Of paleo-genes and Perch: what if an "alien" is actually a native?

PloS One
J Curt StagerSean Regalado

Abstract

Documenting whether a biotic taxon is native or alien to an ecosystem has theoretical value for ecological and evolutionary studies, and has practical value because it can potentially identify a taxon as a desirable component of an ecosystem or target it for removal. In some cases, however, such background information is inadequate or unavailable. Here we use paleo-DNA to re-evaluate the historical status of yellow perch in the 6 million acre Adirondack State Park of northern New York. Yellow perch DNA in a 2200-year sediment record reveals a long-term native status for these supposedly alien fish and challenges assumptions that they necessarily exclude native trout from upland lakes. Similar approaches could be applied to other species with uncertain historical distributions and could help to identify unrecognized pockets of biodiversity.

References

Sep 2, 2000·Science·A Cooper, H N Poinar
Mar 5, 2003·Proceedings. Biological Sciences·Paul D N HebertJeremy R deWaard
May 7, 2005·Proceedings. Biological Sciences·Eske Willerslev, Alan Cooper
Dec 8, 2005·Applied and Environmental Microbiology·Xiang XiaoFengping Wang
Jan 29, 2011·BMC Evolutionary Biology·Lynn L Anderson-CarpenterHendrik N Poinar
Jun 12, 2012·Methods in Molecular Biology·Robert D Ward

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Citations

Apr 4, 2017·The New Phytologist·Laura ParducciMikkel Winther Pedersen
Oct 10, 2020·Communications Biology·Michinobu KuwaeYoshiaki Suzuki

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Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

Primer Blast

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