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Biofuel to be Made from Tuberculosis Bacteria

A team of researchers at MIT are engineering a strain of bacteria, which is similar to the type that causes tuberculosis, to produce biofuel.

The researchers say that the bacteria are useful because they are hungry for a number of sugars and toxic compounds and produce lipids that can be conv... Read More

Probiotics: Looking Underneath the Yogurt Label

When the label tells you the food you are buying “contains probiotics,” are you getting health benefits or just marketing hype? Perhaps a bit of both.

Probiotics are live micro-organisms that work by restoring the balance of intestinal bacteria and raising resistance to harmful germs. Taken i... Read More

Where the Worst Germs Lurk

They lurk on the kitchen sponge, your computer keyboard and the dirty laundry. Flush the toilet and they become airborne. Strangers leave them behind on airplanes, gas pumps, shopping carts, coffeeshop counters and elevator buttons. Your desktop, office microwave handles, and the exercise bike a... Read More

Diverse fish reduce coral disease

Coral reefs where lots of different kinds of fish swim are healthier than overfished ones, scientists have shown.

Researchers showed a reduced incidence of coral disease in areas of the Philippines where fishing is banned, compared with neighbouring areas.

They conclude that some types of ... Read More

Light, Photosynthesis Help Bacteria Invade Fresh Produce

Exposure to light and possibly photosynthesis itself could be helping disease-causing bacteria to be internalized by lettuce leaves, making them impervious to washing, according to research published in the October issue of the journal Applied and Environmental Microbiology.

Salmonella enteri... Read More

The Naming Of Cronobacter Sakazakii


Enterobacter sakazakii, a gram-negative bacillus, is a rare cause of bloodstream and central nervous system infections. In 2007, following extensive study, it was proposed that the original taxonomy of Enterobacter sakazakii be revised, to consist of five new species moved to a new genus, ide... Read More

Don’t Blame Flu Shots for All Ills, Officials Say

As soon as swine flu vaccinations start next month, some people getting them will drop dead of heart attacks or strokes, some children will have seizures and some pregnant women will miscarry.

But those events will not necessarily have anything to do with the vaccine. That poses a public rela... Read More

Detailed Glimpse Of Chemoreceptor Architecture In Bacterial Cells

Using state-of-the-art electron microscopy techniques, a team led by researchers from Caltech has for the first time visualized and described the precise arrangement of chemoreceptors—the receptors that sense and respond to chemical stimuli—in bacteria. In addition, they have found that this spe... Read More

HIV’s Ancestors May Have Plagued First Mammals

The retroviruses which gave rise to HIV have been battling it out with mammal immune systems since mammals first evolved around 100 million years ago – about 85 million years earlier than previously thought, scientists now believe.

The remains of an ancient HIV-like virus have been discovered... Read More

New Antibacterial Chemical Compound Discovered

Antibiotic resistance has been a significant problem for hospitals and health-care facilities for more than a decade. But despite the need for new treatment options, there have been only two new classes of antibiotics developed in the last 40 years.

Now a promising discovery by McMaster Unive... Read More

Microbiology: Free-for-all On The Leaf Surface

For the first time, ETH Zurich scientists have examined the genes and proteins of bacteria that live on leaves to clarify which unicellular organisms are found on leaf surfaces and what they are doing there.

Bacteria are everywhere: in the ground, on the seabed, in boiling hot sources, in the... Read More

University of Toronto researchers identify how food-borne disease spreads between cells

University of Toronto researchers are part of an international team which has uncovered a previously unknown mechanism that plays an important role in the spread of listeria, the trigger behind the food-borne disease listeriosis, which caused a deadly outbreak in Canada in the summer of 2008.

... Read More

Intense tracking for swine flu shot's side effects

More than 3,000 people a day have a heart attack. If you're one of them the day after your swine flu shot, will you worry the vaccine was to blame and not the more likely culprit, all those burgers and fries?

The government is starting an unprecedented system to track possible side effects as... Read More

Sequencing-Based Approach Helps Map Genetic Interactions in Bacteria

Researchers from the Howard Hughes Medical Research Institute and the Tufts University School of Medicine reported in the advance, online edition of Nature Methods this week that they have come up with a method for identifying genes needed for bacterial survival — and mapping genetic interaction... Read More

A Better Bug for Biofuels

While most attempts to engineer biofuel-producing microbes have focused on well-known organisms such as yeasts and E. coli, scientists also hope to co-opt the unique metabolic functions of some of the microbial world's less-studied creatures. Anthony Sinskey and his team at MIT have been catalog... Read More

C. difficile hypervirulence genes identified

Five genetic regions have been identified that are unique to the most virulent strain of Clostridium difficile (C. difficile), the hospital superbug. Researchers writing in BioMed Central's open access journal Genome Biology studied the genome of the bacterium, looking for genes relating to moti... Read More

Engineers Track Bacteria's Kayak Paddle-like Motion For First Time

Yale engineers have for the first time observed and tracked E. coli bacteria moving in a liquid medium with a motion similar to that of a kayak paddle.

Their findings, which appear online September 29 in the journal Physical Review Letters, will help lead to a better understanding of how bact... Read More

Arctic bacteria may point to oil deposits

The discovery of heat-loving bacteria in cold Arctic Ocean sediments could lead to development of a tool to help explorers detect oil and gas riches under the ocean’s floor, according to a Calgary-educated scientist.

But University of Calgary graduate Casey Hubert admits the application, whil... Read More

New Way Deadly Food-borne Bacteria Is Spread

University of Central Florida Microbiology Professor Keith Ireton has uncovered a previously unknown mechanism that plays an important role in the spread of a deadly food-borne bacterium.

Listeria monocytogenes is a bacterium that can cause pregnant women to lose their fetuses and trigger fat... Read More

New chemically-activated antigen could expedite development of HIV vaccine

Scientists working to develop a vaccine for the human immunodeficiency virus (HIV) report they have created the first antigen that induces protective antibodies capable of blocking infection of human cells by genetically-diverse strains of HIV. The new antigen differs from previously-tested vacc... Read More

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