Prions are biological anomalies – self-replicating, not-alive little particles that can misfold into an unstoppable juggernaut of fatal disease. Prions don't contain genes, and yet they make more of ...

This is the first article in a series on viroids. Viruses, bacteria, and fungi; most people will have heard of these three major types of disease-causing microbes. Some will also have heard about ...

Mad cow disease, chronic wasting disease and similar ailments are all thought to be caused by misshapen forms of special proteins known as prions. In the case of chronic wasting, research shows ...

Vacuoles of varying sizes in the frontal cortex were seen on staining with hematoxylin and eosin (Panel A). Several deposits of abnormal prion protein (Panel B, arrows) were seen on ...

La Jolla, Calif.- The mysterious, highly infectious prions, which cause the severe destruction of the brain that characterizes "mad cow disease" and several human brain degenerative disorders, can be ...

Yeast prions are increasingly recognised as pivotal agents in non-Mendelian inheritance, whereby protein conformations rather than nucleic acids dictate heritable traits. In Saccharomyces cerevisiae ...