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Red Tide—A discoloration of seawater caused by a bloom of toxic red dinoflagellates c. PSP—Paralytic shellfish poisoning i. Very toxic and has a mechanism of toxicity that involves blocking Na+ channels in neuron membranes so preventing neurotransmission and causing paralysis and sometimes death by respiratory failure GMOs 1. red tides. Their ecological significance is a long standing puzzle, and they are sometimes considered pathological. Here we propose that many red tides, particularly but not exclusively those comprised of certain autotrophic dinoflagellates, are presexual/sexual swarms, essential links in their complex life cycles.
Dinoflagellates are relatively easy to maintain at home, requiring as little care as a houseplant, except that these "plants" produce bright blue light when shaken at night. For more technical culturing information, we have another page about Growing Dinos in the Lab Also see our page documenting a red tide of dinoflagellates. In toxic red tides, the dinoflagellates produce a chemical that acts as a neurotoxin in other animals. When the dinoflagellates are ingested by shellfish, for example, the chemicals accumulate in the shellfish tissue in high enough levels to cause serious neurological affects in birds, animals, or people which ingest the shellfish. Red tides are a phenomenon of discoloration of sea surface.
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Red tides are a marine phenomenon in which water is stained a red, brown, or yellowish color because of the temporary abundance of a particular species of pigmented dinoflagellates (these events are known as "blooms"). Also called phytoplankton, or planktonic algae, these single-celled organisms of the class Dinophyceae move using a tail-like 1999-08-17 2019-11-01 The red tide in California is called Alexandrium tamarense. This red tide glows bright blue at night, and looks similar to the bioluminescence in Florida.
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Single species of algae, diatoms, or dinoflagellates, reproducing every few hours, may Blooms of the dinoflagellate genus Gymnodinium cause red tides.
Most dinoflagellates are unicellular flagellates, but there are some colonies of Red tides are caused under some conditions that allow species to grow from
Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385. Takano, H. 1990.
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Välj mellan 61 premium Dinoflagellates av högsta kvalitet. dinoflagellates producing light in breacking waves |Source=[http://www.flickr.com/photos/95165469@N00/2947122619/ Red Tide Luminescense] Florida Red Tide and other Harmful Algal Blooms (HABs), Saint Petersburg. The horns on this non-toxic dinoflagellate, Ceratium massilense, help it float and Hansen PJ (1989) The red tide dinoflagellate Alexandrium tamarense: effects on Behavior.
red tides. Their ecological significance is a long standing puzzle, and they are sometimes considered pathological. Here we propose that many red tides, particularly but not exclusively those comprised of certain autotrophic dinoflagellates, are presexual/sexual swarms, essential links in their complex life cycles.
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The University of the Philippines at Los Baños (UPLB) said the name red tide was coined due to the sea water discoloration which ranges from amber, red, brown, yellow orange to purple caused by the highly-densed population of dinoflagellates. To make it short, its present name was given.