Abstract
Human phosphofructokinase (PFK; EC 2.7.1.11) is under the control of three structural loci which encode muscle-type (M), liver-type (L), and platelet-type (P) subunits; human diploid fibroblasts and leukocytes express all three loci. In order to assign human PFKMlocus to a specific chromosome we have analyzed human × Chinese hamster somatic cell hybrids for the expression of human M subunits, using an anti-human M subunit-specific mouse monoclonal antibody. In 18 of 19 hybrids studied, the expression of the PFKMlocus segregated concordantly with the presence of chromosome 1 (discordancy rate 0.05) as indicated by chromosome and isozyme marker analysis. The discordancy rates for all the other chromosomes were 0.32 or greater, indicating that the PFKMlocus is on chromosome 1. For the regional mapping of PFKM,eight hybrids were studied that contained one of five distinct regions of chromosome 1. These results further localize the human PFKMlocus to region cen→q32 of chromosome 1.
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Vora, S., Durham, S., de Martinville, B. et al. Assignment of the human gene for muscle-type phosphofructokinase (PFKM) to chromosome 1 (region cen→q32) using somatic cell hybrids and monoclonal anti-M antibody. Somat Cell Mol Genet 8, 95–104 (1982). https://doi.org/10.1007/BF01538653
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DOI: https://doi.org/10.1007/BF01538653