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NRE: a tool for exploring neutral loci in the human genome
Leonardo Arbiza1, Elaine Zhong, Alon Keinan
1Department of Biological Statistics and Computational Biology, Cornell University, 102 Weill Hall, Ithaca 14853, USA.
BMC Bioinformatics
|November 16, 2012
Summary
Neutral Region Explorer (NRE) facilitates the identification and analysis of nearly neutral genomic regions. This tool aids population genetic studies by enabling precise selection of neutral loci, crucial for accurate demographic history estimations.
Area of Science:
- Genomics
- Population Genetics
- Bioinformatics
Background:
- Accurate population genetic studies require analyzing genomic regions unaffected by natural selection.
- Natural selection at linked sites significantly impacts human genetic variation and demographic estimates.
- Identifying truly neutral genomic regions is critical for robust population genetic analyses.
Purpose of the Study:
- To introduce Neutral Region Explorer (NRE), a tool for extracting and analyzing nearly neutral genomic regions.
- To provide a flexible platform for filtering and analyzing neutral loci based on multiple genomic criteria.
- To demonstrate the utility of NRE in population genetic analyses, such as estimating effective population size ratios.
Main Methods:
- NRE integrates multiple genomic filters: selection, recombination rate, gene proximity, and annotated region overlap.
- A two-step filtering process allows users to refine neutrality criteria iteratively.
- Analysis results can be downloaded in standard formats or visualized in genome browsers.
Main Results:
- NRE enables efficient extraction and analysis of nearly neutral human genomic regions.
- The tool supports versatile filtering strategies through a two-step process.
- An example application shows NRE's value in estimating X-to-autosomal effective population size ratios.
Conclusions:
- NRE offers flexible and rigorous mining of neutral loci essential for modern population genetics.
- The tool supports the increasing demand for precise analysis of neutral genomic regions.
- NRE is accessible online for researchers in population genetics and genomics.
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