Trade-offs between reducing complex terminology and producing accurate interpretations from environmental DNA: Comment on “Environmental DNA: What's behind the term?” by Pawlowski et al., (2020)

Abstract

In a recent paper, “Environmental DNA: What's behind the term? Clarifying the terminology and recommendations for its future use in biomonitoring,” Pawlowski et al. argue that the term eDNA should be used to refer to the pool of DNA isolated from environmental samples, as opposed to only extra-organismal DNA from macro-organisms. We agree with this view. However, we are concerned that their proposed two-level terminology specifying sampling environment and targeted taxa is overly simplistic and might hinder rather than improve clear communication about environmental DNA and its use in biomonitoring. This terminology is based on categories that are often difficult to assign and uninformative, and it overlooks a fundamental distinction within eDNA: the type of DNA (organismal or extra-organismal) from which ecological interpretations are derived.

Description

© 2021 Her Majesty the Queen in Right of Canada. Molecular Ecology published by John Wiley & Sons Ltd. Reproduced with the permission of the Minister of Fisheries and Oceans Canada. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Keywords

Clear Terminology, Ecology of eDNA, Organismal DNA, Environmental DNA, Extra-Organismal DNA

Citation

Rodriguez-Ezpeleta, N., Morissette, O., Bean, C.W., Manu, S., Banerjee, P., Lacoursière-Roussel, A., Beng, K.C., Alter, S.E., Roger, F., Holman, L.E., Stewart, K.A., Monaghan, M.T., Mauvisseau, Q., Mirimin, L., Wangensteen, O.S., Antognazza, C.M., Helyar, S.J., de Boer, H., Monchamp, M.-E., Nijland, R., Abbott, C.L., Doi, H., Barnes, M.A., Leray, M., Hablützel, P.I. and Deiner, K. (2021), Trade-offs between reducing complex terminology and producing accurate interpretations from environmental DNA: Comment on “Environmental DNA: What's behind the term?” by Pawlowski et al., (2020). Mol Ecol, 30: 4601-4605. https://doi.org/10.1111/mec.15942

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