Advanced mouse embryos grown outside the uterus

To observe how a tiny ball of identical cells on its way to becoming a mammalian embryo first attaches to an awaiting uterine wall and then develops into nervous system, heart, stomach and limbs: This has been a highly-sought ...

From blank round to a potently active substance?

A long-forgotten candidate for antiviral therapy is undergoing a renaissance: Since the 1970s, the small molecule CMA has been considered a potent agent against viral infections, yet it was never approved for clinical use. ...

Scientists discover rare superfast muscles in mouse legs

You might think that only DC Comics superhero The Flash could run at a speed of 200 strides per second. But in the animal world, special muscles—called "superfast muscles"—can move as fast as Barry Allen.

Good housekeeping maintains a healthy liver

Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.

Engineering an enzyme against antibiotic-resistant anthrax

In the 2001 "Amerithrax" attacks, anthrax-causing spores were sent through the mail to media outlets and members of Congress, sickening at least 22 people and killing five. Antibiotic-resistant strains of the bacteria are ...

Cholera strain evolves new mechanism for causing disease

New clinical strains of cholera appear to have evolved a distinctly different mechanism to cause the same disease according to research published in the current issue of the online journal mBio.

Deadly virus's pathway to infect cells identified

Rift Valley fever virus causes economically devastating outbreaks of hemorrhagic fever in livestock such as sheep, goats and cattle. These mosquito-borne outbreaks lead to infection in people working with dead or dying animals, ...

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