Latent virus-like infections are present in a diverse range of Symbiodinium spp. (Dinophyta)

© 2014 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 50(2014), 6 vom: 15. Dez., Seite 984-97
1. Verfasser: Lawrence, Scott A (VerfasserIn)
Weitere Verfasser: Wilson, William H, Davy, Joanne E, Davy, Simon K
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Cnidarian TEM Zooxanthella dinoflagellate latency phycodnavirus symbiosis
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520 |a Coral reefs are increasingly threatened by disease outbreaks, which affect the coral animal and/or its algal symbionts (Symbiodinium spp.) and can cause mass mortalities. Currently around half of the recognized coral diseases have unknown causative agents. While many of the diseases are thought to be bacterial in origin, there is growing evidence that viruses may play a role. In particular, it appears that viruses may infect the algal symbionts, causing breakdown of the coral-algal mutualism. In this study, we screened a wide range of Symbiodinium cultures in vitro for the presence of latent viral infections. Using flow cytometry and electron microscopy, we found that many types of Symbiodinium apparently harbor such infections, and that the type of putative virus varied within and among host types. Furthermore, the putative viral infections could be induced via abiotic stress and cause host cell lysis and population decline. If similar processes occur in Symbiodinium cells in hospite, they may provide an explanation for some of the diseases affecting corals and other organisms forming symbioses with these algae 
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700 1 |a Wilson, William H  |e verfasserin  |4 aut 
700 1 |a Davy, Joanne E  |e verfasserin  |4 aut 
700 1 |a Davy, Simon K  |e verfasserin  |4 aut 
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