Genetic Diversity of Seychelles Prehensile-tailed Gecko Populations

Genetic data from populations of the endemic gecko Urocotyledon inexpectata across the Seychelles Islands, used to examine phylogeographic structure. The dataset contains mitochondrial and nuclear gene sequences, revealing at least two highly differentiated lineages with a main split dated to the Miocene/Late Pliocene. It was authored by Sara Rocha and last updated in 2020.

Use Cases

• Analyze mitochondrial and nuclear gene sequences to infer the timing of isolation between the northern and southern island lineages.
• Test for migration patterns between island groups using genetic marker data to assess population connectivity.
• Model the phylogeographic structure to explore the hypothetical north-south biogeographic break in the Seychelles.
• Assess genetic diversity levels across the archipelago to identify cryptic lineages within Urocotyledon inexpectata.

Strengths

• Contains genetic data for both mitochondrial and nuclear markers, enabling multi-locus analysis.
• Samples cover populations across the Seychelles archipelago, providing geographic breadth.
• Analysis reveals at least two highly differentiated lineages with a deep genetic divergence dated to the Miocene/Late Pliocene.

Limitations

• The specific number of samples, rows, or sequences is not provided, limiting assessment of statistical power.
• Data format and structure (e.g., column names, file types) are unspecified, requiring user investigation.
• Genetic data is from a single reptile species, limiting broader biogeographic conclusions without comparative data.

Provenance

Source

Dryad digital repository.

Collection Method

Genetic screening of populations across the Seychelles archipelago for mitochondrial and nuclear genes.

Time Range

null

Freshness

Last updated in 2020.

Geography

Seychelles Islands.