Abstract:
:A locus (CPX) responsible for X-linked cleft palate and ankyloglossia was previously mapped to the proximal long arm of the X chromosome through DNA marker linkage studies in two large kindred: an Icelandic family and a British Columbia (B.C.) Native family. In this study, additional linkage analyses have been performed in the B.C. family and in a newly identified Manitoba Mennonite family with X-linked cleft palate and ankyloglossia. The Manitoba CPX locus maps to the same region as Icelandic and B.C. CPX. Two-point disease-to-marker linkage analyses in the Manitoba family indicate a maximum lod score (Zmax) between CPX and DXS349 (Zmax = 3.33 at theta = 0.0). In multipoint linkage analysis, combined data from the B.C. and Manitoba families suggest that the most likely location for CPX is at DXS447 in Xq21.1 (multipoint Z = 13.5). The support interval for CPX at DXS447 extends approximately from PGK1 to DXYS1 and includes a newly isolated polymorphic locus DXS1109.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Gorski SM,Adams KJ,Birch PH,Chodirker BN,Greenberg CR,Goodfellow PJdoi
10.1007/BF00202859subject
Has Abstractpub_date
1994-08-01 00:00:00pages
141-8issue
2eissn
0340-6717issn
1432-1203journal_volume
94pub_type
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