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A testis-specific lactate dehydrogenase in the pipid frog, Hymenochirus boettgeri

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Summary

Lactate dehydrogenase zymograms of mature testes ofHymenochirus boettgeri show in addition to the five isozymes composed of LDH-A and LDH-B subunits, a second 5-band system which is due to isozymes formed between LDH-A and a third subunit, LDH-C. These testis-specific LDH-C isozymes appear around 6 months after metamorphosis indicating that their expression is correlated with sexual maturity as is generally the case in mammals. This is the first report of a testis-specific LDH isozyme in a lower tetrapod; such isozymes have hitherto only been reported in mammals and in the pigeon.

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Authors and Affiliations

  1. Laboratoire de Génétique Animale et Végétale, Université de Genève, CH-1224, Chêne-Bougeries, Switzerland

    J. Wolff & H. R. Kobel

Authors
  1. J. Wolff
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  2. H. R. Kobel
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Additional information

This study was supported by a grant from the Fond National Suisse de la Recherche Scientifique to H.R.K. We thank M. Sateur and F. Bourquin for their technical help.

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Wolff, J., Kobel, H.R. A testis-specific lactate dehydrogenase in the pipid frog, Hymenochirus boettgeri. Experientia 41, 1175–1176 (1985). https://doi.org/10.1007/BF01951714

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