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Watching Bacteria Evolve, With Predictable Results

If we could somehow rewind the history of life to the dawn of the animal kingdom, it would be unlikely that we humans would ever evolve, the evolutionary biologist Stephen Jay Gould argued. The history of life was shaped by too many flukes and contingencies to repeat its course.

Scientists ca... Read More

Researchers create three-dimensional model of bacterium

Certain bacteria can build such complex membrane structures that, in terms of complexity and dynamics, look like eukaryotes, i.e., organisms with a distinct membrane-bound nucleus. Scientists from Heidelberg University and the European Molecular Biology Laboratory (EMBL) made this discovery empl... Read More

Bent Out of Shape: Stressed Bacteria Accumulate Misfolded Proteins and Stop Growing

Whether a man, a mouse or a microbe, stress is bad for you. Experiments in bacteria by molecular biologists in Peter Chien’s lab at the University of Massachusetts Amherst, with others at MIT, have uncovered the mechanism that translates stress, such as exposure to extreme temperature, into bloc... Read More

Bacteria in drinking water are key to keeping it clean

Bacteria commonly found in drinking water creates conditions which enable other- potentially harmful – bacteria to thrive, says research by engineers from the University of Sheffield.

The research, published in the latest issue of Water Science and Technology: Water Supply, points the way to ... Read More

MRSA Strain in Humans Originally Came from Cattle

A strain of bacteria that causes skin and soft tissue infections in humans originally came from cattle, according to a study to be published in mBio®, the online open-access journal of the American Society for Microbiology. The researchers who conducted the genetic analysis of strains of Staphyl... Read More

Boy infected with rare brain-eating amoeba in Florida

Another child has been infected with a rare, brain-eating parasite, less than a month after Kali Hardig ended up in an Arkansas hospital, fighting for her life.

The new patient is 12-year-old Zachary Reyna, his family told CNN affiliate WBBH. A spokesperson for the Hendry-Glades Health Depart... Read More

Breaking up the superbugs' party

The fight against antibiotic-resistant superbugs has taken a step forward thanks to a new discovery by scientists at The University of Nottingham.

A multi-disciplinary research team at the University's Centre for Biomolecular Sciences has uncovered a new way of inhibiting the toxicity and vir... Read More

Virus-derived particles target blood cancer

Ottawa researchers have developed unique virus-derived particles that can kill human blood cancer cells in the laboratory and eradicate the disease in mice with few side effects. The study is published in Blood Cancer Journal by co-senior authors Drs. David Conrad and John Bell of the Ottawa Hos... Read More

High-angle helix helps bacteria swim

t’s counterintuitive but true: Some microorganisms that use flagella for locomotion are able to swim faster in gel-like fluids such as mucus. Research engineers at Brown University have figured out why. It's the angle of the coil that matters. Findings are reported in Physical Review Letters.

... Read More

MRSA strain in humans originally came from cattle

A strain of bacteria that causes skin and soft tissue infections in humans originally came from cattle, according to a study to be published in mBio®, the online open-access journal of the American Society for Microbiology. The researchers who conducted the genetic analysis of strains of Staphyl... Read More

Crowd-funding: Help Support Research into Using Bacteria to Clean Up the Environment

This research team is using directed evolution to develop strains of Pseudomonas aeruginosa that can chelate and remove heavy metal contaminants from the environment. They're trying to raise money directly from the public to support their research. If you want to participate in this project, at ... Read More

Canine distemper in rare Amur tigers poses "significant risk to survival"

Endangered Amur tigers (also called Siberian tigers) face challenges from poaching, decimation of their prey base, and habitat fragmentation, but a disease from domestic dogs may be the straw that broke the tiger's back, according to the authors of a study in mBio this week. A team of scientists... Read More

Polymicrobial Infections: Perhaps The Rule, Not The Exception

The recent film World War Z describes an apocalyptic event where a rabies-like virus spreads via bite wounds to the majority of Earth’s population and turns them into zombies. Since the world’s leading virologist dies early in the film, it is up to Brad Pitt’s character to find the source and cu... Read More

Pictures Considered # 7. Cocci Divide at The Equator

In 1962 Cole and Hahn published in Science an unassuming sounding paper entitled Cell wall replication in Streptococcus pyogenes. The authors asked the question: do strep cells synthesize their cell wall by intercalating new parts at different sites on their surface or does this take place at on... Read More

BacterioFiles Micro Edition 130 - Bacteriophages Bind Boogers

This episode: Phages hang out in mucus to ambush bacteria!




Download Episode (6.4 MB, 7 minutes)


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TWiV 245: Writing Principles of Virology



Host: Vincent Racaniello


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Bird flu researchers want to create deadly virus in lab

Researchers said Wednesday they want to create a lab version of a deadly emerging bird flu in order to study a strain that might be more infectious to people. Responding to past concerns about such research, the U.S. government said it will require extra safety measures.

The H7N9 bird flu vir... Read More

A Better Sunscreen From Bacteria? Scientists Find A Pigment That Absorbs UV Light

Sunscreen has protected millions from cancer in the last few decades since its introduction. With innovations, including water-resistant and spray types, the adoption of sunscreen has reached new heights. But recent reports that the chemicals in sunscreen can themselves turn into cancer-causing ... Read More

Minn. firm's new water filter: bacteria

A rural Minnesota water company is experimenting with a new way of treating drinking water -- using bacteria to remove the harmful pollutants.

The Lincoln Pipestone Rural Water System has been using expensive reverse osmosis to clean nitrates and nitrites from its well water. But bacteria occ... Read More

Link between MERS virus and camels worries breeders

Some Saudis are worried that the link between the MERS virus and camels is not clear and that it could affect their livelihood as sellers of camel milk.

Yet the connection between Omani camels and a MERS-like virus has brought attention to the potential hazards of purchasing camel milk that h... Read More

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