Document Detail


Biogeography and population structure of the Neotropical endemic yeast species Metschnikowia lochheadii.
MedLine Citation:
PMID:  18536979     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The genetic structure of populations of the out-crossing haplontic yeast species Metschnikowia lochheadii was investigated. The species is associated with floricolous beetles in Central America and Hawaii. The objective was to determine whether sexual reproduction is prevalent and to what extent the geographic distribution of genotypes can be viewed as historical. The genetic markers examined include the mating type (h (+) or h (-)) and nine polymorphic DNA loci. The data were used to assess population structuring based on F (ST) and linkage disequilibrium and the distribution of alleles using parsimony haplotype networks. In Central America, M. lochheadii is subdivided into sexually active demes between which gene flow is limited. Isolates from five Hawaiian islands had identical haplotypes, confirming that the species has undergone a founder effect concomitant with the recent import of a nitidulid beetle into the archipelago.
Authors:
Marc-André Lachance; Diana Lawrie; Jessica Dobson; Jacqueline Piggott
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-06-06
Journal Detail:
Title:  Antonie van Leeuwenhoek     Volume:  94     ISSN:  0003-6072     ISO Abbreviation:  Antonie Van Leeuwenhoek     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-08-26     Completed Date:  2008-12-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372625     Medline TA:  Antonie Van Leeuwenhoek     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  403-14     Citation Subset:  IM    
Affiliation:
Department of Biology, University of Western Ontario, London, Ontario, Canada. lachance@uwo.ca
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MeSH Terms
Descriptor/Qualifier:
Alleles
Animals
Base Sequence
Beetles / microbiology
Costa Rica
DNA Primers / genetics
DNA, Fungal / genetics
DNA, Ribosomal / genetics
Ecosystem
Founder Effect
Gene Flow
Haploidy
Haplotypes
Hawaii
Linkage Disequilibrium
Metschnikowia / genetics,  isolation & purification*
Polymorphism, Single-Stranded Conformational
Recombination, Genetic
Tropical Climate
Chemical
Reg. No./Substance:
0/DNA Primers; 0/DNA, Fungal; 0/DNA, Ribosomal

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


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