Trends Biotechnol. 1997 Aug;15(8):297-301.

Integration of foreign DNA and its consequences in mammalian systems.

Doerfler W, Schubbert R, Heller H, Kämmer C, Hilger-Eversheim K, Knoblauch M, Remus R.

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Institut für Genetik, Universität zu Köln, Germany. doerfler@scan.genetik.uni-koeln.de

Abstract

The insertion of foreign DNA into the genomes of established cells and organisms and the consequences of this integration event are of significance for viral oncology, reverse genetics, transgenic organisms, human somatic gene therapy and evolution. This review summarizes recent experimental findings and focuses on the alteration of cellular DNA methylation at regions remote from the site of insertion. We also discuss experimental data demonstrating that foreign DNA ingested by mice is not completely degraded in their gastrointestinal tracts; fragments of this DNA have been found to be covalently linked to DNA with 70% homology to the mouse IgE receptor gene.

PMID:: 9263477; [PubMed - indexed for MEDLINE]

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DNA, Recombinant

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