Detection of Variability at Isozyme Loci in Sea Lamprey, Petromyzon marinus

July 10, 1980 - Charles C. Krueger

Journal or Book Title: Canadian Journal of Fisheries and Aquatic Sciences

Keywords: isozyme; lamprey; Petromyzon; electrophoresis; population identification; polymorphism

Volume/Issue: 37

Page Number(s): 1630-1634

Year Published: 1980

Electrophoretic expression of 20 enzymes coded by a minimum of 30 gene loci is reported for sea lamprey. ADA, ADH. AGP, AAT, CPK, G6PDH, GAPDH, LDH. MDH, PEP, 6PCD, PGI, PGK, PGM, PK, PMI, and SDH yielded gel resolution satisfactory for use in future population studies. Six loci, AGP, !LZDH-1, PGI-I, PGI-2, PGi%f-l, and PlMI were polymorphic. Enzyme expresion did not vary between life stages (ammocoete vs. adult) or collection method (fresh frozen vs. TFM killed). Statistically significant genetic differences occurred between lamprey fronm Lake Superior, Oneida Lake, Lake Champlain, and Bay of Fundy drainages at one or more of the polymorphic loci.

Type of Publication: Journal Article

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Tag List
  • center for systems integration and sustainability,
  • electrophoresis,
  • isozyme,
  • lamprey,
  • petromyzon,
  • polymorphism,
  • population identification
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