Biochemical Genetics

, Volume 19, Issue 3–4, pp 301–309 | Cite as

A mutation affecting the lactate dehydrogenase locus Ldh-1 in the mouse—I. Genetical and electrophoretical characterization

  • Daniel J. Charles
  • Walter Pretsch


(101/El × C3H/El)F1 male mice were injected intraperitoneally with the mutagen procarbazine hydrochloride and immediately caged with untreated test-stock females. Crude liver extracts from the offspring were subjected to polyacrylamide gel isoelectric focusing, and the gels were stained for six enzymes. In the experimental group (mutagen treated spermatogonial germ-cell stage), a dominant inherited banding alteration of the lactate dehydrogenase (LDH) pattern was detected. By crossing the heterozygous mutants, homozygotes were obtained that showed much less gel staining intensity. The mutation is codominantly expressed with 100% penetrance. The banding alteration was also observed in muscle, kidney, heart, blood, brain, testis, spleen, and lung. Polyacrylamide gel electrophoresis was performed with all the tissues examined. The mutation causes the intensity of the band corresponding to LDH-A (primary molecular form in muscle) to decrease from that of the wild type, while the intensity of the bands corresponding to LDH-B (primary molecular form in heart) remains constant. It is concluded that the mutation affects the locus coding for LDH of the muscle type. Ldh-1c is proposed as the allele symbol.

Key words

mouse lactate dehydrogenase mutant genetics isoelectric focusing and electrophoresis 


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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • Daniel J. Charles
    • 1
  • Walter Pretsch
    • 1
  1. 1.Institut für Genetik, Gesellschaft für Strahlen- und UmweltforschungNeuherbergFederal Republic of Germany

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