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Stacks: an analysis tool set for population genomics

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TLDR
The expanded population genomics functions in Stacks will make it a useful tool to harness the newest generation of massively parallel genotyping data for ecological and evolutionary genetics.
Abstract
Massively parallel short-read sequencing technologies, coupled with powerful software platforms, are enabling investigators to analyse tens of thousands of genetic markers. This wealth of data is rapidly expanding and allowing biological questions to be addressed with unprecedented scope and precision. The sizes of the data sets are now posing significant data processing and analysis challenges. Here we describe an extension of the Stacks software package to efficiently use genotype-by-sequencing data for studies of populations of organisms. Stacks now produces core population genomic summary statistics and SNP-by-SNP statistical tests. These statistics can be analysed across a reference genome using a smoothed sliding window. Stacks also now provides several output formats for several commonly used downstream analysis packages. The expanded population genomics functions in Stacks will make it a useful tool to harness the newest generation of massively parallel genotyping data for ecological and evolutionary genetics.

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Brazilian Anopheles darlingi Root (Diptera: Culicidae) Clusters by Major Biogeographical Region

TL;DR: It is inferred that the Atlantic forest coastal mountain range limited dispersal between the Atlantic Forest province and the Parana Forest province populations, and that the large, diagonal open vegetation region of the Chacoan dominion dramatically reduced dispersalbetween the Paranas and Brazilian dominion populations.
Journal ArticleDOI

SNPs across time and space: population genomic signatures of founder events and epizootics in the House Finch (Haemorhous mexicanus).

TL;DR: Simulations demonstrate that the proportion of outliers associated with founder events could be explained by genetic drift, providing direct evidence that demographic shifts like founder events have genetic consequences more widespread across the genome than natural selection.
Journal ArticleDOI

Genome-wide data delimits multiple climate-determined species ranges in a widespread Australian fish, the golden perch (Macquaria ambigua).

TL;DR: This work used genome-wide data to investigate evolutionary divergence and species range limits in a generalist and highly dispersive fish species that shows an unusually wide distribution across arid and semi-arid regions of Australia, and identified cases suggestive of anthropogenic hybridization between lineages.
Journal ArticleDOI

A bioinformatic pipeline for identifying informative SNP panels for parentage assignment from RADseq data.

TL;DR: A bioinformatic pipeline for identifying SNP panels that are informative for parentage analysis from restriction site‐associated DNA sequencing (RADseq) data is developed, and analyses with and without a reference genome produced SNP panels with ≥95% parentage assignment accuracy for Mexican gray wolf, outperforming microsatellites at 78% accuracy.
References
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Journal ArticleDOI

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Journal ArticleDOI

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