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Toxins 2014, 6(11), 3173-3186; doi:10.3390/toxins6113173

First Report of Cylindrospermopsin Production by Two Cyanobacteria (Dolichospermum mendotae and Chrysosporum ovalisporum) in Lake Iznik, Turkey

1
Department of Freshwater Biology, Faculty of Fisheries, Istanbul University, Ordu Cad. No. 200, Laleli, Istanbul 34470, Turkey
2
Department of Biosciences, Åbo Akademi University, Tykistökatu 6A, 20520 Turku, Finland
*
Author to whom correspondence should be addressed.
Received: 19 August 2014 / Revised: 23 October 2014 / Accepted: 10 November 2014 / Published: 18 November 2014
(This article belongs to the Section Marine and Freshwater Toxins)
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Abstract

Cylindrospermopsin (CYN) is a cytotoxic alkaloid produced by cyanobacteria. The distribution of this toxin is expanding around the world and the number of cyanobacteria species producing this toxin is also increasing. CYN was detected for the first time in Turkey during the summer months of 2013. The responsible species were identified as Dolichospermum (Anabaena) mendotae and Chrysosporum (Aphanizomenon) ovalisporum. The D. mendotae increased in May, however, C. ovalisporum formed a prolonged bloom in August. CYN concentrations were measured by LC-MS/MS and ranged from 0.12 µg·mg−1 to 4.92 µg·mg−1 as dry weight, respectively. Both species were the only cyanobacteria actively growing and CYN production was attributed solely to these species. Despite CYN production by C. ovalisporum being a well-known phenomenon, to our knowledge, this is the first report of CYN found in D. mendotae bloom. View Full-Text
Keywords: LC-MS/MS; cyanobacteria; Lake Iznik; cylindrospermopsin; Turkey LC-MS/MS; cyanobacteria; Lake Iznik; cylindrospermopsin; Turkey
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Akcaalan, R.; Köker, L.; Oğuz, A.; Spoof, L.; Meriluoto, J.; Albay, M. First Report of Cylindrospermopsin Production by Two Cyanobacteria (Dolichospermum mendotae and Chrysosporum ovalisporum) in Lake Iznik, Turkey. Toxins 2014, 6, 3173-3186.

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