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First report of microcystin-LR in the cyanobacterium Gloeotrichia echinulata
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Evolution, Limnology.
2007 (English)In: Environmental Toxicology, ISSN 1520-4081, E-ISSN 1522-7278, Vol. 22, no 3, 337-339 p.Article in journal (Refereed) Published
Abstract [en]

Gloeotrichia echinulata is a bloom-forming cyanobacterium that is common in eutrophic lakes, and less prevalent but increasing in oligotrophic lakes. We used an enzyme-linked immunosorbent assay analysis to test for the presence of the hepatotoxin microcystin-LR (MC-LR) in G. echinulata collected from an oligotrophic lake in central New Hampshire, USA. We found that G. echinulata contained MC-LR at mean concentrations of 97.07 +/- 7.78 (1 s.e.) ng MC-LR g(-1) dry wt colonies. This suggests that recent outbreaks of G. echinulata in oligotrophic lakes used as water sources throughout New England (USA) may pose a health concern. The toxicity of G. echinulata reported here suggests the need for future monitoring of microcystins in oligotrophic lakes.

Place, publisher, year, edition, pages
2007. Vol. 22, no 3, 337-339 p.
Keyword [en]
Gloeotrichia echinulata, cyanobacteria, microcystin-LR, ELISA, toxicity, oligotrophic lakes, drinking water
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-144467DOI: 10.1002/tox.20245ISI: 000246795700013PubMedID: 17497639OAI: oai:DiVA.org:uu-144467DiVA: diva2:393461
Available from: 2011-01-31 Created: 2011-01-31 Last updated: 2011-01-31Bibliographically approved

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