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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 90, No. 3, 1995, pp. 359-366
Bioline Code: oc95072
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 90, No. 3, 1995, pp. 359-366

 en Use of isozyme patterns in the identification of Biomphalaria tenagophila (d'Orbigny, 1835) and B. occidentalis (Paraense, 1981) (gastropoda: planorbidae)
Douglas Mascara & Joao Stenghel Morgante

Abstract

Two sibling species of Biomphalaria, B. tenagophila and B.
occidentalis were identified using isozyme patterns obtained by
horizontal gel electrophoresis. Six diagnostic enzymatic loci
were identified in digestive gland homogenates. The results
enable us to distinguish the species, calculate the Nei's
coefficient of genetic similarity, atwl provide a basis for
making inferences about the pattern of these two plonorbid
species colonization and distribution.

Keywords
Biomphalaria tenagophila - Biomphalaria occidentalis- isoenzyme patterns- sibling species - biochemical taxonomy

 
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