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TWiV 262: Wrong form, right professor

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Host: Vincent Racaniello


Guest: Read More

Remembering a Microbial Hero™: The Late, Great Abigail Salyers.

Here I remember a person who a great deal of influence on my views about microbiology in the classroom, and the laboratory: the late Abigail Salyers. RIP, Abigail. Read More

The bacteria in breast milk

Bacteria are found in large numbers all over the human body where there is a channel to the outside world, for example in the gut, lungs, and surface of the skin. I’ve always thought that actually inside the human body was a bacteria-free environment unless an infection was raging so I was very ... Read More

Microbe steals neighbour's electricity to make methane

From cow burps to tree hiccups and melting permafrost, the potent greenhouse gas methane is produced in myriad ways. Now we can add another one to the list: electricity-generating microbes. The finding could one day allow us to control the generation of methane.

Methanosaeta microbes are one ... Read More

Scientists Discover Link Between Gut Microbiota And Colorectal Cancer

Colorectal cancer patients have fewer beneficial gut bacteria and more harmful microbes than those without the disease, researchers from the New York University School of Medicine report in Friday’s edition of the Journal of the National Cancer Institute.

While previous research had suggested... Read More

HIV virus returns after cure hope rose

Boston researchers are reporting the return of the HIV virus in two patients who had become virus-free after undergoing bone marrow transplants, dashing hopes of a possible cure that had generated widespread excitement.

The rebound of the virus shows its persistence, and that it can hide in p... Read More

Some "Rules" for Academia and Research

In this blog post, I describe some "rules for academics" as well as my own "rules for research." I hope that readers find them useful and perhaps a bit humorous. Read More

New candy eats 'bad' bacteria in the mouth, benefitting teeth

Our mouths are a delicate balance of good and bad bacteria. When we clean our teeth, the aim is to knock out cavity-causing bacteria, while allowing beneficial oral bacteria to thrive. Now, researchers have developed a sugar-free candy, which contains dead bacteria that bind to bad bacteria, pot... Read More

A new species of the fish pathogenic bacterium Edwardsiella

Takele Abayneh Tefera's doctoral research project has uncovered a genetic divergence between the fish pathogen Edwardsiella tarda and Edwardsiella tarda type strain.

He has also identified phenotypic markers that distinguish one from the other. The fish pathogenic strain is now classified as ... Read More

Measles still poses threat to U.S. despite being "eliminated"

Measles may seem like a distant threat in the United States, but the Centers for Disease Control and Prevention are warning the disease still poses a danger to U.S. residents.

The CDC fears that because measles is so prevalent overseas, people who travel are bringing the virus back to U.S. sh... Read More

Hoped-For AIDS Cures Fail In 2 Boston Patients

HIV has reappeared in the blood of two Boston patients who scientists had hoped had been cured of their infections.

This disappointing development, reported by The Boston Globe's Kay Lazar, is yet another cautionary tale of how researchers can never afford to underestimate the human immunodef... Read More

Functional diversity in bacterial defense mechanism against viral invasion

Bacteria may lack a true immune system, but this does not leave them defenseless against bacteriophage viruses and other pathogens. A system of genomic sequence elements called clustered regularly interspaced short palindromic repeats (CRISPR) and various CRISPR-associated proteins (Cas) help to... Read More

Your portrait, made from pulsating bacteria

What happens when you use tiny electromagnetic coils to shift the position of light-scattering bacteria? In the hands of a couple of science-minded artists, you get an intriguing "Living Mirror."

I have a new favorite artist: bacteria. Imprinted onto cell phones, it can look like flowers, or ... Read More

Bacterium Reverses Autism-Like Behavior in Mice

Doses of a human gut microbe helped to reverse behavioral problems in mice with autism-like symptoms, researchers report today in Cell. The treatment also reduced gastrointestinal problems in the animals that were similar to those that often accompany autism in humans.

The work builds on prev... Read More

Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteria

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white cell. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) Read More

Macrophage Infected with Francisella tularensis Bacteria

Scanning electron micrograph of a murine macrophage infected with Francisella tularensis strain LVS. Macrophages were dry-fractured by touching the cell surface with cellophane tape after critical point drying to reveal intracellular bacteria. Bacteria (colorized in blue) are located either in t... Read More

Targeted radioactive bomb might clean out AIDS virus, study finds

years of fighting the deadly and incurable virus, scientists think they may be able to find a way to really kill it. On Monday, the White House and the National Institutes of Health announced a new, $100 million effort to try to find a cure.

In the latest study, researchers tested a modified ... Read More

Division of labour in the test tube

Bacteria grow faster if they feed each other. The division of labour is more efficient than a struggle through life without help from others – this is also true for microorganisms. Researchers from Research Group Experimental Ecology and Evolution at the Max Planck Institute for Chemical Ecology... Read More

A Pill Filled with Bacteria Instead of Drugs

Delivering healthy bacteria in a pill could help patients harboring out-of-balance microbial communities. Yogurt eaters already know that not all bacteria are bad for you. They may not realize that some bacteria are so important that one day people may fight off disease with pills filled with ba... Read More

Bacteria evade detection net

Slothful response from regulators and manufacturers means antibiotic resistance is missed. Bacteria that are resistant to almost all antibiotics are dreaded by physicians and patients alike. Finding such microbes in a hospital is bad enough, but failing to detect them can lead to something much ... Read More

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