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Dinoflagellates are mostly marine plankton, but they are also common in freshwater habitats. Their populations vary with sea surface temperature, salinity, and depth. Many dinoflagellates are photosynthetic, but a large fraction of these are in fact mixotrophic, combining photosynthesis with ingestion of prey (phagotrophy and myzocytosis). [6] [7]
Ceratium species belong to the group of dinoflagellates known as dinophysiales, meaning they contain armored plates. [2] They contain a pellicle, which is a shell, that is made from the cell membrane and vesicles; vesicles are composed of cross-linked cellulose , forming the plates. [ 2 ]
Dinoflagellates are usually positioned as part of the algae group, and form a phylum of unicellular flagellates with about 2,000 marine species. [75] The name comes from the Greek "dinos" meaning whirling and the Latin "flagellum" meaning a whip or lash. This refers to the two whip-like attachments (flagella) used for forward movement.
Oxyrrhis is widely regarded as having global distribution, but there are limited studies of its geographic range. [3] Most published data describe the range of Oxyrrhis as areas of the Atlantic and Pacific coasts of the USA, the Gulf of Mexico, the Atlantic coasts of Europe, the Mediterranean and Baltic Seas, the Persian Gulf, the Indian Ocean, and the western Pacific. [3]
Zooxanthellae (/ ˌ z oʊ ə z æ n ˈ θ ɛ l iː /; sg. zooxanthella) is a colloquial term for single-celled dinoflagellates that are able to live in symbiosis with diverse marine invertebrates including demosponges, corals, jellyfish, and nudibranchs.
The dinoflagellete type of luciferin used in this reaction is one of the four common types of luciferin found in the marine environment, [11] and the genome of P. fusiformis contains shared common origin with other dinoflagellates that contain the luciferase enzyme. [5] In the laboratory, two different types bioluminescent flashes have been ...
Dinophysis is a genus of dinoflagellates [1] [2] [3] common in tropical, temperate, coastal and oceanic waters. [4] It was first described in 1839 by Christian Gottfried Ehrenberg. [5] Dinophysis are typically medium-sized cells (30-120 μm). [5] The structural plan and plate tabulation are conserved within the genus. [4]
Symbiodinium is a genus of dinoflagellates that encompasses the largest and most prevalent group of endosymbiotic dinoflagellates known and have photosymbiotic relationships with many species. These unicellular microalgae commonly reside in the endoderm of tropical cnidarians such as corals , sea anemones , and jellyfish , where the products of ...