Alexandrium tamarense
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Alexandrium tamarense
| Alexandrium tamarense | |
|---|---|
| Scientific classification | |
| Kingdom: | Chromalveolata |
| Superphylum: | Alveolata |
| Phylum: | Dinoflagellata |
| Class: | Dinophyceae |
| Order: | Gonyaulacales |
| Suborder: | Gonyaulaceae |
| Genus: | Alexandrium |
| Species: | A. tamarense |
| Binomial name | |
| A. tamarense |
|
Alexandrium tamarense is a dinoflagellate known to produce saxitoxin, a neurotoxin which causes the human illness clinically known as paralytic shellfish poisoning (PSP). Multiple species of phytoplankton are known to produce saxitoxin, including at least 10 other species from the genus Alexandrium.
Recent molecular work shows that this species belongs to the Alexandrium tamarense complex (Atama complex, including A. tamarense, Alexandrium fundyense, Alexandrium catenella) and that none of the three original morphospecies designations forms monophyletic groups in the present SSUbased and previous LSU-based [1] phylogenetic trees, i.e. these species designations are invalid. This currently needs further investigation [2].
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- ^ Lilly, E.L., Halanych, K.M., Anderson, D.M., 2007. Species boundaries and global biogeography of the Alexandrium tamarense complex (Dinophyceae). J. Phycol. 43 (6), 1329–1338.
- ^ Lilibeth N. Miranda, Yunyun Zhuang, Huan Zhang, Senjie Lin, 2012. Phylogenetic analysis guided by intragenomic SSU rDNA polymorphism refines classification of ‘‘Alexandrium tamarense’’ species complex. Harmful Algae (in press).
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