Document Detail

Apparent absence of genetic differences among species of Teladorsagia (Nematoda: Trichostrongylidae).
MedLine Citation:
PMID:  2283469     Owner:  NLM     Status:  MEDLINE    
The technique of allozyme electrophoresis was applied to three species of Teladorsagia present in sheep to determine the extent of genetic variation among species. Thirty-four enzyme loci were established of which 22 were invariant and 12 were shown to be polymorphic. No fixed allelic differences were detected among the species and the level of polymorphism was within the range found commonly between populations of a single species. Therefore, the genetic data support breeding data and existing morphological evidence that T. circumcincta, T. davtiani and T. trifurcata as currently recognized do in fact belong to a single species.
R H Andrews; I Beveridge
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of helminthology     Volume:  64     ISSN:  0022-149X     ISO Abbreviation:  J. Helminthol.     Publication Date:  1990 Dec 
Date Detail:
Created Date:  1991-03-15     Completed Date:  1991-03-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  2985115R     Medline TA:  J Helminthol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  290-4     Citation Subset:  IM    
Department of Microbiology and Immunology, University of Adelaide, South Australia.
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MeSH Terms
Enzymes / analysis,  genetics*
Genetic Variation*
Polymorphism, Genetic
Sheep Diseases / parasitology*
Trichostrongyloidea / classification,  enzymology,  genetics*
Trichostrongyloidiasis / parasitology,  veterinary*
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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