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Genetic Basis of Y-Linked Hearing Impairment
Author(s) -
Qiuju Wang,
Yali Xue,
Goo Jun,
Quan Long,
Asan,
Fengtang Yang,
Daniel J. Turner,
Tomas Fitzgerald,
Bee Ling Ng,
Yali Zhao,
Yuan Chen,
Qing-Jie Liu,
Yang Wei–yan,
Dongyi Han,
Michael A. Quail,
Harold Swerdlow,
John H. Burton,
Ciara Fahey,
Zemin Ning,
Matthew E. Hurles,
N. P. Carter,
Huanming Yang,
Chris TylerSmith
Publication year - 2013
Publication title -
the american journal of human genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.661
H-Index - 302
eISSN - 1537-6605
pISSN - 0002-9297
DOI - 10.1016/j.ajhg.2012.12.015
Subject(s) - chromosome 22 , chromosome 21 , genetics , biology , locus (genetics) , chromosome 16 , gene duplication , chromosome , chromosome 15 , chromosome 17 (human) , chromosome 4 , chromosome 19 , chromosome 12 , chromosome 3 , gene
A single Mendelian trait has been mapped to the human Y chromosome: Y-linked hearing impairment. The molecular basis of this disorder is unknown. Here, we report the detailed characterization of the DFNY1 Y chromosome and its comparison with a closely related Y chromosome from an unaffected branch of the family. The DFNY1 chromosome carries a complex rearrangement, including duplication of several noncontiguous segments of the Y chromosome and insertion of ∼160 kb of DNA from chromosome 1, in the pericentric region of Yp. This segment of chromosome 1 is derived entirely from within a known hearing impairment locus, DFNA49. We suggest that a third copy of one or more genes from the shared segment of chromosome 1 might be responsible for the hearing-loss phenotype.

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