Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean)
13 pages, 4 figures, 3 tables
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | artículo biblioteca |
| Language: | English |
| Published: |
Blackwell Publishing
2009-05
|
| Online Access: | http://hdl.handle.net/10261/15730 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| id |
dig-icm-es-10261-15730 |
|---|---|
| record_format |
koha |
| spelling |
dig-icm-es-10261-157302020-11-19T08:29:51Z Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) Boras, Julia A. Sala, M. Montserrat Vázquez-Domínguez, Evaristo Weinbauer, Markus G. Vaqué, Dolors 13 pages, 4 figures, 3 tables The impact of viruses and protists on bacterioplankton mortality was examined monthly during 2 years (May 2005–April 2007) in an oligotrophic coastal environment (NW Mediterranean Sea). We expected that in such type of system, (i) bacterial losses would be caused mainly by protists, and (ii) lysogeny would be an important type of virus–host interaction. During the study period, viruses and grazers together were responsible for 50.6 ± 40.1% day−1 of bacterial standing stock losses (BSS) and 59.7 ± 44.0% day−1 of bacterial production losses (BP). Over the first year (May 2005–April 2006), protists were the principal cause of bacterial mortality, removing 29.9 ± 20.4% day−1 of BSS and 33.9 ± 24.3% day−1 of BP, whereas viral lysis removed 13.5 ± 17.0% day−1 of BSS and 12.3 ± 12.3% day−1 of BP. During the second year (May 2006–April 2007), viruses caused comparable bacterial losses (29.2 ± 14.8% day−1 of BSS and 40.9 ± 20.7% day−1 of BP) to protists (28.6 ± 25.5% day−1 of BSS and 32.4 ± 20.0% day−1 of BP). In 37% of cases higher losses of BP due to viruses than due to protists were found. Lysogenic infection was detected in 11 of 24 samplings. Contrary to our expectations, lytic infections dominated over the two years, and viruses resulted to be a significant source of bacterial mortality in this oligotrophic site This study was supported by the PROCAVIR (CTM2004-04404-C02) and MICROVIS (CTM2007-62140) projects funded by the Spanish Ministry of Education (MEC). J.A.B. work was supported by PhD fellowship from the MEC (FPU grant) and M.M.S. by I3P-CSIC postdoctoral contract funded by the Fondo Social Europeo Peer reviewed 2009-08-05T15:46:45Z 2009-08-05T15:46:45Z 2009-05 artículo http://purl.org/coar/resource_type/c_6501 Environmental Microbiology 11(5): 1181-1193 (2009) 1462-2912 http://hdl.handle.net/10261/15730 10.1111/j.1462-2920.2008.01849.x en https://doi.org/10.1111/j.1462-2920.2008.01849.x none 180710 bytes application/pdf Blackwell Publishing |
| 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 |
| description |
13 pages, 4 figures, 3 tables |
| format |
artículo |
| author |
Boras, Julia A. Sala, M. Montserrat Vázquez-Domínguez, Evaristo Weinbauer, Markus G. Vaqué, Dolors |
| spellingShingle |
Boras, Julia A. Sala, M. Montserrat Vázquez-Domínguez, Evaristo Weinbauer, Markus G. Vaqué, Dolors Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| author_facet |
Boras, Julia A. Sala, M. Montserrat Vázquez-Domínguez, Evaristo Weinbauer, Markus G. Vaqué, Dolors |
| author_sort |
Boras, Julia A. |
| title |
Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| title_short |
Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| title_full |
Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| title_fullStr |
Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| title_full_unstemmed |
Annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (NW Mediterranean) |
| title_sort |
annual changes of bacterial mortality due to viruses and protists in an oligotrophic coastal environment (nw mediterranean) |
| publisher |
Blackwell Publishing |
| publishDate |
2009-05 |
| url |
http://hdl.handle.net/10261/15730 |
| work_keys_str_mv |
AT borasjuliaa annualchangesofbacterialmortalityduetovirusesandprotistsinanoligotrophiccoastalenvironmentnwmediterranean AT salammontserrat annualchangesofbacterialmortalityduetovirusesandprotistsinanoligotrophiccoastalenvironmentnwmediterranean AT vazquezdominguezevaristo annualchangesofbacterialmortalityduetovirusesandprotistsinanoligotrophiccoastalenvironmentnwmediterranean AT weinbauermarkusg annualchangesofbacterialmortalityduetovirusesandprotistsinanoligotrophiccoastalenvironmentnwmediterranean AT vaquedolors annualchangesofbacterialmortalityduetovirusesandprotistsinanoligotrophiccoastalenvironmentnwmediterranean |
| _version_ |
1777665680815947776 |