Transcribed sequences encoded in the region involved in contiguous deletion syndrome that comprises X-linked stapes fixation and deafness
We have used a direct cDNA selection protocol to isolate expressed sequences from yeast artificial chromosome clones that contain approximately 900 Kb of genomic DNA from Xq21 band that is deleted in contiguous gene syndromes comprising of mixed deafness associated with stapes fixation (DFN3). In ad...
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| Veröffentlicht in: | Somatic cell and molecular genetics 1996-11, Vol.22 (6), p.511-517 |
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| container_title | Somatic cell and molecular genetics |
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| creator | Kandpal, G Jacob, A N Kandpal, R P |
| description | We have used a direct cDNA selection protocol to isolate expressed sequences from yeast artificial chromosome clones that contain approximately 900 Kb of genomic DNA from Xq21 band that is deleted in contiguous gene syndromes comprising of mixed deafness associated with stapes fixation (DFN3). In addition to identifying Brn4 (POU3f4), a POU domain containing transcription factor that is involved in DFN3 phenotype, we have isolated seven short fragment cDNAs mapping to the deleted region. Some of the selected fragments showed X-chromosome specificity and hybridized to autosomal DNA fragments, indicating the presence of a low abundance interspersed repeat in the cDNAs or their homology to some uncharacterized family of genes. In conformity with the inertness of Xq21 band our results demonstrate that the region encodes far less than the average density of genes in other parts of the genome. |
| doi_str_mv | 10.1007/BF02369442 |
| format | Article |
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In addition to identifying Brn4 (POU3f4), a POU domain containing transcription factor that is involved in DFN3 phenotype, we have isolated seven short fragment cDNAs mapping to the deleted region. Some of the selected fragments showed X-chromosome specificity and hybridized to autosomal DNA fragments, indicating the presence of a low abundance interspersed repeat in the cDNAs or their homology to some uncharacterized family of genes. 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| ispartof | Somatic cell and molecular genetics, 1996-11, Vol.22 (6), p.511-517 |
| issn | 0740-7750 1572-9931 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Branchio-Oto-Renal Syndrome - genetics Chromosome Banding Chromosomes, Artificial, Yeast DNA, Complementary - genetics DNA, Complementary - isolation & purification Genetic Linkage Genome, Human Humans Sequence Analysis, DNA X Chromosome |
| title | Transcribed sequences encoded in the region involved in contiguous deletion syndrome that comprises X-linked stapes fixation and deafness |
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