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Article

Large-scale introgression shapes the evolution of the mating-type chromosomes of the filamentous ascomycete Neurospora tetrasperma.

PLoS genetics - 1 Jan 2012

Sun Yu, Corcoran Pádraic, Menkis Audrius, Whittle Carrie A, Andersson Siv G E, Johannesson Hanna

Abstract excerpt

The significance of introgression as an evolutionary force shaping natural populations is well established, especially in animal and plant systems. However, the abundance and size of introgression tracts, and to what degree interspecific gene flow is the result of adaptive processes, are largely unknown. In this study, we present medium coverage genomic data from species of the filamentous ascomycete Neurospora,...

Topics

Alleles
Chromosomes, Fungal
Evolution, Molecular
Fungi
Genes, Mating Type, Fungal
Genome, Fungal
Haploidy
Hybridization, Genetic
Neurospora
Phylogeny
Recombination, Genetic

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 22844246
DOI: 10.1371/journal.pgen.1002820
PMCID: PMC3406010

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Large-scale introgression shapes the evolution of the mating-type chromosomes of the filamentous ascomycete Neurospora tetrasperma.PMID 22844246Read ↗

Introgression maintains the genetic integrity of the mating-type determining chromosome of the fungus Neurospora tetrasperma.Semantic proximity Read ↗

The mating-type chromosome in the filamentous ascomycete Neurospora tetrasperma represents a model for early evolution of sex chromosomes.Semantic proximity Read ↗

Gene genealogies indicates abundant gene conversions and independent evolutionary histories of the mating-type chromosomes in the evolutionary history of Neurospora tetrasperma.Semantic proximity Read ↗

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Evidence of the accumulation of allele-specific non-synonymous substitutions in the young region of recombination suppression within the mating-type chromosomes of Neurospora tetrasperma.Semantic proximity Read ↗

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