Using high-throughput DNA sequencing, genetic fingerprinting, and quantitative PCR as tools for monitoring bloom-forming and toxigenic cyanobacteria in Upper Klamath Lake, Oregon, 2013 and 2014

Eldridge, Sara L. Caldwell; Driscoll, Conner; Dreher, Theo W.

doi:10.3133/sir20175026

Scientific Investigations Report

2017

DOI: 10.3133/sir20175026

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Using high-throughput DNA sequencing, genetic fingerprinting, and quantitative PCR as tools for monitoring bloom-forming and toxigenic cyanobacteria in Upper Klamath Lake, Oregon, 2013 and 2014

Sara L. Caldwell Eldridge¹,

Conner Driscoll²,

Theo W. Dreher³

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Cited by 4 publications

References 19 publications

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Summer dynamics of cyanobacteria in an oligo-mesotrophic temperate lake in Northwest Ireland

Garland,

Lucy,

Touzet

2023

Hydrobiologia

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Despite the potential adverse consequences they can impart on biotopes, cyanobacteria are an understudied component of lake plankton communities in Ireland. This study, in summer 2019, examined cyanobacterial diversity and associated environmental variables in a lake previously impacted by algal blooms, in north-west Ireland. Vertical profiling showed that photosynthetic pigment concentrations were spatially heterogenous for the majority of the survey. However, water column homogeneity was observed towards the end of the survey, coinciding with increases in pigment concentrations. Sunshine hours, nutrient concentrations and wind speed were stable throughout the survey. Spatial homogeneity in pigments was attributed to an increase in minimal temperatures observed in the water column. PCR-DGGE analysis identified patterns in community composition, indicating a rise in cyanobacterial richness concomitant to increase in temperature and photosynthetic pigments. Band sequencing analysis identified phylotypes similar to the toxigenic species Microcystis sp. These were prominent at the end of the survey and coincided with the presence of the mcyE gene and low levels of microcystins, as indicated by real time PCR and ELISA analyses. The summer background presence of toxigenic cyanobacteria with potential bloom-forming capacity highlights the importance of annual lake cyanotoxin monitoring to inform resource management to protect human and animal health.

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Summer dynamics of cyanobacteria in an oligo-mesotrophic temperate lake in Northwest Ireland

Garland,

Lucy,

Touzet

2023

Hydrobiologia

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Seasonal community dynamics and toxicity potential of cyanobacteria in Lough Arrow, an oligo-mesotrophic lake in the north-west of Ireland

Garland,

Koehler,

McGirr

et al. 2023

Limnologica

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Evaluation of a eukaryote phylogenetic microarray for environmental monitoring of marine sediments

Lekang

Lanzén

Jonassen

et al. 2020

Marine Pollution Bulletin

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Using high-throughput DNA sequencing, genetic fingerprinting, and quantitative PCR as tools for monitoring bloom-forming and toxigenic cyanobacteria in Upper Klamath Lake, Oregon, 2013 and 2014

Cited by 4 publications

References 19 publications

Summer dynamics of cyanobacteria in an oligo-mesotrophic temperate lake in Northwest Ireland

Summer dynamics of cyanobacteria in an oligo-mesotrophic temperate lake in Northwest Ireland

Seasonal community dynamics and toxicity potential of cyanobacteria in Lough Arrow, an oligo-mesotrophic lake in the north-west of Ireland

Evaluation of a eukaryote phylogenetic microarray for environmental monitoring of marine sediments

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