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Revision of the Family Duboscquellidae with Description of Euduboscquella crenulata n. gen., n. sp. (Dinoflagellata, Syndinea), an Intracellular Parasite of the Ciliate Favella panamensis Kofoid & Campbell.
MedLine Citation:
PMID:  22221918     Owner:  NLM     Status:  In-Data-Review    
Recent recognition that tintinnids are infected by dinophycean as well as syndinean parasites prompts taxonomic revision of dinoflagellate species that parasitize these ciliates. Long overlooked features of the type species Duboscquella tintinnicola are used to emend the genus and family Duboscquellidae, resulting in both taxa being moved from the Syndinea to the Dinophyceae. Syndinean species previously classified as Duboscquella are relocated to Euduboscquella n. gen., with Euduboscquella crenulata n. sp. as the type. As an endoparasitic species, E. crenulata shares with its congeners processes associated with intracellular development and sporogenesis, but differs from closely related species in nuclear and cortical morphology of the trophont, including a distinctively grooved shield (= episome) that imparts a crenulated appearance in optical section. In addition, E. crenulata produces three morphologically distinct spore types, two of which undergo syngamy to form a uninucleate zygote. The zygote undergoes successive division to produce four daughter cells of unequal size, but that resemble the nonmating spore type.
D Wayne Coats; Tsvetan R Bachvaroff; Charles F Delwiche
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of eukaryotic microbiology     Volume:  59     ISSN:  1550-7408     ISO Abbreviation:  J. Eukaryot. Microbiol.     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-01-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9306405     Medline TA:  J Eukaryot Microbiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1-11     Citation Subset:  IM    
Copyright Information:
© 2011 The Author(s) Journal of Eukaryotic Microbiology © 2011 International Society of Protistologists.
Smithsonian Environmental Research Center, P. O. Box 28, Edgewater, Maryland, 21037.
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