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Bioluminescence in Dinoflagellates
 Zahradníček, Ondřej ; Němcová, Yvonne (advisor) ; Pichrtová, Martina (referee)
Bioluminescence is a relatively widespread phenomenon in nature. A variety of organisms have the ability to emit light. The aim of this bachelor thesis is to summarize the latest findings on bioluminescence in dinoflagellates. These organisms are the most important protist lineage capable of producing light flashes. Indeed, they are responsible for most of the bioluminescence observed in surface the seas and oceans. This bachelor thesis discusses the biochemical reaction of bioluminescence in which the substrate (luciferin) is oxidized in the presence of the enzyme luciferase. The thesis introduces the major species of luminescent dinoflagellates that frequently cause toxic harmful algal blooms. Then the factors affecting the intensity of bioluminescence are discussed. Last but not least, dinoflagellates can use bioluminescence as protection from predators. For example, they may use a flash of light to startle predators or use the flash as a "burglar alarm" to attract predators of their predators. Key words: bioluminescence, luciferin, luciferase, dinoflagellates, light flash
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