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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

Two-Pronged Protein Attack Could Be Source of SARS Virulence

Ever since the previously unknown SARS virus emerged from southern China in 2003, University of Texas Medical Branch at Galveston virologists have focused on finding the source of the pathogen's virulence -- its ability to cause disease. In the 2003 epidemic, for example, between 5 and 10 percen... Read More

TWiP 2: General parasitism



Vincent and Dick classify parasites according to whether or not they are transmitted by a vector, then consider the implications of long-lived parasites.


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Pseudomonas aeruginosa

Pseudomonas aeruginosa infection Read More

From beer sludge to fish flakes

Andrew Logan has what every manufacturer craves: an endless source of free raw materials that his suppliers can't wait to dump and a market starving for his product.

Logan, a biologist in Idaho Springs, Colo., turns waste from breweries into a fish-food ingredient. His company, Oberon FMR, sp... Read More

In the darkest earth, smallest life teems

The urge to celebrate during the darkest part of the year - to feast, to sing and talk story about great stars (the sun), to burn candles for divinity or our own inner light - seems nearly universal. Our ancestors learned that the nights shortened as surely as they had lengthened, that the sun p... Read More

Heart Drug Helps To Beat Chagas, Leishmania Parasites

Amiodarone, a drug long used for treating irregular heart rhythms, can also be effective against Chagas disease and leishmaniasis skin lesions, according to Alberto Paniz-Mondolfi at Columbia University in New York, N.Y., and his collaborators in Venezuela. Both these parasitic diseases are ende... Read More

Scientists get up close to bacteria's toxic pumps

The spread of antibiotic resistance among bacteria is a growing problem, making certain diseases increasingly difficult to treat. New strategies for attacking the bacteria are needed, yet virtually no novel-mechanism antibiotics are currently in development.

Gram-negative bacteria - such as t... Read More

CDC connects H1N1, severe bacterial infections

Federal health officials on Wednesday linked the H1N1 flu epidemic to a sharp rise in the number of severe bacterial infections.

Anne Schuchat, a physician at the Centers for Disease Control and Prevention, said the national trend was "worrisome" but not unexpected.

"In previous pandemics,... Read More

Mini Microbe Portraits From the Micropolitan Museum

Tired of the portraits, landscapes and abstract art that peppers the walls of most art museums? According to Dutch photographer Wim von Egmond, there’s one art subject that has been ignored for centuries and finally deserves its due: microscopic organisms.

As the head of the Inst... Read More

Nat'l parks seek to share of profitable science

A soon-to-be-implemented policy for scientists who are permitted to conduct research in national parks will give the National Park Service a share of any profits from their work.

The policy is expected to go into effect early next year following more than a decade of concern and a lawsuit ove... Read More

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