DINOPHYSIS CAUDATA (DINOPHYCEAE) SEQUESTERS AND RETAINS PLASTIDS FROM THE MIXOTROPHIC CILIATE PREY MESODINIUM RUBRUM(1)

© 2012 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 48(2012), 3 vom: 24. Juni, Seite 569-79
1. Verfasser: Kim, Miran (VerfasserIn)
Weitere Verfasser: Nam, Seung Won, Shin, Woongghi, Coats, D Wayne, Park, Myung Gil
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Dinophysis caudata Mesodinium rubrum kleptoplastid plastid single-cell TEM ultrastructure
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520 |a "Phototrophic"Dinophysis Ehrenberg species are well known to have chloroplasts of a cryptophyte origin, more specifically of the cryptophyte genus complex Teleaulax/Geminigera. Nonetheless, whether chloroplasts of "phototrophic"Dinophysis are permanent plastids or periodically derived kleptoplastids (stolen chloroplasts) has not been confirmed. Indeed, molecular sequence data and ultrastructural data lead to contradictory interpretations about the status of Dinophysis plastids. Here, we used established cultures of D. caudata strain DC-LOHABE01 and M. rubrum strain MR-MAL01 to address the status of Dinophysis plastids. Our approach was to experimentally generate D. caudata with "green" plastids and then follow the ingestion and fate of "reddish-brown" prey plastids using light microscopy, time-lapse videography, and single-cell TEM. Our results for D. caudata resolve the apparent discrepancy between morphological and molecular data by showing that plastids acquired when feeding on M. rubrum are structurally modified and retained as stellate compound chloroplasts characteristic of Dinophysis species 
650 4 |a Journal Article 
650 4 |a Dinophysis caudata 
650 4 |a Mesodinium rubrum 
650 4 |a kleptoplastid 
650 4 |a plastid 
650 4 |a single-cell TEM 
650 4 |a ultrastructure 
700 1 |a Nam, Seung Won  |e verfasserin  |4 aut 
700 1 |a Shin, Woongghi  |e verfasserin  |4 aut 
700 1 |a Coats, D Wayne  |e verfasserin  |4 aut 
700 1 |a Park, Myung Gil  |e verfasserin  |4 aut 
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