Clinal variation in the specific activity of lactate dehydrogenase‐B

Douglas L. Crawford, Allen R. Place, Dennis A. Powers

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

LDH-B4 specific activity was determined from Fundulus heteroclitus collected in the field and from laboratory-acclimated fish from four latitudinally distinct populations. The differences in the enzyme activity between populations for both field-caught and laboratory-acclimated fish are significant, with the northern populations having the highest LDH-B4 enzyme activity. This clinal variation in enzyme activity is consistent with an evolutionary mechanism that compensates for lower environmental temperatures in colder northern latitudes.

Original languageEnglish (US)
Pages (from-to)110-113
Number of pages4
JournalJournal of Experimental Zoology
Volume255
Issue number1
DOIs
StatePublished - Jul 1990
Externally publishedYes

ASJC Scopus subject areas

  • Animal Science and Zoology

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