Document Detail


Population genetics and identity of an introduced terrestrial slug: Arion subfuscus s.l. in the North-East USA (Gastropoda, Pulmonata, Arionidae).
MedLine Citation:
PMID:  16247689     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Several European species of the terrestrial slug genus Arion have been introduced into North America. A case in point is the species complex A. subfuscus s.l. which has become one of the most abundant slug taxa in North America. In Europe this complex consists of at least two cryptic species, viz. A. fuscus and A. subfuscus s.s., the latter of which is further subdivided in five strongly divergent mtDNA lineages (A. subfuscus S1-S5). In order to determine which of these A. subfsucus s.l. taxa are present in the NE USA and in order to assess their population genetic structure, we compared mtDNA, nDNA and allozyme variation between populations from the NE USA and Europe. Our results show that (1) at least A. subfuscus S1 has become successfully established in the NE USA, (2) founder effects are the most likely explanation for the loss of a large amount of molecular genetic variation in populations from the NE USA (i.e. a loss of 96% of the 16S rDNA haplotypes, 67% of the ITS1 alleles and 46% of the alleles at polymorphic allozyme loci), and (3) part of the remaining genetic variation in NE USA populations was probably due to multiple introductions from the British Isles and the European mainland, and the hybrid structure of most of these source populations. Apparently, the extreme loss of molecular genetic variation in this introduced species has not prevented it from successfully establishing and spreading in novel environments.
Authors:
Jan Pinceel; Kurt Jordaens; Natalie Van Houtte; Gary Bernon; Thierry Backeljau
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Genetica     Volume:  125     ISSN:  0016-6707     ISO Abbreviation:  Genetica     Publication Date:  2005 Nov 
Date Detail:
Created Date:  2005-10-25     Completed Date:  2006-01-25     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0370740     Medline TA:  Genetica     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  155-71     Citation Subset:  IM    
Affiliation:
Department of Biology, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium. jan.pinceel@ua.ac.be
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MeSH Terms
Descriptor/Qualifier:
Alleles
Animals
Base Sequence
DNA, Mitochondrial / genetics
DNA, Ribosomal / genetics
Europe
Founder Effect
Gastropoda / classification,  genetics*
Genetic Variation
Genetics, Population
Haplotypes
New England
Phylogeny
Species Specificity
Chemical
Reg. No./Substance:
0/DNA, Mitochondrial; 0/DNA, Ribosomal

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


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