Summary
Electrophoretic patterns of lactate dehydrogenase (EC 1.1.1.27) from adult testes show the existence of three different phenotypes for the isozyme X or C4 in populations of racing homer pigeons. These phenotypes are the expression of two different alleles at the Ldh c locus. Analysis of electrophoretic patterns of lactate dehydrogenase from lysates of mature spermatozoa isolated from pigeons heterozygous at the Ldh c locus indicates that the two different alleles are expressed in haploid cells. It is concluded that transcription of the gene coding for isozyme X must occur only in pre-meiotic cells.
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This work has been supported, in part, by grants from the Consejo National de Investigaciones Científicas y Técnicas (CONICET) of Argentina and the Fundacion Lucio Cherny (Argentina).
A.A. and A.B. are Career Investigators of the CONICET.
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Moreno, J., Gardenal, C.N., Aoki, A. et al. Expression of lactate dehydrogenase isozyme X in haploid cells of pigeon testis. Mol Cell Biochem 30, 87–91 (1980). https://doi.org/10.1007/BF00227922
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DOI: https://doi.org/10.1007/BF00227922