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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3-4
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pubmed:dateCreated |
1983-7-8
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pubmed:abstractText |
A gene-dosage effect is characteristic of eukaryotic structural genes and is therefore useful in gene mapping. However, attributing quantitative variations in enzyme activity to a gene-dosage effect or other putative regulatory loci can be suspect when the locus in question may be inducible by variations in culture conditions. The problem of controlling for allele-specific variations in activity and regulation can be circumvented in Drosophila melanogaster by the use of synthetic duplications and deficiencies in conjunction with enzyme polymorphism. A method for constructing segmental aneupliods heterozygous for electrophoretic variants of octanol dehydrogenase (Odh) is presented which permitted variations in allozyme phenotype and enzyme activity--which show a strict dosage dependency--to be produced simultaneously. The structural gene region for Odh was identified using T(Y;A) stocks and the deficiency M(3)S31 was used to assign the locus to polytene band region 86D1-4. With this method a segmental aneuploid survey of Drosophila for purposes of gene localization can be accomplished in one generation with appropriate stocks.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
|
pubmed:issn |
0006-2928
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
21
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
375-90
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:6407472-Alcohol Oxidoreductases,
pubmed-meshheading:6407472-Alleles,
pubmed-meshheading:6407472-Aneuploidy,
pubmed-meshheading:6407472-Animals,
pubmed-meshheading:6407472-Chromosome Mapping,
pubmed-meshheading:6407472-Drosophila melanogaster,
pubmed-meshheading:6407472-Electrophoresis, Polyacrylamide Gel,
pubmed-meshheading:6407472-Female,
pubmed-meshheading:6407472-Genes,
pubmed-meshheading:6407472-Heterozygote,
pubmed-meshheading:6407472-Isoenzymes,
pubmed-meshheading:6407472-Male,
pubmed-meshheading:6407472-Phenotype
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pubmed:year |
1983
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pubmed:articleTitle |
Cytogenetic localization by variation in electrophoretic allozyme phenotype: Drosophila Odh.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.
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