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DNA from pollen: principles and potential
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology. Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Evolutionary Functional Genomics.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology. Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Evolutionary Functional Genomics.
2006 (English)In: The Holocene, ISSN 0959-6836, E-ISSN 1477-0911, Vol. 16, no 8, 1031-1034 p.Article in journal (Refereed) Published
Abstract [en]

This paper describes our recent extraction of ancient DNA (aDNA) from Holocene pollen and discusses the potential of the technique for elucidating timescales of evolutionary change. We show that plastid DNA is recoverable and usable from pollen grains of Scots pine Pinus sylvestris from 10 ka and 100 years ago. Comparison of the ancient sequences with modern sequences, obtained from an extant population, establish a first genetic link between modern and fossil samples of Scots pine, providing a genetic continuity through time. One common haplotype is present in each of the three periods investigated, suggesting that it persisted near the lake throughout the postglacial. The retrieval of aDNA from pollen has major implications for palaeoecology by allowing (i) investigation of population-level dynamics in time and space, and (ii) tracing ancestry of populations and developing phylogenetic trees that include extinct as well as extant taxa. The method should work over the last glacial oscillation, thus giving access to ancestry of populations over a crucial period of time for the understanding of the relationship between speciation and climate change.

Place, publisher, year, edition, pages
2006. Vol. 16, no 8, 1031-1034 p.
Keyword [en]
ancient DNA, pollen, plant population history, fossil, DNA sequence, Holocene
National Category
Earth and Related Environmental Sciences Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-77109DOI: 10.1177/0959683606069383ISI: 000243617300001OAI: oai:DiVA.org:uu-77109DiVA: diva2:105021
Available from: 2008-05-15 Created: 2008-05-15 Last updated: 2017-12-14Bibliographically approved

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Bennett, Keith D.Parducci, Laura

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