First report on cylindrospermopsin producing Aphanizomenon flos-aquae (Cyanobacteria) isolated from two German lakes. |
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| Authors: | Karina Preussel Anke Stüken Claudia Wiedner Ingrid Chorus Jutta Fastner |
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| Institution: | Federal Environmental Agency, FG II 3.3, Corrensplatz 1, 14195 Berlin, Germany. karina.preussel@uba.de |
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| Abstract: | Three single-filament isolates of Aphanizomenon flos-aquae from two German lakes were found to produce remarkable amounts of the cyanobacterial hepatotoxin cylindrospermopsin (CYN). CYN-synthesis of the strains were evidenced both by LC-MS/MS analysis and detection of PCR products of gene fragments which are implicated in the biosynthesis of the toxin. The strains contain CYN in the range of 2.3-6.6 mg g(-1) of cellular dry weight. To our knowledge this is the first report of CYN in A. flos-aquae. |
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| Keywords: | Cylindrospermopsin Aphanizomenon flos-aquae Cyanobacteria Germany |
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