The DOI matches its Crossref record; 163 of the 163 references it cites were found in a registry or an index.
Hybridization, Introgression, and the Nature of Species Boundaries
Abstract
Species can be defined as populations that are diagnosably distinct, reproductively isolated, cohesive, or exclusive groups of organisms. Boundaries between species in sympatry are maintained by intrinsic barriers to gene exchange; these boundaries may not be uniform in space, in time, or across the genome. Here, we explore the nature of the species boundary, defined as the phenotypes/genes/genome regions that remain differentiated in the face of potential hybridization and introgression. We emphasize that species boundaries are semipermeable, with permeability (gene exchange) being a function of genome region. The early evidence for semipermeable species boundaries came from data on differential introgression in hybrid zones. This "genic view" of species was common in the hybrid zone literature even when few molecular markers were available to characterize genome-wide patterns of variation. Now, molecular tools allow detailed characterization of differentiation between diverging lineages and patterns of variation across natural hybrid zones, but the questions being asked by evolutionary biologists have remained much the same. Recent data (from DNA sequences and genotypes) reinforce earlier conclusions about the semipermeable nature of most species boundaries. However, debate persists over the nature and extent of genome divergence that accompanies speciation.
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Cites
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The complete genome sequence of a Neanderthal from the Altai Mountains
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Cited by
Insights from genomes into the evolutionary importance and prevalence of hybridization in nature
Taylor, S. A., & Larson, E. L. (2019) · Nature Ecology & Evolution · doi:10.1038/s41559-018-0777-y · Cited by 593
Adaptive introgression: a plant perspective
Suarez-Gonzalez, A., Lexer, C., & Cronk, Q. C. B. (2018) · Biology Letters · doi:10.1098/rsbl.2017.0688 · Cited by 389
Reproductive isolation and introgression between sympatric Mimulus species
Kenney, A. M., & Sweigart, A. L. (2016) · Molecular Ecology · doi:10.1111/mec.13630 · Cited by 76
15 years of introgression studies: quantifying gene flow across Eukaryotes
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Metadata
- Venue
- Journal of Heredity
- Publisher
- Oxford University Press (OUP)
- Published
- 2014-08-22
- Volume
- 105 Suppl 1
- Pages
- 795-809
- ISSN
- 0022-1503 (ISSN-L)
- 1465-7333
- OpenAlex
- W2077425680
- Cited by
- 745
- References
- 163
- FWCI
- 22.19
- Type
- journal article
- Language
- en
- Open access
- closed
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