Cyanotoxin Occurrence and Diversity in 98 Cyanobacterial Blooms from Swedish Lakes and the Baltic Sea

Marine Drugs, Journal Year: 2024, Volume and Issue: 22(5), P. 199 - 199

Published: April 27, 2024

The Drinking Water Directive (EU) 2020/2184 includes the parameter microcystin LR, a cyanotoxin, which drinking water producers need to analyze if source has potential for cyanobacterial blooms. In light of increasing occurrences blooms worldwide and given that more than 50 percent in Sweden is produced from surface water, both fresh brackish, improved knowledge about cyanotoxin occurrence diversity increased. this study, total 98 were sampled 2016-2017 identified based on their toxin production taxonomical compositions. samples freshwater lakes throughout including brackish eight east coast locations along Baltic Sea analyzed content with LC-MS/MS taxonomic composition 16S rRNA amplicon sequencing. Both extracellular analyzed. Microcystin's prevalence was highest presence 82% blooms, as free 39% Saxitoxins found 36% congener decarbamoylsaxitoxin (dcSTX) detected first time Swedish waters at four sampling sites. Anatoxins most rarely detected, followed by cylindrospermopsin, 6% 10% samples, respectively. As expected, nodularin collected only. operational units (OTUs) abundance could be annotated Aphanizomenon NIES-81 second profuse taxon Microcystis PCC 7914. addition, two correlations found, one between saxitoxins another 7914 microcystins. This study value management scientists involved recognizing controlling toxic cyanobacteria

Language: Английский

Epidemiologic and clinical features of cyanobacteria harmful algal bloom exposures reported to the National Poison Data System, United States, 2010–2022: a descriptive analysis

Environmental Health, Journal Year: 2024, Volume and Issue: 23(1)

Published: Oct. 5, 2024

Language: Английский

Cyanotoxin Occurrence and Diversity in 98 Cyanobacterial Blooms From Swedish Lakes and the Baltic Sea

Published: April 4, 2024

The Drinking Water Directive (EU) 2020/2184 includes the parameter microcystin-LR, a cyanotoxin, which drinking water producers need to analyze if source has potential for cyanobacterial blooms. In light of increasing occurrences blooms worldwide and given that more than 50 percent in Sweden is produced from surface water, both fresh brackish, improved knowledge about cyanotoxin occurrence diversity increased. this study total 98 were sampled 2016-2017 identified regarding their toxin production taxonomical compositions. samples freshwater lakes throughout including brackish 8 east coast locations along Baltic Sea analyzed content with LC-MS/MS taxonomic composition 16S rRNA amplicon sequencing. Both extracellular was analyzed. Microcystin´s prevalence highest presence 82% blooms, as free toxins 39% Saxitoxins found 36% congener decarbamoylsaxitoxin (dcSTX) detected first time Swedish waters at four sampling sites. Anatoxins most rarely detected, followed by cylindrospermopsin, 6% 10% samples, respectively. As expected, nodularin collected only. operational unit (OTU) abundance could be annotated Aphanizomenon NIES-81 second profuse taxon Microcystis PCC-7914. addition, two correlations found, one between saxitoxins another PCC-7914 microcystins. This value management scientists involved recognizing controlling toxic cyanobacteria

Language: Английский