Front Page | New Lead for Sporadic CJD Cause; Enlisting Evolutionary Help; Science Seen

Courtesy of Astrid & Hanns-Frieder Michler/Science, Photo Library
A cross section of a madonna lily anther shows four pollen sacs filled with pollen grains (blue dots with red nuclei). Some of the pollen grains of this Lilium candidum are undergoing meiosis, the process whereby a normal diploid cell divides to form four haploid cells, called gametes.


Courtesy of Keith Weller/ARS Photo Library


PRION RESEARCH | New Lead for Sporadic CJD Cause
A recent murine study suggests that the sporadic form of Creutzfeldt-Jakob disease (CJD) might be caused by meat infected with bovine spongiform encephalopathy. The work of prion specialist John Collinge, Kings College, London, contradicts the prior consensus of the prion community, which held that only the variant form of CJD (vCJD) can be attributed to BSE-infected beef, with the sporadic causes...

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