next swine flu outbreak before it makes headlines. Even detect a biological weapon before it's launched.

These are the goals of an ambitious initiative, launched Thursday, to build a worldwide surveillance system for infectious diseases.

... Read More

Microbial biogeography of wine grapes is conditioned by cultivar, vintage, and climate

Wine grapes present a unique biogeography model, wherein microbial biodiversity patterns across viticultural zones not only answer questions of dispersal and community maintenance, they are also an inherent component of the quality, consumer acceptance, and economic appreciation of a culturally ... Read More

Recruitment Launched for New Microscopic Museum Mobile Gaming Program at AMNH

The American Museum of Natural History has began recruiting for this new, free, spring, after school program for high school students. Please help them out by sharing the word with interested teens:

Did you know that the Twa, a group of people in the Congo, rarely get cavities or that Japanes... Read More

BacterioFiles Micro Edition 155 - Cells Save Superannuated Sequences

This episode: Bacteria are able to incorporate DNA from the environment into their genomes, even if it's thousands of years old!


(9.6 MB, 10.5 minutes)


Show notes: 
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Talking Bacteria

Quorum sensing is one of the most amazing things about bacteria. More and more research is focusing on potential quorum sensing applications in biomedicine and many other fields of life sciences.

This is a video that I made about QS for a competition in my University. No previous science bac... Read More

Bacteria in space!

Where humans travel, bacteria will follow. If people are in space for any amount of time, bacteria are sure to thrive there so it’s good to know that there are already researchers looking at how the environment within spaceships affects bacterial populations. Work done on planktonic colonies of ... Read More

UA Study on Flu Evolution May Change Textbooks, History Books

A new study published in the journal Nature provides the most comprehensive analysis to date of the evolutionary relationships of influenza virus across different host species over time. In addition to dissecting how the virus evolves at different rates in different host species, the study chall... Read More

Environment influences ability of bacterium to block malaria transmission

The environment significantly influences whether or not a certain bacterium will block mosquitoes from transmitting malaria, according to researchers at Penn State.

The researchers used a species of malaria parasite that affects rodents, Plasmodium yoelii, and the mosquito, Anopheles stephens... Read More

Host plants reprogram their root cells to accommodate symbiotic nitrogen-fixing bacteria

To enter into symbiosis with nitrogen-fixing bacteria, host plants reprogram their root cells. An LMU team has now identified a calcium-binding protein complex that can be persuaded to spontaneously induce the formation of root nodules.

In almost all ecosystems, plant growth rates are limited... Read More

The Fungus That Killed Darwin’s Frog

In his second expedition to South America, Darwin discovered many new species of animals and plants. The field observations obtained throughout this 5-year expedition provided the intellectual framework for the maturation of his ideas on evolution. It also introduced the world to a tiny (2-3 cm ... Read More

Pentagon agency tries to stop drug-resistant bacteria

The rise of drug-resistant bacteria and other biological threats has pushed the Pentagon to seek help developing small molecules that can stop some of the world's most dangerous pathogens.

The Defense Threat Reduction Agency, which seeks ways to stop or limit the effects of weapons of mass de... Read More

59,000 generations of bacteria, plus freezer, yield startling results

After 26 years of workdays spent watching bacteria multiply, Richard Lenski has learned a thing or two.

He's learned that naturalist Charles Darwin was wrong about some things. For one, evolution doesn't always occur in steps so slow and steady that changes can't be observed.
Lenski also lea... Read More

TWiV 272: Give peas a chance



 Hosts: Vincent Racaniello, Dickson Despommier, Read More

BART rider with measles potentially exposed thousands in San Francisco

Public health officials issued a warning Thursday that thousands of Bay Area residents were potentially exposed to measles last week when a UC Berkeley student with the virus attended classes in Berkeley and rode on BART.

The student, a Contra Costa County resident whose name was not released... Read More

Sweet Valentine

Four intracellular Toxoplasma gondii parasites are shown undergoing cellular division by an internal budding process known as endodyogeny. Staining with a T. gondii surface antigen provided heart-shaped images (shot on Valentine’s Day). The definitive host of these parasites is the cat, but they... Read More

Test for Persistent Lyme Infection Using Live Ticks Shown Safe in Clinical Study

In a first-of-its-kind study for Lyme disease, researchers have used live, disease-free ticks to see if Lyme disease bacteria can be detected in people who continue to experience symptoms such as fatigue or arthritis after completing antibiotic therapy. The technique, called xenodiagnosis, attem... Read More

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