Search Results - "Bratbak, G."

Counterintuitive carbon-to-nutrient coupling in an Arctic pelagic ecosystem by Thingstad, T. F., Bellerby, R. G. J., Bratbak, G., Børsheim, K. Y., Egge, J. K., Heldal, M., Larsen, A., Neill, C., Nejstgaard, J., Norland, S., Sandaa, R.-A., Skjoldal, E. F., Tanaka, T., Thyrhaug, R., Töpper, B.

“…Feeding the oceans: more carbon is less An experiment in which degradable organic carbon was added to Arctic waters has come up with the counterintuitive…”
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Phylogenetic Analysis of Members of the Phycodnaviridae Virus Family, Using Amplified Fragments of the Major Capsid Protein Gene by Larsen, J.B, Larsen, A, Bratbak, G, Sandaa, R.-A

“…Algal viruses are considered ecologically important by affecting host population dynamics and nutrient flow in aquatic food webs. Members of the family…”
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Effects of ultraviolet radiation on marine virus–phytoplankton interactions by Jacquet, S., Bratbak, G.

“…Ambient ultraviolet radiation (UVR) is harmful to many biological systems and increased UVR, due to a reduced ozone layer, may have many unforeseen…”
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Response of marine viral populations to a nutrient induced phytoplankton bloom at different pCO2 levels by Larsen, J. B., Larsen, A., Thyrhaug, R., Bratbak, G., Sandaa, R.-A.

“…During the PeECE III mesocosm experiment in 2005 we investigated how the virioplankton community responded to increased levels of nutrients (N and P) and CO2…”
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Discovery of a dsRNA virus infecting the marine photosynthetic protist Micromonas pusilla by Brussaard, C.P.D, Noordeloos, A.A.M, Sandaa, R.-A, Heldal, M, Bratbak, G

“…We report the isolation of the first double-stranded (ds) RNA virus in the family Reoviridae that infects a protist (microalga Micromonas pusilla,…”
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Spring Phytoplankton Bloom Dynamics in Norwegian Coastal Waters: Microbial Community Succession and Diversity by Larsen, Aud, Gro A. Fonnes Flaten, Sandaa, Ruth-Anne, Castberg, Tonje, Thyrhaug, Runar, Erga, Svein Rune, Jacquet, Stéphan, Bratbak, Gunnar

“…Most studies of spring bloom succession in Norwegian waters have employed light microscopy and accounted for species composition of phyto- and zooplankton…”
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Population dynamics and diversity of phytoplankton, bacteria and viruses in a seawater enclosure by Larsen, A., Castberg, T., Sandaa, R. A., Brussaard, C. P. D., Egge, J., Heldal, M., Paulino, A., Thyrhaug, R., van Hannen, E. J., Bratbak, G.

“…We now know that the abundance of free viruses in most marine environments is high. There is still, however, a lack of understanding of their occurrence and…”
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Viral mortality of the marine alga Emiliania huxleyi (Haptophyceae) and termination of algal blooms by Bratbak, Gunnar, Egge, Jorun K., Heldal, Mikal

“…The possible roles of viruses in phytoplankton dynamics were investigated in seawater mesocosms with natural assemblages of phytoplankton growing under various…”
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Genomic sequence and analysis of EhV-99B1, a new coccolithovirus from the Norwegian fjords by Pagarete, A, Lanzén, A, Puntervoll, P, Sandaa, R A, Larsen, A, Larsen, J B, Allen, M J, Bratbak, G

“…Coccolithoviruses are giant dsDNA viruses that infect Emiliania huxleyi, the most ubiquitous marine microalga. Here, we present the genome of the latest…”
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Viruses and the Microbial Loop by G. Bratbak, Thingstad, F., Heldal, M.

“…The abundance of viral-like particles in marine ecosystems ranges from $<10^{4}\ {\rm ml}^{-1}$ to $>10^{8}\ {\rm ml}^{-1}$. Their distribution in time and…”
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Production and decay of viruses in aquatic environments by Heldal, Mikal, Bratbak, Gunnar

“…The quantitative significance of aquatic viruses in coastal and in lake water was investigated. The number of viruses in marine surface waters was found to…”
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Microbial population dynamics and diversity during a bloom of the marine coccolithophorid Emiliania huxleyi (Haptophyta) by CASTBERG, T, LARSEN, A, SANDAA, R. A, BRUSSAARD, C. P. D, EGGE, J. K, HELDAL, M, THYRHAUG, R, VAN HANNEN, E. J, BRATBAK, G

“…Several previous studies have shown that Emiliania huxleyi blooms and terminations have been succeeded by an increase in large virus-like particles (LVLP),…”
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Elevated Production of Dimethylsulfide Resulting from Viral Infection of Cultures of Phaeocystis pouchetii by Malin, Gillian, Wilson, William H., Bratbak, Gunnar, Liss, Peter S., Mann, Nicholas H.

“…The effects of viral lysis on dimethyl sulfide (DMS) and particulate and dissolved dimethylsulfoniopropionate (DMSP) concentrations were studied in batch…”
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Bacterial dry matter content and biomass estimations by Bratbak, G, Dundas, I

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Bacterial Biovolume and Biomass Estimations by BRATBAK, G

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Dynamics of virus abundance in coastal seawater by Bratbak, G., Heldal, M., Thingstad, T.F., Tuomi, P.

“…The short term dynamics of virus abundance in coastal sea water was investigated by frequent sampling of open ecosystems and of water incubated in bottles in…”
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Bacterial population dynamics in a meromictic lake by TUOMI, P, TORSVIK, T, HELDAL, M, BRATBAK, G

“…Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon…”
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Incorporation of viruses into the budget of microbial C-transfer. A first approach by Bratbak, G., Heldal, M., Thingstad, T.F., Riemann, B., Haslund, O.H.

“…Viral lysis of bacteria has been suggested to be a quantitatively important process in the removal of bacteria, and potentially also in the production of DOC,…”
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Response of marine viral populations to a nutrient induced phytoplankton bloom at different pCO 2 levels by Larsen, J. B., Larsen, A., Thyrhaug, R., Bratbak, G., Sandaa, R.-A.

“…During the PeECE III mesocosm experiment in 2005 we investigated how the virioplankton community responded to increased levels of nutrients (N and P) and CO2…”
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Cell volume to cell carbon conversion factors for a bacterivorous Monas sp. enriched from seawater by Børsheim, Knut Yngve, Bratbak, Gunnar

“…A bacterivorous Monas sp. was enriched from seawater. Particulate carbon of the enrichment cultures was measured together with flagellate and bacterial number…”
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