The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).

Environmental DNA (eDNA) is nuclear or mitochondrial DNA shed into the environment, and amplifying this DNA can serve as a reliable, noninvasive way to monitor aquatic systems for the presence of an invasive species. Assays based on the collection of eDNA are becoming increasingly popular, and, when...

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Autores principales: Stephanie S Coster, Megan N Dillon, William Moore, George T Merovich
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Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/486b07f7f1cd4490bdd4d95cbfc5e1f5
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spelling oai:doaj.org-article:486b07f7f1cd4490bdd4d95cbfc5e1f52021-12-02T20:13:21ZThe update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).1932-620310.1371/journal.pone.0259084https://doaj.org/article/486b07f7f1cd4490bdd4d95cbfc5e1f52021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259084https://doaj.org/toc/1932-6203Environmental DNA (eDNA) is nuclear or mitochondrial DNA shed into the environment, and amplifying this DNA can serve as a reliable, noninvasive way to monitor aquatic systems for the presence of an invasive species. Assays based on the collection of eDNA are becoming increasingly popular, and, when optimized, can aid in effectively and efficiently tracking invasion fronts. We set out to update an eDNA assay to detect the invasive rusty crayfish, Faxonius rusticus. We tested for species specificity compared to other stream crayfish and field tested the assay at sites with known presence (N = 3) and absence (N = 4) in the Juniata River watershed in central Pennsylvania, USA. To maximize sensitivity, we field tested different storage buffers (Longmire's buffer and ethanol), DNA extraction methods (Qiagen's DNEasy and PowerWater kits), and quantitative polymerase chain reaction (qPCR) chemistries (TaqMan and SYBR green). Our assay confirmed the presence data and performed optimally when filter samples were stored in Longmire's buffer, DNA was extracted with DNeasy Blood and Tissue Kit, and TaqMan qPCR chemistry was utilized. With proper sample processing, our assay allows for accurate, noninvasive detection of F. rusticus in streams.Stephanie S CosterMegan N DillonWilliam MooreGeorge T MerovichPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0259084 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Stephanie S Coster
Megan N Dillon
William Moore
George T Merovich
The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
description Environmental DNA (eDNA) is nuclear or mitochondrial DNA shed into the environment, and amplifying this DNA can serve as a reliable, noninvasive way to monitor aquatic systems for the presence of an invasive species. Assays based on the collection of eDNA are becoming increasingly popular, and, when optimized, can aid in effectively and efficiently tracking invasion fronts. We set out to update an eDNA assay to detect the invasive rusty crayfish, Faxonius rusticus. We tested for species specificity compared to other stream crayfish and field tested the assay at sites with known presence (N = 3) and absence (N = 4) in the Juniata River watershed in central Pennsylvania, USA. To maximize sensitivity, we field tested different storage buffers (Longmire's buffer and ethanol), DNA extraction methods (Qiagen's DNEasy and PowerWater kits), and quantitative polymerase chain reaction (qPCR) chemistries (TaqMan and SYBR green). Our assay confirmed the presence data and performed optimally when filter samples were stored in Longmire's buffer, DNA was extracted with DNeasy Blood and Tissue Kit, and TaqMan qPCR chemistry was utilized. With proper sample processing, our assay allows for accurate, noninvasive detection of F. rusticus in streams.
format article
author Stephanie S Coster
Megan N Dillon
William Moore
George T Merovich
author_facet Stephanie S Coster
Megan N Dillon
William Moore
George T Merovich
author_sort Stephanie S Coster
title The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
title_short The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
title_full The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
title_fullStr The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
title_full_unstemmed The update and optimization of an eDNA assay to detect the invasive rusty crayfish (Faxonius rusticus).
title_sort update and optimization of an edna assay to detect the invasive rusty crayfish (faxonius rusticus).
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/486b07f7f1cd4490bdd4d95cbfc5e1f5
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