Genetic detection of freshwater harmful algal blooms: A review focused on the use of environmental DNA (eDNA) in Microcystis aeruginosa and Prymnesium parvum.

Autor: Feist SM; Environmental Lab, United States Army Corps of Engineers Research and Development Center, Vicksburg, MS, 39180, United States. Electronic address: sheena.m.feist@erdc.dren.mil., Lance RF; Environmental Lab, United States Army Corps of Engineers Research and Development Center, Vicksburg, MS, 39180, United States.
Jazyk: angličtina
Zdroj: Harmful algae [Harmful Algae] 2021 Dec; Vol. 110, pp. 102124. Date of Electronic Publication: 2021 Oct 30.
DOI: 10.1016/j.hal.2021.102124
Abstrakt: Recurrence and severity of harmful algal blooms (HABs) are increasing due to a number of factors, including human practices and climate change. Sensitive and robust methods that allow for early and expedited HAB detection across large landscape scales are needed. Among the suite of HAB detection tools available, a powerful option exists in genetics-based approaches utilizing environmental sampling, also termed environmental DNA (eDNA). Here we provide a detailed methodological review of three HAB eDNA approaches (quantitative PCR, high throughput sequencing, and isothermal amplification). We then summarize and synthesize recently published eDNA applications covering a variety of HAB surveillance and research objectives, all with a specific emphasis in the detection of two widely problematic freshwater species, Microcystis aeruginosa and Prymnesium parvum. In our summary and conclusion we build on this literature by discussing ways in which eDNA methods could be advanced to improve HAB detection. We also discuss ways in which eDNA data could be used to potentially provide novel insight into the ecology, mitigation, and prediction of HABs.
(Copyright © 2021. Published by Elsevier B.V.)
Databáze: MEDLINE
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