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Alexandrium (dinoflagellate) - Wikipedia Alexandrium is a genus of dinoflagellates It contains some of the dinoflagellate species most harmful to humans, because it produces toxic harmful algal blooms (HAB) that cause paralytic shellfish poisoning (PSP) in humans
Alexandrium – Harmful Algal Blooms The genus Alexandrium is a particularly well-known group of bloom-forming marine dinoflagellates due to their impacts on human health This genus is globally distributed, and can be found in sub-polar, temperate, and tropical coastal waters
Alexandrium - California Department of Public Health Alexandrium is an armored dinoflagellate that can occur as single cells or in chains of two or more cells The photo below shows a chain of eight cells of Alexandrium This dinoflagellate species is described as "armored" because the cell is made up of many cellulose plates
Alexandrium - Northeast HAB There are now over 30 recognized morphological species of Alexandrium, and around half of these species are known to produce toxins In New England, PSP has been recurrent and widespread in the region going back decades
East Coast: Harmful Algal Blooms - NOAAs National Ocean Service The most well known harmful algal bloom (HAB) on the east coast is Alexandrium catenella, also known as the Gulf of Maine “ red tide ” This toxic dinoflagellate produces saxitoxins that can accumulate in shellfish and cause paralytic shellfish poisoning in human consumers
Alexandrium monilatum - Virginia Institute of Marine Science VIMS researchers are studying the impact of Alexandrium monilatum on marine life, particularly larval fish and oysters, through laboratory bioassays and sentinel field studies (e g , deployment of naïve oysters)
Alexandrium spp. : From Toxicity to Potential Biotechnological Benefits . . . In this review, we summarize potential bioprospecting associated to the genus Alexandrium, including which Alexandrium spp produce metabolites with anticancer, antimicrobial, antiviral, as well as anti-Alzheimer applications When available, we report their mechanisms of action and targets
Alexandrium spp. - University of Alaska system Although various species of Alexandrium have been reported in temperate oceans worldwide, potentially toxic species have been observed along the northeast and west coasts of North America and in the Canadian maritime provinces