Inclusion bodies in several species of Ceratium Schrank (Dinophyceae) from the Caribbean Sea examined with DNA-specific staining |
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Authors: | Chang Jeng; Carpenter Edward J |
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Institution: | Marine Sciences Research Center, State University of New York Stony Brook, NY 11794-5000, USA |
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Abstract: | Several dinoflagellate species in the genus Ceraiium Schrankwere examined, with the help of a DNA-specific dye, for thepresence of a nucleus, chloroplasts and inclusion bodies. Theabundance of Ceratium in the Caribbean Sea in April 1990 wasbetween 1.3 and 4.9 x 105 cells m3 Most Ceratium teresKofoid contained 510 small chloroplasts and among 529C.teres cells. 8% possessed an inclusion body. The shape andsize of inclusion bodies varied, and 7% of the inclusions hada DNA-containing particle inside. Similar inclusion bodies werealso observed in Ceratium declinatum f. normale Jörgensen,Ceratium furca (Ehrenberg) Claparede and Lachmann, and Ceratiumfusus (Ehrenberg) Dujardin. Our observations indicated thatinclusion bodies are common in oceanic Ceratium.
1Present address: Institute of Marine Biology, National TaiwanOcean University, Keelung 20224, Taiwan, ROC |
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