Summary
Deficiency of human fumarylacetoacetase (FAH) activity results in hereditary tyrosinemia type I. Using the restriction enzymes BglII, KpnI and StuI and a 1.3-kb cDNA probe for the FAH gene, we have found 6 restriction fragment length polymorphisms (RFLPs). These RFLPs were utilised in 3 tyrosinemia families in which one or both parents are carriers of both a tyrosinemia and a pseudodeficiency gene for FAH. Full information was obtained in two of these families. The polymorphisms identified 6 haplotypes. The haplotype distribution was significantly different in 32 unrelated tyrosinemia patients compared with a reference population of 100 individuals. The combined polymorphism information content was 0.77.
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Rootwelt, H., Kvittingen, E.A., Høie, K. et al. The human fumarylacetoacetase gene: characterisation of restriction fragment length polymorphisms and identification of haplotypes in tyrosinemia type 1 and pseudodeficiency. Hum Genet 89, 229–233 (1992). https://doi.org/10.1007/BF00217128
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DOI: https://doi.org/10.1007/BF00217128