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Symbiont-Driven Male Mating Success in the Neotropical Drosophila paulistorum Superspecies.
Behav Genet
January 2019
Department of Cell and Developmental Biology, Center of Anatomy and Cell Biology, Medical University of Vienna, Schwarzspanierstrasse 17, 1090, Vienna, Austria.
Microbial symbionts are ubiquitous associates of living organisms but their role in mediating reproductive isolation (RI) remains controversial. We addressed this knowledge gap by employing the Drosophila paulistorum-Wolbachia model system. Semispecies in the D.
View Article and Find Full Text PDFThe genus Drosophila is characterized by a large number of sibling species showing evolutionary significance.
J Genet
December 2016
Genetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi 221 005, India.
Mayr (1942) defined sibling species as sympatric forms which are morphologically very similar or indistinguishable, but which possess specific biological characteristics and are reproductively isolated. Another term, cryptic species has also been used for such species. However, this concept changed later.
View Article and Find Full Text PDFInfectious speciation revisited: impact of symbiont-depletion on female fitness and mating behavior of Drosophila paulistorum.
PLoS Pathog
December 2010
Laboratories of Genome Dynamics, Center of Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria.
The neotropical Drosophila paulistorum superspecies, consisting of at least six geographically overlapping but reproductively isolated semispecies, has been the object of extensive research since at least 1955, when it was initially trapped mid-evolution in flagrant statu nascendi. In this classic system females express strong premating isolation patterns against mates belonging to any other semispecies, and yet uncharacterized microbial reproductive tract symbionts were described triggering hybrid inviability and male sterility. Based on theoretical models and limited experimental data, prime candidates fostering symbiont-driven speciation in arthropods are intracellular bacteria belonging to the genus Wolbachia.
View Article and Find Full Text PDFTaxonomic boundaries, phylogenetic relationships and biogeography of the Drosophila willistoni subgroup (Diptera: Drosophilidae).
Genetica
June 2010
Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), CP 15053, Porto Alegre, Rio Grande do Sul, 91501-970, Brazil.
The Drosophila willistoni subgroup represents a complex with varying taxonomic levels. It encompasses D. willistoni and its five sibling species: D.
View Article and Find Full Text PDFDifferentiation between the ancestral and evolutionarily new polymorphism in populations of the superspecies complex of house mice Mus musculus sensu lato.
Dokl Biol Sci
February 2005
Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 119071 Russia.
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