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. 1976 Aug;73(8):2838–2842. doi: 10.1073/pnas.73.8.2838

Chromosome-mediated gene transfer between closely realted strains of cultured mouse cells.

G E Degnen, I L Miller, J M Eisenstadt, E A Adelberg
PMCID: PMC430768  PMID: 1066695

Abstract

Gene transfer between two closely related mouse cell lines has been carried out, using as the vector a cell-free preparation of metaphase chromosomes and nuclei. Distinction between gene transferents and revertants of the recipient mutant phenotype was achieved by the use of a donor strain carrying a mutationally altered (8-azaguanine-resistant) hypoxanthine-guanine phosphoribosyltransferase (HPRTase; IMP:pyrophosphate phosphoribosyltransferase, EC 2.4.2.8). The transferred HPRTase gene is initially unstable; in nonselective medium, it is lost at a rate of about 0.1 per cell per generation. Stabilization occurs as a rare event, with a frequency on the order of 1 X 10(-5) per cell per generation. The unstable state can be maintained for at least 200 generations through serial passages of the transferent in selective medium. Under the conditions of cultivation used in these experiments, the unstable HPRTase-positive cells are eventually replaced by the stable HPRTase-positive cells in the population.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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