File:Drilling vessel recovering a sediment core for sedaDNA analysis.jpg
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Summary
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English: Schematic of a drilling vessel recovering a sediment core for sedaDNA analysis and hypothetical past marine community composition. The pink dashed line indicates the use of a chemical tracer for contamination tracking during coring. The white dashed line depicts the sediment core. Small yellow circles indicate theoretical sedaDNA sampling intervals, corresponding to pie charts on the right. Pie charts represent hypothetical paleo-communities detectable from sedaDNA shotgun analysis, where the majority (~75%, see text and Figure 3c) of the recovered sedaDNA sequences originate from bacteria, and where sedaDNA from fossilizing/cyst-forming taxa increases relative to non-fossilizing/non-cyst-forming taxa with subseafloor depth (assuming that sedaDNA of fossilizing/cyst-forming taxa preserves better than that of non-fossilizing/non-cyst-forming taxa). The decreasing size of the pie charts with subseafloor depth indicates an expected decrease in sedaDNA. Schematic not to scale. |
| Date | |
| Source | [1] doi:10.5670/oceanog.2020.211 |
| Author | Linda H. Armbrecht |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:28, 1 February 2021 | | 1,431 × 1,472 (465 KB) | Epipelagic | Uploaded a work by Linda H. Armbrecht from [https://tos.org/oceanography/article/the-potential-of-sedimentary-ancient-dna-to-reconstruct-past-ocean-ecosystems] {{doi|10.5670/oceanog.2020.211}} with UploadWizard |
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