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Type of publication: Journal Article
Type of document: Full Paper

Year: 2008

Authors: Nolte, V; Schlötterer, C

Title: African Drosophila melanogaster and D. simulans populations have similar levels of sequence variability, suggesting comparable effective population sizes.

Source: Genetics. 2008; 178(1):405-412

Authors Vetmeduni Vienna:

Schlötterer Christian

Vetmed Research Units
Institute of Population Genetics

Drosophila melanogaster and D. simulans are two closely related species with a similar distribution range. Many studies suggested that D. melanogaster has a smaller effective population size than D. simulans. As most evidence was derived from non-African populations, we readdressed this question by sequencing 10 X-linked loci in five African D. simulans and six African D. melanogaster populations. Contrary to previous results, we found no evidence for higher variability, and thus larger effective population size, in D. simulans. Our observation of similar levels of variability of both species will have important implications for the interpretation of patterns of molecular evolution.

Keywords Pubmed: Africa
Base Sequence
Drosophila melanogaster/classification*
Drosophila melanogaster/genetics*
Genetic Drift
Genetic Variation*
Linkage Disequilibrium/genetics
Population Density
Population Dynamics

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