THE GENETICS OF alpha-HYDROXYACID OXIDASE AND ALCOHOL DEHYDROGENASE IN THE MOUSE: EVIDENCE FOR MULTIPLE GENE LOCI AND LINKAGE BETWEEN Hao-2 AND Adh-3

1 School of Science, Griffith University, Nathan, 4111, Queensland, Australia

Electrophoretic polymorphisms for stomach alcohol dehydrogenase (ADH-C2) and kidney L-alpha-hydroxyacid oxidase (HAOX-B 4) have been identified in an Asian subspecies of mouse, Mus musculus castaneous. These variants are inherited in a normal Mendelian fashion with two alleles in each case showing codominant expression. The structural gene loci for those enzymes (Adh-3 and Hao-2, respectively) are apparently linked (17.6% recombinants) in this organism, whereas the multiple gene loci for HAOX, Hao-1 (encoding the A4 liver isozyme) and Hao-2, exhibited independent segregation and are unlinked (50% recombinants). Evidence is presented for 3 ADH loci: Adh-1, encoding liver ADH-A2 which exhibits high activity with ethanol (Selander, Hunt and Yang 1969; Adh-2, liver and stomach ADH-B 2 using 2-hexene-1-ol as substrate; and Adh-3, stomach ADH-C 2 using both benzyl alcohol and 2-hexene-1-ol as substrate.

Submitted on August 10, 1977




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