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Description of a new genus of Pfesteria-like dinoflagellate, Luciella gen. nov (Dinophyceae), including two new species: Luciella masanensis sp nov and Luciella atlantis sp nov.
Cited 37 time in
Web of Science
Cited 45 time in Scopus
- Authors
- Issue Date
- 2007-08
- Publisher
- Blackwell Publishing Inc.
- Citation
- Journal of Phycology, Vol.43 No.4, pp.799-810
- Abstract
- A new genus of Pfiesteria-like heterotrophic dinoflagellate, Luciella gen. nov., and two new species, Luciella masanensis sp. nov. and Luciella atlantis sp. nov., are described. These species commonly occur with other small (<20 mu m) heterotrophic and mixotrophic dinoflagellates in estuaries from Florida to Maryland and the southern coast of Korea, suggesting a possible global distribution. An SEM analysis indicates that members of the genus Luciella have the enhanced Kofoidian plate formula of Po, cp, X, 4', 2a, 6 '', 6c, PC, 5+s, 5''', 0p, and 2'''. The two four-sided anterior intercalary plates are diamond shaped. The genus Luciella differs from the other genera in the Pfiesteriaceae by a least one plate in the plate tabulation and in the configuration of the two anterior intercalary plates. An SSU rDNA phylogenetic analysis confirmed the genus as monophyletic and distinct from the other genera in the Pfiesteriaceae. The morphology of Luciella masanensis closely resembles Pfiesteria piscicida Steid. et J. M. Burkh. and other Pfiesteria-like dinoflagellates in size and shape, making it easily misidentified using LM. Luciella atlantis, in contrast, has a more distinctive morphology. It can be distinguished from L. masanensis and other Pfiesteria-like organisms by a larger cell size, a more conical-shaped epitheca and hypotheca, larger rhombic-shaped intercalary plates, and an asymmetrical hypotheca. The genus Luciella is assigned to the order Peridiniales and the family Pfiesteriaceae based on plate tabulation, plate pattern, general morphology, and phylogenetic analysis.
- ISSN
- 0022-3646
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Related Researcher
- College of Natural Sciences
- Department of Earth and Environmental Sciences
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