Towards an Ecological Understanding of Dinoflagellate Cyst Functions

The life cycle of many dinoflagellates includes at least one nonflagellated benthic stage (cyst). In the literature, the different types of dinoflagellate cysts are mainly defined based on morphological (number and type of layers in the cell wall) and functional (long- or short-term endurance) diffe...

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Bibliographic Details
Published in:Microorganisms (Basel) 2014-01, Vol.2 (1), p.11-32
Main Authors: Bravo, Isabel, Figueroa, Rosa Isabel
Format: Article
Language:English
Subjects:
cysts
dinoflagellate life cycle strategy
dinoflagellate reproduction
Life cycles
pellicle cysts
resting cysts
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Summary:The life cycle of many dinoflagellates includes at least one nonflagellated benthic stage (cyst). In the literature, the different types of dinoflagellate cysts are mainly defined based on morphological (number and type of layers in the cell wall) and functional (long- or short-term endurance) differences. These characteristics were initially thought to clearly distinguish pellicle (thin-walled) cysts from resting (double-walled) dinoflagellate cysts. The former were considered short-term (temporal) and the latter long-term (resting) cysts. However, during the last two decades further knowledge has highlighted the great intricacy of dinoflagellate life histories, the ecological significance of cyst stages, and the need to clarify the functional and morphological complexities of the different cyst types. Here we review and, when necessary, redefine the concepts of resting and pellicle cysts, examining both their structural and their functional characteristics in the context of the life cycle strategies of several dinoflagellate species.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms2010011