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Clostridium perfringens

Clostridium perfringens. Gram stain from young culture (1000X) Read More

Vaccine to Protect Pregnant Women from Contracting Malaria?

Researchers at the University of Copenhagen have become the first in the world to synthesize the entire protein that is responsible for life-threatening malaria in pregnant women and their unborn children. The protein known as VAR2CSA enables malaria parasites to accumulate in the placenta and c... Read More

Australians On Guard against Acinetobacter

Australian researchers are scrambling to develop drugs to fight off Acinetobacter baumanii, a new "superbug" that is causing fatalities overseas.

Experts say Acinetobacter is far worse than superbugs such as MRSA, which are already in Australian hospitals.

Australian health authorities sa... Read More

Origin of the cell nucleus, mitosis and sex: roles of intracellular coevolution

Thomas Cavalier-Smith, Department of Zoology, University of Oxford, has published a paper in which he identifies some of the key elements to understanding eukaryogenesis.

"Here I paint an integrated picture of how the nucleus, sex, and the eukaryotic cell cycle originated and congealed into ... Read More

Fecal Odor May Yield Faster Test for Diarrhea Bug

A new device that sniffs out malodorous bacteria in stool samples may yield the first rapid test for a potentially lethal diarrheal disease spreading across North America and Europe.

The OdoReader can detect the bacterium Clostridium difficile in about 10 minutes with 96 percent accuracy, sai... Read More

Scientists create artificial honey bee silk

Using genetically modified bacteria, a team of Australian researchers has created artificially produced honey bee silk.

"The silks would be good for tough, lightweight textiles, and high-strength applications like advanced aviation and marine composites," ABC Science quoted CSIRO entomologis... Read More

Bacteria Toxic to Wound-Treating Maggots

Bacteria that infect chronic wounds can be deadly to maggot 'biosurgeons' used to treat the lesions, show researchers writing in the journal Microbiology. The findings could lead to more effective treatment of wounds and the development of novel antibiotics.

Scientists from the Copenhagen Wou... Read More

NSF & Microsoft team up to bring cloud computing to U.S. scientists

The new three-year program from the National Science Foundation and Microsoft announced on Thursday at a news conference in Washington offers scientists the computing power to cope with exploding amounts of research data. It uses Microsoft’s Windows Azure computing system, which the company rece... Read More

President Obama Announces Three Steps to Boost Biofuels

President Barack Obama announced on February 3 three actions that the federal government is taking to boost U.S. biofuels production. The measures include: the final rule from the U.S. Environmental Protection Agency (EPA) to implement the Renewable Fuels Standard (RFS) of 36 billion gallons by ... Read More

Immune Protein Fends Off Exotic Virus

A study published online on February 1 in the Journal of Experimental Medicine shows that antiviral proteins called type I interferons (IFNs) are needed to fend off infection with an exotic mosquito-borne virus called Chikungunya virus.

This pathogen, which causes high fevers and severe joint... Read More

Too many seniors not immunized against pneumonia, report says

Pneumonia is by far the leading killer of seniors who contract either seasonal or pandemic H1N1 influenza, but far too many of the elderly are not immunized against it, according to a report issued Thursday by the Infectious Diseases Society of America, the Robert Wood Johnson Foundation and the... Read More

Tracheal aspirate

Tracheal aspirate. Gram stain smear (1200X) Read More

New virus-detecting lab on a chip gets even better

A team of engineers and chemists at Brigham Young University has created a silicon microchip they say can reliably detect specific proteins or viruses from even small samples at low concentrations. Their invention, which is forthcoming in the paper version of the journal Lab on a Chip, work... Read More

Toxicology of the Tiny

Already incorporated into consumer products ranging from baseball bats and clothing to sunscreens and toothpaste, engineered nanoparticles — ENPs — hold great promise in such areas as energy, pollution remediation, medicine and materials science. The nanotechnology industry is projected to be wo... Read More

Detecting disease with a little TLC

A simple, low cost method to detect toxins from the organism causing the wasting disease Buruli ulcer has been developed by US scientists.

Buruli ulcer is a wasting disease caused by organisms called Mycobacterium Ulcerans, which are in the same group as the organisms causing leprosy and tub... Read More

Chemists Discover How Antiviral Drugs Bind to and Block Flu Virus

Antiviral drugs block influenza A viruses from reproducing and spreading by attaching to a site within a proton channel necessary for the virus to infect healthy cells, according to a research project led by Iowa State University's Mei Hong and published in the Feb. 4 issue of the journal Nature... Read More

Molecule Allows Malaria Parasite to Commandeer Red Blood Cells

Two groups of Howard Hughes Medical Institute (HHMI) scientists working independently have identified a critical enzyme that allows the malaria-causing parasite, Plasmodium falciparum, to take over and thrive in human red blood cells. The enzyme plasmepsin V (PMV) is a gatekeeper inside the ... Read More

Activated Sludge

Activated sludge. Note the bacterial rods and filament within the floc. (5000X) Read More

'Living beach ball' is giant single cell

In the late summer of 1882, a ship called the Triton cruised the chilly seas north of Scotland. As it went, it dredged the sea bed for specimens of unknown creatures, under the guidance of the oceanographer John Murray.

Two of the specimens were strange enough that Murray sent them to his col... Read More

Now playing: Viral plaque formation

One of the most important procedures in virology is measuring the virus titer – the concentration of viruses in a sample. A widely used approach for determining the quantity of infectious virus is the plaque assay. In this technique, the spread of progeny viruses released by individually infecte... Read More

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