Lactate dehydrogenase of trout: Hybridization in vivo and in vitro

Erwin Goldberg*

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Speckled trout and lake trout contain five forms of lactate dehydrogenase, but a different electrophoretic distribution of isozymes characterizes each species. The hybrid splake, which is produced artificially by fertilizing lake trout eggs with speckled trout sperm, contains nine isozymes. This complement of isozymes in vivo could be produced in vitro by recombination of subunits from tissues of the parent species. In the splake trout, this complement is the result of heterozygosity at the gene locus responsible for synthesis of LDH-5. Extracts of trout eyes contain at least two additional forms of LDH which could not be demonstrated in other tissues.

Original languageEnglish (US)
Pages (from-to)1091-1093
Number of pages3
JournalScience
Volume151
Issue number3714
DOIs
StatePublished - Jan 1 1966

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