Mapping of DNA markers close to the fraglle site on the human X chromosome at Xq25–3
Open Access
- 1 January 1987
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 15 (6) , 2639-2651
- https://doi.org/10.1093/nar/15.6.2639
Abstract
We report the identification of a new RFLP detected by the DNA probe MN12, which is linked to both the fragile site on the X chromosome at Xq27-3 and the highly polymorphic locus detected by Stl4 (DXS52). In situ mapping confirms the localisation of MN12 distal to the fragile site. A detailed physical analysis of this region of the X chromosome using pulsed-field gel electrophoresis has shown that MN12, Stl4 and DX13 (DXS15) are physically linked within a region of tyyOkb. A long range restriction map around the MN12 locus reveals at least two candidate HTF islands, suggesting the existence of expressed sequences in this region.Keywords
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