Toxic dinoflagellates

Pestić, Ana (2012) Toxic dinoflagellates. Bachelor's thesis, Faculty of Science > Department of Biology.

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Dinoflagellates are phytoplanktonic organisms. They are adapted to a variety of habitats: from pelagic to benthic, from temperate to tropical seas, and from estuaries to freshwater. Many dinoflagellate species can produce various toxins. Some dinoflagellate species form massive toxic or non-toxic harmful algal blooms (commonly known as “red tides”). Dinoflagellates are important marine primary producers, but also the major causative agents of harmful algal blooms. These toxins can be extremely toxic and many of them are effective at far lower dosages, toxins can be quickly carried up the food chain and indirectly passed onto humans. The poisoning can result in gastrointestinal illness, permanent neurological damage, or even death. Harmful algal blooms, except for the effects on the marine ecosystem (causing mass mortality of fish, birds, marine mammals) they produce also socioeconomic problems that adversely affecting the fishing and mariculture. Dinoflagellates cause: paralytic shellfish poisoning, neurotoxic shellfish poisoning, diarrhetic shellfish poisoning, ciguatera fish poisoning, and toxins that cause them are saxitoxin, brevetoxin, ciguatoxin, maitotoxin, okadaic acid, pectenotoxins, dinophsistoxins, yessotoxin. Because of their bioactivity, influence on safety of seafood, and potential medical and other applications Dinoflagellate toxins are of increasing interest in researches.

Item Type: Thesis (Bachelor's thesis)
Supervisor: Plenković-Moraj, Anđelka
Date: 2012
Number of Pages: 13
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 16 Oct 2014 12:13
Last Modified: 16 Oct 2014 12:13

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