Data from: The consequences of an introgression event

Barton NH. 2019. Data from: The consequences of an introgression event, Dryad, 10.5061/dryad.2kb6fh4.

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Abstract
The spread of adaptive alleles is fundamental to evolution, and in theory, this process is well‐understood. However, only rarely can we follow this process—whether it originates from the spread of a new mutation, or by introgression from another population. In this issue of Molecular Ecology, Hanemaaijer et al. (2018) report on a 25‐year long study of the mosquitoes Anopheles gambiae (Figure 1) and Anopheles coluzzi in Mali, based on genotypes at 15 single‐nucleotide polymorphism (SNP). The species are usually reproductively isolated from each other, but in 2002 and 2006, bursts of hybridization were observed, when F1 hybrids became abundant. Alleles backcrossed from A. gambiae into A. coluzzi, but after the first event, these declined over the following years. In contrast, after 2006, an insecticide resistance allele that had established in A. gambiae spread into A. coluzzi, and rose to high frequency there, over 6 years (~75 generations). Whole genome sequences of 74 individuals showed that A. gambiae SNP from across the genome had become common in the A. coluzzi population, but that most of these were clustered in 34 genes around the resistance locus. A new set of SNP from 25 of these genes were assayed over time; over the 4 years since near‐fixation of the resistance allele; some remained common, whereas others declined. What do these patterns tell us about this introgression event?
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2019-01-09
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Barton NH. Data from: The consequences of an introgression event. 2019. doi:10.5061/dryad.2kb6fh4
Barton, N. H. (2019). Data from: The consequences of an introgression event. Dryad. https://doi.org/10.5061/dryad.2kb6fh4
Barton, Nicholas H. “Data from: The Consequences of an Introgression Event.” Dryad, 2019. https://doi.org/10.5061/dryad.2kb6fh4.
N. H. Barton, “Data from: The consequences of an introgression event.” Dryad, 2019.
Barton NH. 2019. Data from: The consequences of an introgression event, Dryad, 10.5061/dryad.2kb6fh4.
Barton, Nicholas H. Data from: The Consequences of an Introgression Event. Dryad, 2019, doi:10.5061/dryad.2kb6fh4.
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