TY - JOUR
T1 - Ancient and modern environmental DNA
AU - Pedersen, Mikkel Winther
AU - Overballe-Petersen, Søren
AU - Ermini, Luca
AU - Der Sarkissian, Clio
AU - Haile, James Seymour
AU - Hellström, Ann Micaela
AU - Spens, Johan
AU - Thomsen, Philip Francis
AU - Bohmann, Kristine
AU - Cappellini, Enrico
AU - Schnell, Ida Bærholm
AU - Wales, Nathan
AU - Carøe, Christian
AU - Campos, Paula
AU - Schmidt, Astrid Mariah Zelma
AU - Gilbert, M. Thomas P.
AU - Hansen, Anders Johannes
AU - Orlando, Ludovic Antoine Alexandre
AU - Willerslev, Eske
N1 - © 2014 The Author(s) Published by the Royal Society. All rights reserved.
PY - 2015/1/19
Y1 - 2015/1/19
N2 - 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 DNA in the environment have revolutionized our knowledge of biogeography. However, the approach remains marred by biases related to DNA behaviour in environmental settings, incomplete reference databases and false positive results due to contamination. We provide a review of the field.
AB - 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 DNA in the environment have revolutionized our knowledge of biogeography. However, the approach remains marred by biases related to DNA behaviour in environmental settings, incomplete reference databases and false positive results due to contamination. We provide a review of the field.
U2 - 10.1098/rstb.2013.0383
DO - 10.1098/rstb.2013.0383
M3 - Review
C2 - 25487334
SN - 0962-8436
VL - 370
JO - Philosophical Transactions of the Royal Society B: Biological Sciences
JF - Philosophical Transactions of the Royal Society B: Biological Sciences
IS - 1660
M1 - 20130383
ER -