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From the same journal

Ancient and modern environmental DNA

Research output: Contribution to journalArticle

Published copy (DOI)

Author(s)

  • Mikkel Winther Pedersen
  • Søren Overballe-Petersen
  • Luca Ermini
  • Clio Der Sarkissian
  • James Haile
  • Micaela Hellstrom
  • Johan Spens
  • Philip Francis Thomsen
  • Kristine Bohmann
  • Enrico Cappellini
  • Ida Bærholm Schnell
  • Nathan A. Wales
  • Christian Carøe
  • Paula F Campos
  • Astrid M.Z. Schmidt
  • M. Thomas P. Gilbert
  • Anders J. Hansen
  • Ludovic Orlando
  • Eske Willerslev

Department/unit(s)

Publication details

JournalPhilosophical Transactions Of The Royal Society Of London Series B - Biological Sciences
DatePublished - 19 Jan 2015
Issue number1660
Volume370
Number of pages11
Original languageEnglish

Abstract

DNA obtained from environmental samples such as sediments, ice or water (environmental DNA, eDNA), represents an important source of information on past and present biodiversity. It has revealed an ancient forest in Greenland, extended by several thousand years the survival dates for mainland woolly mammoth in Alaska, and pushed back the dates for spruce survival in Scandinavian ice-free refugia during the last glaciation. More recently, eDNA was used to uncover the past 50 000 years of vegetation history in the Arctic, revealing massive vegetation turnover at the Pleistocene/Holocene transition, with implications for the extinction of megafauna. Furthermore, eDNA can reflect the biodiversity of extant flora and fauna, both qualitatively and quantitatively, allowing detection of rare species. As such, trace studies of plant and vertebrate DNAin the environment have revolutionized our knowledge of biogeography. However, the approach remains marred by biases related toDNAbehaviour in environmental settings, incomplete reference databases and false positive results due to contamination.We provide a review of the field.

    Research areas

  • Ancient, Ancient DNA, Environment, Environmental DNA, Review

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