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Viruses 2017, 9(3), 61; doi:10.3390/v9030061

Emerging Interaction Patterns in the Emiliania huxleyi-EhV System

1
Department of Biology, University of Bergen, Bergen 5006, Norway
2
NRL for fish, Shellfish and Crustacean Diseases, Central Veterinary Institute of Wageningen UR, Lelystad 8221 RA, The Nederlands
3
Uni Research Environment, Nygårdsgaten 112, Bergen 5008, Norway
*
Author to whom correspondence should be addressed.
Academic Editors: Mathias Middelboe and Corina Brussaard
Received: 30 January 2017 / Revised: 15 March 2017 / Accepted: 16 March 2017 / Published: 22 March 2017
(This article belongs to the Special Issue Marine Viruses 2016)
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Abstract

Viruses are thought to be fundamental in driving microbial diversity in the oceanic planktonic realm. That role and associated emerging infection patterns remain particularly elusive for eukaryotic phytoplankton and their viruses. Here we used a vast number of strains from the model system Emiliania huxleyi/Emiliania huxleyi Virus to quantify parameters such as growth rate (µ), resistance (R), and viral production (Vp) capacities. Algal and viral abundances were monitored by flow cytometry during 72-h incubation experiments. The results pointed out higher viral production capacity in generalist EhV strains, and the virus-host infection network showed a strong co-evolution pattern between E. huxleyi and EhV populations. The existence of a trade-off between resistance and growth capacities was not confirmed. View Full-Text
Keywords: Phycodnaviridae; Coccolithovirus; Coccolithophore; Haptophyta; Killing-the-winner; cost of resistance; infectivity trade-offs; algae virus; marine viral ecology; viral-host interactions Phycodnaviridae; Coccolithovirus; Coccolithophore; Haptophyta; Killing-the-winner; cost of resistance; infectivity trade-offs; algae virus; marine viral ecology; viral-host interactions
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ruiz, E.; Oosterhof, M.; Sandaa, R.-A.; Larsen, A.; Pagarete, A. Emerging Interaction Patterns in the Emiliania huxleyi-EhV System. Viruses 2017, 9, 61.

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