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Diatom Pseudo-nitzschia (1)

Pseudo-nitzschia, a marine planktonic diatom genus that accounts for approximately 4% of pennate (ie, bilaterally symmetrical) diatoms found worldwide. Some species are capable of producing the neurotoxin domoic acid, which is responsible for amnesic shellfish poisoning. (Photomicrograph by Professor Rozalind Jester, Florida SouthWestern State College, May 6, 2016. Creative Commons Attribution-Share Alike 4.0 International license. Edited by Dr. Douglas J Lanska.) [Malviya S, Scalco E, Audic S, Vincent F, et al. Insights into global diatom distribution and diversity in the world's ocean. Proc Natl Acad Sci U S A 2016;113(11):E1516-25.]