Infectious, test tube-produced prions can jump the 'species barrier'

Researchers have shown that they can create entirely new strains of infectious proteins known as prions in the laboratory by simply mixing infectious prions from one species with the normal prion proteins of another species. The findings are reported in the September 5th issue of the journal Cell.

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<p><a href="http://www.physorg.com/news139747618.html">Infectious, test tube-produced prions can jump the 'species barrier'</a></p> <p>Researchers have shown that they can create entirely new strains of infectious proteins known as prions in the laboratory by simply mixing infectious prions from one species with the normal prion proteins of another species. The findings are reported in the September 5th issue of the journal <I>Cell</I>.</p>