Genomic Data for Three Endemic Restinga Lizard Species from Northeastern Brazil

36.9 MB of genomic analysis inputs for Tropidurus hygomi, Glaucomastix abaetensis, and G. itabaianensis, supporting research on coastal population dynamics. The data, authored by Cecil Fazolato and published in 2026, includes VCF files, PCA/sNMF inputs, and files for EEMS and stairwayplot analyses. It is hosted on figshare under a CC-BY-4.0 license.

Use Cases

• Conducting population structure analysis based on PCA and sparse non-negative matrix factorization (sNMF) inputs
• Estimating effective migration surfaces (EEMS) to infer historical gene flow patterns based on provided .coord, .diffs, and .outer files
• Performing demographic history reconstruction using the provided stairwayplot blueprint files
• Running phylogenetic analyses with the provided SVDquartets input files (.nex, .usnps)

Strengths

• Includes genomic data for three distinct lizard species (Tropidurus hygomi, Glaucomastix abaetensis, and G. itabaianensis), enabling comparative analysis
• Provides inputs for multiple, established population genetics analyses (PCA, sNMF, EEMS, stairwayplot, SVDquartets) in a 36.9 MB package
• Data is openly shared under a permissive CC-BY-4.0 license, facilitating reuse

Limitations

• Description metadata is limited; actual data quality and structure require manual inspection after download
• Row and individual sample counts are unknown, which may limit suitability assessment for specific analyses
• Column-level documentation is absent; field semantics must be inferred from file formats and analysis context

Provenance

Source

figshare

Collection Method

Likely derived from genomic sequencing of lizard specimens; specific laboratory methods are not detailed in the provided metadata.

Freshness

Last updated 2026-06-01 19:41:04

Geography

Northeastern Brazil, focusing on coastal restinga habitats