Title |
Human δ-aminolevulinate dehydratase: chromosomal localization to 9q34 by in situ hybridization
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Published in |
Human Genetics, July 1987
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DOI | 10.1007/bf00283614 |
Pubmed ID | |
Authors |
Venkateswara R. Potluri, Kenneth H. Astrin, James G. Wetmur, David F. Bishop, Robert J. Desnick |
Abstract |
The structural gene for human delta-aminolevulinate dehydratase (ALA-D) has been localized to chromosomal region 9q34 by in situ hybridization using a [125I]-labeled human delta-aminolevulinate dehydratase cDNA. Of the 150 silver grains analyzed, 25% were localized to chromosome 9q, while 12% and 8% were on chromosomes 1p and 13q, respectively. The single chromosomal region q34 had over 90% of the total grains observed on chromosome 9. In contrast, the grains on chromosomes 1p and 13q were dispersed, consistent with the absence of any human ALA-D pseudogenes. Southern blot analysis of somatic cell hybrids informative for ALA-D (Wang et al. 1985) also was consistent and supported the finding of only one locus for this heme biosynthetic enzyme. |
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Geographical breakdown
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Demographic breakdown
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