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. 1980 Aug;77(8):4895–4898. doi: 10.1073/pnas.77.8.4895

Inactive X chromosome DNA does not function in DNA-mediated cell transformation for the hypoxanthine phosphoribosyltransferase gene.

R M Liskay, R J Evans
PMCID: PMC349955  PMID: 6933537

Abstract

The molecular nature of the X chromosome inactivation process has been investigated by utilizing the techniques of DNA-mediated cell transformation of the X-linked hypoxanthine phosphoribosyltransferase (HPRT) locus. The findings indicate that purified DNA from the inactive X chromosome of a near-euploid mouse cell line is not functional in transformation for HPRT, but the DNA from its "homologous" active X readily elicits transformation for HPRT in the same hamster cell recipient. These findings suggest that there is a difference between the DNA, per se, of the active and inactive X at (or near) the HPRT locus and that this difference could account, at least in part, for its inactivation.

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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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