Fibre-fluorescence in situ hybridization unravels apparently seven DAZ genes or pseudogenes clustered within a Y-chromosome region frequently deleted in azoospermic males
被引:40
作者:
Gläser, B
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机构:Univ Freiburg, Inst Human Genet & Anthropol, D-79106 Freiburg, Germany
Gläser, B
Yen, PH
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机构:Univ Freiburg, Inst Human Genet & Anthropol, D-79106 Freiburg, Germany
Yen, PH
Schempp, W
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机构:Univ Freiburg, Inst Human Genet & Anthropol, D-79106 Freiburg, Germany
azoospermia factor;
DAZ gene family;
fibre-FISH;
human Y chromosome;
physical mapping;
D O I:
10.1023/A:1009256613348
中图分类号:
Q5 [生物化学];
Q7 [分子生物学];
学科分类号:
071010 ;
081704 ;
摘要:
Using the technique of 'fibre-FISH' (fluorescence in situ hybridization), we describe the direct visualization of seven longer DAZ signal stretches and in addition a maximum of four isolated single DAZ signals on Y-chromatin fibres of four different individuals. These seven longer DAZ signal stretches may represent seven DAZ genes or pseudogenes, whereas the single DAZ signals may represent truncated DAZ genes.