ArticleGenetics2003
Inferences on the evolutionary history of the Drosophila americana polymorphic X/4 fusion from patterns of polymorphism at the X-linked paralytic and elav genes.
Article in Genetics, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Chromosomal Rearrangements and Satellite DNAs: Extensive Chromosome Reshuffling and the Evolution of Neo-Sex Chromosomes in the GenusInternational journal of molecular sciences · 2023Article
- Recent Evolution of a Maternally Acting Sex-Determining Supergene in a Fly with Single-Sex Broods.Molecular biology and evolution · 2023Article
- Article
- Shared evolutionary trajectories of three independent neo-sex chromosomes inGenome research · 2021Article
- Genomic organization of repetitive DNAs and its implications for male karyotype and the neo-Y chromosome differentiation in Erythrinus erythrinus (Characiformes, Erythrinidae).Comparative cytogenetics · 2014Article
- Progressive recombination suppression and differentiation in recently evolved neo-sex chromosomes.Molecular biology and evolution · 2013Article
- Chromosomal mapping of microsatellite repeats in the rock bream fish Oplegnathus fasciatus, with emphasis of their distribution in the neo-Y chromosome.Molecular cytogenetics · 2013Article
- Drosophila americana as a model species for comparative studies on the molecular basis of phenotypic variation.Genome biology and evolution · 2013Article
- Cross-species chromosome painting tracks the independent origin of multiple sex chromosomes in two cofamiliar Erythrinidae fishes.BMC evolutionary biology · 2011Article
- Local adaptation for body color in Drosophila americana.Heredity · 2011Article
- Patterns of molecular variation and evolution in Drosophila americana and its relatives.Genetics · 2007Article
Corrections and comments
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Authors and funding
3 authors.
Funding
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Abstract
In Drosophila there is limited evidence on the nature of evolutionary forces affecting chromosomal arrangements other than inversions. The study of the X/4 fusion polymorphism of Drosophila americana is thus of interest. Polymorphism patterns at the paralytic (para) gene, located at the base of the X chromosome, suggest that there is suppressed crossing over in this region between fusion and nonfusion chromosomes but not within fusion and nonfusion chromosomes. These data are thus compatible with previous claims that within fusion chromosomes the amino acid clines found at fused1 (also located at the base of the X chromosome) are likely maintained by local selection. The para data set also suggests a young age of the X/4 fusion. Polymorphism data on para and elav (located at the middle region of the X chromosome) suggest that there is no population structure other than that caused by the X/4 fusion itself. These findings are therefore compatible with previous claims that selection maintains the strong association observed between the methionine/threonine variants at fused1 and the status of the X chromosome as fused or unfused to the fourth chromosome.
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