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Leishmania parasites with greater infectivity associated with treatment failure

Visceral leishmaniasis, also called kala-azar, strikes 400,000 people every year and kills around 1 in 10 of its victims. The leishmania parasite, Leishmania donovani, has proven difficult to treat, in part because a large percentage of patients who take the drug of choice, miltefosine, relapse ... Read More

Spinning-disk microscope offers window into the center of a cell

A new method of imaging cells is allowing scientists to see tiny structures inside the 'control centre' of the cell for the first time.

The microscopic technique, developed by researchers at Queen Mary University of London, represents a major advance for cell biologists as it will allow them ... Read More

Cartography of the Human Body

Artist Sonja Bäumel explores the skin microbiome in her project Cartography of the Human Body. Bacteria isolated from Bäumel’s skin were characterized and grown individually, then used to reconstruct an artificial microbiome with many layers of differently-colored species. Giant petri dishes gre... Read More

A saga of HeLa cells

We have been using HeLa cells in my laboratory since 1982, when I arrived at Columbia University Medical Center fresh from postdoctoral work with David Baltimore at MIT. I brought with me a line of HeLa cells and used them for 30 years for our research on viruses. Here is a story of how we lost ... Read More

Growing bacteria keep time, know their place

Working with a synthetic gene circuit designed to coax bacteria to grow in a predictable ring pattern, Duke University scientists have revealed an underappreciated contributor to natural pattern formation: time.

In a series of experiments published Oct. 8, 2013, in the journal Molecular Syste... Read More

3-D Printed Microscopic Cages Confine Bacteria in Tiny Zoos for the Study of Infections

By caging bacteria in microscopic houses, scientists at The University of Texas at Austin are studying how communities of bacteria, such as those found in the human gut and lungs, interact and develop infections.

In a recent experiment they demonstrated that a community of Staphylococcus aure... Read More

New More Effective Antimicrobials Might Rise From Old

By tinkering with their chemical structures, researchers at the University of California, San Diego School of Medicine have essentially re-invented a class of popular antimicrobial drugs, restoring and in some cases, expanding or improving, their effectiveness against drug-resistant pathogens in... Read More

PathoGenetix Research Shows Rapid Identification of Multiple Salmonella Serovars in Food Samples

New research presented at the 4th American Society for Microbiology (ASM) Conference on Salmonella today demonstrates culture-independent identification and strain typing of multiple Salmonella serotypes directly from enriched food samples using PathoGenetix’s Genome Sequence Scanning (GSS) tech... Read More

Mundo de los Microbios - Episodio 105 - Greetchen Diaz



Greetchen Diaz es una joven investigadora en el area de los virus del papilloma humano (HPV) que son los responsables de las verrugas, pero también aparecen como una de las causas más com... Read More

Working together: bacteria join forces to produce electricity

Bacterial cells use an impressive range of strategies to grow, develop and sustain themselves. Despite their tiny size, these specialized machines interact with one another in intricate ways.

In new research conducted at Arizona State University’s Biodesign Institute, Jonathan Badalamenti, Cé... Read More

The bacterium Brucella pinnipedialis has little effect on the health of the hooded seal

A doctoral research project studying the bacterium Brucella pinnipedialis, which commonly occurs in hooded seals, found that this bacterium does not cause disease in hooded seals, as other Brucella bacteria do in other species.

The occurrence of the bacterium B. pinnipedialis in hooded seals ... Read More

Giving babies "good" bacteria may help ease incessant fussing and crying.

Giving babies "good" bacteria may help ease incessant fussing and crying, says a fresh look at past studies.

But researchers say it's too soon to recommend the bacteria, known as probiotics, for colicky babies.

"There is some promise in probiotics, but we need further research to clarify i... Read More

Who's Afraid of Peer Review?

On 4 July, good news arrived in the inbox of Ocorrafoo Cobange, a biologist at the Wassee Institute of Medicine in Asmara. It was the official letter of acceptance for a paper he had submitted 2 months earlier to the Journal of Natural Pharmaceuticals, describing the anticancer properties of a c... Read More

Scientists Are Pitting Bacteria Against Each Other in 3D-Printed Cages

The most important zoos of the future might not house endangered lions or tigers. Instead, they could hold disease-causing bacteria.

Scientists at the University of Texas have begun 3D printing microscopic habitats to study bacterial communities. They say the tiny "cages" are better at repro... Read More

Nanotechnology and Learning to Talk to Bacteria: Reginald C. Farrow, Ph.D. at TEDxNJIT

The most well-known advances in nanotechnology have led to dramatically smaller devices that provide us very fast, compact and "smart" electronics including computers, cellphones, and games. In the process we have transformed the way that we communicate with each other. Along with these advances... Read More

BacterioFiles Micro Edition 138 - Slime Sustains Sidekick Pseudomonas

This episode: Slime mold cells carry bacteria with them, some for food and some for chemical warfare!




Download Episode (6.4 MB, 7 m... Read More

Norovirus Vaccine Reduces Symptoms of Illness by More Than Half

An investigational vaccine appears generally well tolerated and effective against the most common strain of norovirus, reducing the main symptoms of the gastrointestinal (GI) infection, vomiting and/or diarrhea, by 52 percent, suggests research being presented at IDWeek 2013™.

Currently, ther... Read More

Innovative approach could ultimately end deadly disease of sleeping sickness

A tag team of two bacteria, one of them genetically modified, has a good chance to reduce or even eliminate the deadly disease African trypanosomiasis, or sleeping sickness, researchers at Oregon State University conclude in a recent mathematical modeling study.

African trypanosomiasis, cause... Read More

Study Looks at the Changing Bacterial Mix After Menopause

The mix of bacteria in the vagina changes as women go through menopause. And a certain mix is typical after menopause in women who have vulvovaginal atrophy (VVA), a common cause of vaginal dryness and sexual pain, finds a team at Johns Hopkins and the University of Maryland. They suspect these ... Read More

Vaccination Campaign Doubles HBV Mutations

A universal infant vaccination campaign in China has led the Hepatitis B virus (HBV) to more than double its rate of "breakout" mutations. These mutations may enable the virus to elude the vaccine, necessitating new vaccination strategies. Researchers at the Chinese Centers for Disease Control a... Read More

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