Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system

Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system

10 pages, 2 figures, 3 tables

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Bibliographic Details
Main Authors: Saura, Andreu, Massana, Ramon, Boras, Julia A., Forn, Irene, Vila-Reixach, Gemma, Vaqué, Dolors
Format: artículo biblioteca
Language:English
Published: Oxford University Press 2011-11
Subjects:Viruses, Bacteria, Heterotrophic flagellates, Stramenopiles,
Online Access:http://hdl.handle.net/10261/44580
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spelling dig-icm-es-10261-445802020-11-26T08:19:10Z Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system Saura, Andreu Massana, Ramon Boras, Julia A. Forn, Irene Vila-Reixach, Gemma Vaqué, Dolors Viruses Bacteria Heterotrophic flagellates Stramenopiles 10 pages, 2 figures, 3 tables Viruses are the most abundant biological entities in aquatic systems, infecting from bacteria to mammals. However, there has been little study so far on their impact on marine heterotrophic flagellates (HFs). For this reason, four experiments were carried out between April 2006 and February 2007 in the Blanes Bay Microbial Observatory (NW Mediterranean coast). We investigated whether viruses could affect HF communities, and specifically two uncultured marine stramenopile groups (MAST-4 and MAST-1C). For each experiment, four microcosms containing 12 L of 5-µm filtered seawater were prepared, two received active viruses and the other two received heat-inactivated viruses. Microcosms were then incubated for 48 h in order to measure changes in the abundance of the target groups. In three of the four experiments, both the growth rates of HF and MAST-4 cells and the percentage of MAST-4 cells with respect to HF after 48 h were higher in the heat-inactivated treatment compared with the active viruses treatment. These results indicate that viruses can negatively affect the HF community either directly via lysis of protists or indirectly via lysis of bacteria, and highlight the interactions between, virus, bacteria and protists This work was supported by the projects funded by the Spanish Ministry of Sciences and Innovation (CTM2004-04404-CO2-01 and CTM 2007-62140 to D.V., CGL2010-16304 to R.M. and CTM2008-06261-CO3-01 to M.L.) Peer reviewed 2012-01-23T11:41:34Z 2012-01-23T11:41:34Z 2011-11 artículo http://purl.org/coar/resource_type/c_6501 Journal of Plankton Research 33(11): 1709-1718 (2011) 0142-7873 http://hdl.handle.net/10261/44580 10.1093/plankt/fbr068 1464-3774 en https://doi.org/10.1093/plankt/fbr068 none Oxford University Press
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Viruses
Bacteria
Heterotrophic flagellates
Stramenopiles
Viruses
Bacteria
Heterotrophic flagellates
Stramenopiles
spellingShingle Viruses
Bacteria
Heterotrophic flagellates
Stramenopiles
Viruses
Bacteria
Heterotrophic flagellates
Stramenopiles
Saura, Andreu
Massana, Ramon
Boras, Julia A.
Forn, Irene
Vila-Reixach, Gemma
Vaqué, Dolors
Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
description 10 pages, 2 figures, 3 tables
format artículo
topic_facet Viruses
Bacteria
Heterotrophic flagellates
Stramenopiles
author Saura, Andreu
Massana, Ramon
Boras, Julia A.
Forn, Irene
Vila-Reixach, Gemma
Vaqué, Dolors
author_facet Saura, Andreu
Massana, Ramon
Boras, Julia A.
Forn, Irene
Vila-Reixach, Gemma
Vaqué, Dolors
author_sort Saura, Andreu
title Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
title_short Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
title_full Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
title_fullStr Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
title_full_unstemmed Effect of viruses on marine stramenopile (MAST) communities in an oligotrophic coastal marine system
title_sort effect of viruses on marine stramenopile (mast) communities in an oligotrophic coastal marine system
publisher Oxford University Press
publishDate 2011-11
url http://hdl.handle.net/10261/44580
work_keys_str_mv AT sauraandreu effectofvirusesonmarinestramenopilemastcommunitiesinanoligotrophiccoastalmarinesystem
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AT borasjuliaa effectofvirusesonmarinestramenopilemastcommunitiesinanoligotrophiccoastalmarinesystem
AT fornirene effectofvirusesonmarinestramenopilemastcommunitiesinanoligotrophiccoastalmarinesystem
AT vilareixachgemma effectofvirusesonmarinestramenopilemastcommunitiesinanoligotrophiccoastalmarinesystem
AT vaquedolors effectofvirusesonmarinestramenopilemastcommunitiesinanoligotrophiccoastalmarinesystem
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