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Mundo de los Microbios - Episodio 30

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A continuación: las bacterias y las esponjas marinas, tempeh en el salón de clases, fagos al rescate y microbios volcánicos.


Las bacterias y las esponjas marinas Read More

13 New Stem Cell Lines Open to Research

The National Institutes of Health said Wednesday that it had approved 13 new human embryonic stem cell lines for use by federally financed researchers, with another 96 lines under review.

The action followed President Obama’s decision in March to expand the number of such cell lines beyond th... Read More

Food Safety 101 (MWV33)

Whether you are making lunch for work, school or a summer picnic, knowing what food to pack and how to prepare it can be the difference between enjoying your day or going home sick. From recent peanut butter and pistachio nut recalls to E. coli outbreaks associated with hamburger patties, peo... Read More

Symbiosis: Bacterial Gut Symbionts Are Tightly Linked With the Evolution of Herbivory in Ants

Multiple independent associations between rhizobiales and herbivorous ants provides strong evidence that symbiotic bacteria have facilitated the evolution of nectar and exudate-feeding life histories in ants and their radiation into otherwise inhospitable rainforest canopy habitats, providing a ... Read More

Nasa: compelling evidence of life on Mars

(editor's note - this is an update to a story we featured at http://www.microbeworld.org/index.php?option=com_jlibrary&view=article&id=2038)

A research team at Johnson Space Centre in Houston has been re-examining a meteorite that hit Antarctica 13,000 years ago, and found the most compelling... Read More

WHO's New Guidelines on HIV Care Call for Earlier Treatment

The World Health Organization is now advising health care professionals to start patients with HIV on antiretroviral drugs earlier in the course of their infection, as part of new agency guidelines announced Monday.

The new recommendations will likely result in more patients worldwide obtaini... Read More

Will Copper Keep Us Safe from the Superbugs?

Three papers scheduled for publication in the January issue of the Journal of Hospital Infection suggest that copper might have a role in the fight against healthcare-associated infections.

In a busy Birmingham teaching hospital, researchers swapped a conventional toilet seat, tap-handles and... Read More

Researchers Track Hammerhead Shark Fins To Source Using DNA Barcodes

For the first time, DNA tools have successfully pinpointed the geographic origin of shark fins sold dried in markets to satisfy the demand for shark fin soup, a Chinese delicacy.

Using CSI-like genetic methods, scientists have traced scalloped hammerhead shark fins from a burgeoning Hong Kong... Read More

Pseudomonas fluorescens showing flagella

Electron shadowed micrograph of Pseudomonas fluorescens showing flagella Read More

Fall Wave of Swine Flu Has Peaked, Data Confirm

New swine flu infections continue to drop across the United States, confirmation that the pandemic’s fall wave has peaked, according to figures posted online Monday by the Centers for Disease Control and Prevention.

But the number of children and teenagers killed by swine flu is still rising.... Read More

Study pits bacteria against salmonella in tomatoes

Federal food safety scientists are waging biological warfare to combat salmonella in tomatoes.

Scientists with the Food and Drug Administration's Center for Food Safety and Applied Nutrition are studying naturally occurring bacteria that can fight the bacteria that causes salmonella and to ke... Read More

Molecular Architecture of Treponema Pallidum, Bacterium That Causes Syphilis

A team of scientists from The Forsyth Institute, the University of Connecticut Health Center, the CDC and the Wadsworth Center, have used state-of-the-art technology to elucidate the molecular architecture of Treponema pallidum, the bacterium which causes syphilis. The previously unknown detaile... Read More

Evolutionary Arms Race Between Bacteria and Their Viruses in Soil

Viruses of soil bacteria (phages) evolve to improve their ability to infect the bacterial hosts that surround them. This is shown in a new study by Dutch researcher Michiel Vos, published in the journal Science. Phages appear to be better able to infect bacteria from the same small soil sample t... Read More

One Microbe as a Group of 200 Protein Machines

Molecular biology for years meant breaking down living cells to their smallest component parts, the genes and proteins that govern what a cell does. But a list of parts tells only so much. To understand how living cells really work, biologists are now trying to visualize how the parts are assemb... Read More

Salmonella: Drug-Resistant Strain of Bacteria Gains in Africa, With High Death Rates

A new drug-resistant strain of bacteria has emerged in the last decade in Africa and is causing unusual numbers of deaths there, British and African researchers said on Monday.

The strain, a variant of Salmonella typhimurium, is named ST313. Its genome was decoded by researchers from the Wel... Read More

Over-the-Counter Eye Drops Raise Concern Over Antibiotic Resistance

The use of antibiotic eye drops for conjunctivitis has increased by almost half since they became available over the counter at chemists in 2005, data obtained by Oxford University researchers has shown.

This is despite the fact that evidence from clinical trials from around the same time sho... Read More

Cell Phone Bacteria (video)

This spot done by Nicole Brady of KOB-TV in Albuquerque shows how many Germs can accumulate on your Cell Phone. Read More

How Bacteria Cause Disease (video)

Join Warren Levinson to learn about the various agents that cause infectious diseases: bacteria, viruses, fungi, protozoa and worms, with a focus on how bacteria are transmitted and cause disease, and how exotoxins and endotoxins cause symptoms of disease. Read More

Tests Find Chicken Often Contaminated, But Better Than Before

Two-thirds of store-bought chickens are contaminated with salmonella, campylobacter or both. That's according to the most recent testing done by consumer advocacy group Consumer's Union and described in January issue of Consumer Reports.

The results may not be as bad as you think. The contami... Read More

H1N1 vaccine: It's hard to prioritize in person

With the unanticipated shortage of the new H1N1 swine flu vaccine, my life as a practicing internist suddenly changed. My office phone began ringing off the hook with worried calls. Fear of the new, unknown vaccine was suddenly replaced by fear of not having it.

This panic was overblown, as t... Read More

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