From Australian Oceans Data Network
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Antarctic marine sedimentary ancient DNA (sedaDNA) sequences: Extraction method comparison for diatom sedaDNA recovery

Created 28/09/2025

Updated 17/10/2025

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This dataset is derived from a comparative study evaluating six DNA extraction methods for their efficiency in recovering diatom sedimentary ancient DNA (sedaDNA) from Antarctic marine sediments. Sediment samples were collected from two sites: U1536C (Scotia Sea, West Antarctica) and KC02 (Sabrina Coast, Totten Glacier Region, East Antarctica). Each of the six extraction methods was applied to the same set of samples. Following shotgun metagenomic sequencing, the methods were assessed based on metrics such as diatom DNA recovery, average fragment length, and taxonomic diversity. The purpose of the study was to identify the optimal extraction approach for maximizing the yield and quality of diatom sedaDNA, thereby improving its utility for paleoenvironmental reconstruction.

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Additional Info

Field Value
Title Antarctic marine sedimentary ancient DNA (sedaDNA) sequences: Extraction method comparison for diatom sedaDNA recovery
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/d7191426-6ee8-4c54-a194-1296f0820266
Contact Point
Australian Ocean Data Network
prashasti.singh@utas.edu.au
Reference Period 02/02/2025 - 07/03/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
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  "type": "Polygon"
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Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Antarctic marine sedimentary ancient DNA (sedaDNA) sequences: Extraction method comparison for diatom sedaDNA recovery". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/antarctic-marine-sedimentary-ancient-dna-sedadna-sequences-extraction-method-comparison-for-dia