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J Virol. 1989 September; 63(9): 3651-3660

Interactions of minute virus of mice and adenovirus with host nucleoli.

T H Walton, P T Moen Jr, E Fox and J W Bodnar

Department of Biology, Northeastern University, Boston, Massachusetts 02115.

ABSTRACT

Biochemical evidence is presented that both minute virus of mice (MVM) and adenovirus interact with the nucleolus during lytic growth and that MVM can also target specific changes involving nucleolar components in adenovirus-infected cells. These virus-nucleolus interactions were studied by analysis of intranuclear compartmentalization of both viral DNAs and host nucleolar proteins: (i) MVM in mouse cells (its normal host) replicates its DNA in the host nucleoli; (ii) specific nucleolar proteins as well as small nuclear ribonucleoprotein antigens are recompartmentalized to multiple intranuclear foci in adenovirus-infected HeLa cells; and (iii) when adenovirus helps MVM DNA replication in a nonpermissive human cell (HeLa), the MVM DNA is also recompartmentalized for synthesis. The data suggest mechanisms for disruption of nucleolar function common to oncogenic or oncolytic virus lytic growth and cell transformation.

J Virol. 1989 September; 63(9): 3651-3660




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