DINOFLAGELLATE HOST-PARASITE STEROL PROFILES DICTATE KARLOTOXIN SENSITIVITY(1)

© 2009 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 45(2009), 2 vom: 19. Apr., Seite 375-85
1. Verfasser: Place, Allen R (VerfasserIn)
Weitere Verfasser: Bai, Xuemei, Kim, Sunju, Sengco, Mario R, Wayne Coats, D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Amoebophyra Karlodinium karlotoxin parasite sterols
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520 |a We examined the sterol profile of Karlodinium veneficum (D. Ballant.) J. Larsen, Akashiwo sanguinea (Hiraska) Ge. Hansen et Moestrup, Alexandrium tamarense (M. Lebour) Balech, Alexandrium affine (H. Inoue et Fukuyo) Balech, Gonyaulax polygramma F. Stein, and Gymnodinium instriatum (Freud. et J. J. Lee) Coats, along with their Amoebophyra parasites. There were no consistent sterol profiles that characterized the genus Amoebophyra. Instead, in five out of six comparisons, the host and parasite sterol profiles where highly correlated. The one exception, Amoebophyra sp. ex Alex. tamarense, was least like its host in sterol profile and also possessed the widest host range for infection. There was little correlation between host and parasite in fatty acid profiles, with the parasite being deficient in fatty acids characteristic of the plastid [e.g., 18:5(n-3) associated with galactolipids of the thylakoids, as previously published by Adolf et al. (2007)]. Those hosts and parasites with sterol profiles dominated by desmethyl sterols were most sensitive to karlotoxin toxicity. In the host-parasite pairs most sensitive to karlotoxin addition, recovery of the intact karlotoxin molecule was poorest. Given the sensitivity to karlotoxin, some species of Amoebophyra may avoid infection of K. veneficum 
650 4 |a Journal Article 
650 4 |a Amoebophyra 
650 4 |a Karlodinium 
650 4 |a karlotoxin 
650 4 |a parasite 
650 4 |a sterols 
700 1 |a Bai, Xuemei  |e verfasserin  |4 aut 
700 1 |a Kim, Sunju  |e verfasserin  |4 aut 
700 1 |a Sengco, Mario R  |e verfasserin  |4 aut 
700 1 |a Wayne Coats, D  |e verfasserin  |4 aut 
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