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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Souquere-Besse, S. et al.

Adenovirus infection targets the cellular protein kinase CK2 and RNA-activated protein kinase (PKR) into viral inclusions of the cell nucleus.

The effects of the adenovirus infection on the distribution of the cellular protein kinase CK2 and double-stranded RNA-activated protein kinase (PKR) were examined at the ultrastructural level. Immunogold labeling revealed the redistribution of CK2 subunits and PKR to morphologically distinct structures of the cell nucleus. The electron-clear amorphous structures, designated pIX nuclear bodies in our previous work (Rosa-Calatrava et al., 2001), contained CK2 alpha and PKR. The protein crystals, which result from the regular assembly of hexon, penton base, and fiber proteins [Boulanger et al. (1970) J Gen Virol 6:329-332], contained CK2 beta and PKR. Both viral structures were devoid of viral RNA, including the PKR-inhibitor VA1 RNA generated by the RNA polymerase III. Instead, VA1 RNA accumulated in PKR-free viral compact rings in which the viral RNA generated by the RNA polymerase II was excluded.[1]

References

Adenovirus infection targets the cellular protein kinase CK2 and RNA-activated protein kinase (PKR) into viral inclusions of the cell nucleus. Souquere-Besse, S., Pichard, E., Filhol, O., Legrand, V., Rosa-Calatrava, M., Hovanessian, A.G., Cochet, C., Puvion-Dutilleul, F. Microsc. Res. Tech. (2002) [Pubmed]

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