Genotypes for Seven Microsatellite Markers in Antarctic Abatus Sea Urchins

Seven microsatellite markers provide genotypes for three Antarctic sea urchin species of the genus Abatus. The data was collected by the Australian Antarctic Data Centre from individuals at five near-shore sites around Davis Station in East Antarctica. The dataset was last updated in March 2013.

Use Cases

• Analyze allele sizes for seven microsatellite loci to assess genetic diversity within and between three Abatus species.
• Compare genotypes across five collection sites separated by up to 5 km to study fine-scale population structure.
• Use microsatellite marker data to investigate potential hybridization or species boundaries among the three Abatus species.

Strengths

• Genotypes scored for seven distinct microsatellite markers.
• Samples collected from five distinct geographic sites within a 5 km range.

Limitations

• Dataset is over a decade old, last updated in 2013.
• Sample size and number of individuals per species are unknown.
• Geographic scope is limited to a single region near Davis Station, East Antarctica.

Provenance

Source

Australian Antarctic Data Centre (AU_AADC) via NASA Earthdata.

Collection Method

Allele sizes were scored using the CEQ 8000 Genetic Analysis System software v.8.0 after fragment separation on an automated sequencer.

Freshness

2013-03-31

Geography

Near-shore area surrounding Davis Station in the Vestfold Hills Region, East Antarctica.