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Biochemical genetics and taxonomy in Plumatella fungosa and P. repens (Bryozoa: Phylactolaemata)
Author(s) -
MUNDY S. P.,
THORPE J. P.
Publication year - 1979
Publication title -
freshwater biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.297
H-Index - 156
eISSN - 1365-2427
pISSN - 0046-5070
DOI - 10.1111/j.1365-2427.1979.tb01498.x
Subject(s) - repens , biology , bryozoa , taxonomy (biology) , locus (genetics) , zoology , malate dehydrogenase , botany , evolutionary biology , agropyron , ecology , genetics , enzyme , gene , biochemistry
SUMMARY. Some authors have recently concluded that, using morphological criteria, the freshwater bryozoans Plumatella repens and P. fugosa cannot be separated and should be regarded as conspecific. To test this conclusion, electrophoretic techniques have been used to examine genetic differences between the two nominate species at several enzyme loci. Significant variation at a malate dehydrogenase locus and three aminopeptidase loci establish beyond doubt that P. repens and P. fugosa are separate but related species. No significant variation was found between two populations of P. repens . Morphological characters for the distinction of the two species are discussed and evaluated.