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KMID : 1024520090180121331
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Journal of the Environmental Sciences
2009 Volume.18 No. 12 p.1331 ~ p.1338
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Temporal Changes in Abundances of the Toxic Dinoflagellate Alexandrium minutum (Dinophyceae) in Chinhae Bay, Korea
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Park Tae-Gyu
Kang Yang-Sun
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Abstract
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Marine dinoflagellate Alexandrium minutum producing paralytic shellfish toxins is responsible for paralytic shellfish poisoning (PSP). To investigate its temporal distributions in Chinhae Bay where PSP occurs annually, SYBR GreenⅠ based A. minutum-specific real-time PCR probe was developed on the LSU rDNA region. Assay specificity and sensitivity were tested against related species, and its specificity was further confirmed by sequencing of field-derived samples. Ten months field survey in 2008 (a total 100 surface water samples) by using the real-time PCR probe showed that A. minutum was detected at very low densities of 1-4 cells L-1 in May and June being spring in Chinhae Bay, Korea.
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KEYWORD
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Alexandrium minutum, Dinoflagellate, PSP toxins, Real-time PCR
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