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Toxins (Basel). 2014 Nov 18;6(11):3173-86. doi: 10.3390/toxins6113173.

First report of cylindrospermopsin production by two cyanobacteria (Dolichospermum mendotae and Chrysosporum ovalisporum) in Lake Iznik, Turkey.

Author information

1
Department of Freshwater Biology, Faculty of Fisheries, Istanbul University, Ordu Cad. No. 200, Laleli, Istanbul 34470, Turkey. rakcaalan@gmail.com.
2
Department of Freshwater Biology, Faculty of Fisheries, Istanbul University, Ordu Cad. No. 200, Laleli, Istanbul 34470, Turkey. latifekoker@gmail.com.
3
Department of Freshwater Biology, Faculty of Fisheries, Istanbul University, Ordu Cad. No. 200, Laleli, Istanbul 34470, Turkey. aycaoguz@gmail.com.
4
Department of Biosciences, Åbo Akademi University, Tykistökatu 6A, 20520 Turku, Finland. lisa.spoof@abo.fi.
5
Department of Biosciences, Åbo Akademi University, Tykistökatu 6A, 20520 Turku, Finland. jussi.meriluoto@abo.fi.
6
Department of Freshwater Biology, Faculty of Fisheries, Istanbul University, Ordu Cad. No. 200, Laleli, Istanbul 34470, Turkey. albay.hermano@gmail.com.

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.

PMID:
25412284
PMCID:
PMC4247252
DOI:
10.3390/toxins6113173
[Indexed for MEDLINE]
Free PMC Article

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