Genetic polymorphism of human aconitase

Clive A. Slaughter, D. A. Hopkinson

Research output: Contribution to journalArticle

Abstract

The aconitase isozymes of human tissues have been investigated using the method of starch gel electrophoresis and specific staining methods. Two sets of isozymes have been identified: ACON M is associated with the mitochondria, ACON S is cytoplasmic. Variant phenotypes of both forms have been identified in population surveys using placentae and white cells. Family studies and sib pair data derived from non identical twins indicate that the variants can be accounted for in terms of allelic variation at 2 independent autosomal loci ACON S and ACON M. Data from somatic cell hybrids indicate a probable assignment of ACON S to human chromosome 9 and ACON M to some other autosome. The ACON S locus is polymorphic in Black populations; 3 common alleles ACON S1, ACON S2 and ACON S4 have been discovered with frequencies of about 0.85, 0.03 and 0.12 respectively. In Europeans only rare variant alleles have been identified and their combined incidence as heterozygotes is about 1%. Variants of ACON M are rare and have been found so far only in Black populations with a frequency of about 1 in 250. Comparisons of the biochemical properties of the isozymes are in progress.

Original languageEnglish (US)
JournalUnknown Journal
VolumeNo. 397
StatePublished - Jan 1 1976
Externally publishedYes

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Aconitate Hydratase
Genetic Polymorphisms
Isoenzymes
Alleles
Population
Starch Gel Electrophoresis
Chromosomes, Human, Pair 9
Monozygotic Twins
Hybrid Cells
Human Chromosomes
Heterozygote
Placenta
Mitochondria
incidence
Staining and Labeling
Phenotype
Incidence

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Genetic polymorphism of human aconitase. / Slaughter, Clive A.; Hopkinson, D. A.

In: Unknown Journal, Vol. No. 397, 01.01.1976.

Research output: Contribution to journalArticle

Slaughter, Clive A. ; Hopkinson, D. A. / Genetic polymorphism of human aconitase. In: Unknown Journal. 1976 ; Vol. No. 397.
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