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Molecular correlates of the murine Xce locus

Published online by Cambridge University Press:  01 December 1998

PHILIP AVNER
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
MARINE PRISSETTE
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
DANIELLE ARNAUD
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
BÉATRICE COURTIER
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
CHIARA CECCHI
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
EDITH HEARD
Affiliation:
Unité de Génétique Moléculaire Murine, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France

Abstract

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The murine Xce locus, first identified by Bruce Cattanach, infiuences the primary choice of the X chromosome to be inactivated. Methylation of a GC-rich region (DXPas34) that includes multiple 34 bp repeats and lies some 15 kb 3′ to Xist has been shown to vary with Xce haplotype. The degree of methylation on the active X chromosome at this locus represents one of the few molecular correlates of Xce action currently available. Data relating to the specificity and other characteristics of this association are presented.

Type
Research Article
Copyright
© 1998 Cambridge University Press