Browsing Institutt for biovitenskap by Author "Edvardsen, Bente"

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  • 454 Pyrosequencing to Describe Microbial Eukaryotic Community Composition, Diversity and Relative Abundance: A Test for Marine Haptophytes 
    Egge, Elianne Sirnæs; Bittner, Lucie; Andersen, Tom; Audic, Stéphane; de Vargas, Colomban; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    Next generation sequencing of ribosomal DNA is increasingly used to assess the diversity and structure of microbial communities. Here we test the ability of 454 pyrosequencing to detect the number of species present, and ...
  • Adaptive evolution of viruses infecting marine microalgae (haptophytes), from acute infections to stable coexistence 
    Sandaa, Ruth-Anne; Saltvedt, Marius Rydningen; Dahle, Håkon; Wang, Haina; Våge, Selina; Blanc-Mathieu, Romain; Steen, Ida Helene; Grimsley, Nigel; Edvardsen, Bente; Ogata, Hiroyuki; Lawrence, Janice (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Collectively known as phytoplankton, photosynthetic microbes form the base of the marine food web, and account for up to half of the primary production on Earth. Haptophytes are key components of this phytoplankton community, ...
  • An 18S V4 rDNA metabarcoding dataset of protist diversity in the Atlantic inflow to the Arctic Ocean, through the year and down to 1000 m depth 
    Egge, Elianne Dunthorn; Elferink, Stephanie; Vaulot, Daniel; John, Uwe; Bratbak, Gunnar; Larsen, Aud; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Arctic marine protist communities have been understudied due to challenging sampling conditions, in particular during winter and in deep waters. The aim of this study was to improve our knowledge on Arctic protist diversity ...
  • Changes in phytoplankton community structure over a century in relation to environmental factors 
    Lundsør, Elisabeth; Eikrem, Wenche; Stige, Leif Christian; Engesmo, Anette; Gran-Stadniczeñko, Sandra; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Changes in phytoplankton abundance and biomass during the period 1933–2020 were examined by statistical modeling using data from the Inner Oslofjorden phytoplankton database. The phytoplankton abundances increased with ...
  • Development of a qPCR assay to detect and quantify ichthyotoxic flagellates along the Norwegian coast, and the first Norwegian record of Fibrocapsa japonica (Raphidophyceae) 
    Engesmo, Anette; Strand, David; Gran-Stadniczeñko, Sandra; Edvardsen, Bente; Medlin, Linda K.; Eikrem, Wenche (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Blooms of ichthyotoxic microalgae pose a great challenge to the aquaculture industry world-wide, and there is a need for fast and specific methods for their detection and quantification in monitoring programs. In this ...
  • Diatom diversity through HTS-metabarcoding in coastal European seas 
    Piredda, Roberta; Claverie, Jean-Michel; Decelle, Johan; de Vargas, Colomban; Dunthorn, Micah; Edvardsen, Bente; Eikrem, Wenche; Forster, D.; Koistra, Wiebe; Logares, Ramiro; Massana, Ramón; Montresor, Marina; Not, Fabrice; Ogata, Hiroyuki; Pawlowski, Jan M.; Romac, Sarah; Sarno, Diana; Stoeck, Thorsten; Zingone, Adriana (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Diatoms constitute a diverse lineage of unicellular organisms abundant and ecologically important in aquatic ecosystems. Compared to other protists, their biology and taxonomy are well-studied, offering the opportunity to ...
  • Diversity and biogeography of planktonic diatoms in Svalbard fjords: The role of dispersal and Arctic endemism in phytoplankton community structuring 
    Supraha, Luka; Klemm, Kerstin; Gran-Stadniczeñko, Sandra; Hörstmann, Cora; Vaulot, Daniel; Edvardsen, Bente; John, Uwe (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Understanding the processes that shape the community structure of Arctic phytoplankton is crucial for predicting responses of Arctic ecosystems to the ongoing ocean warming. In particular, little is known about the importance ...
  • Earlier sea-ice melt extends the oligotrophic summer period in the Barents Sea with low algal biomass and associated low vertical flux 
    Kohlbach, Doreen; Goraguer, Lucie; Bodur, Yasemin V.; Müller, Oliver; Amargant Arumí, Martí; Blix, Katalin; Bratbak, Gunnar; Chierici, Melissa; Dabrowska, Anna Maria; Dietrich, Ulrike; Edvardsen, Bente; Garcia, Laura; Gradinger, Rolf Rudolf; Hop, Haakon; Jones, Elizabeth Marie; Øyvind, Lundesgaard; Olsen, Lasse Mork; Reigstad, Marit; Saubrekka, Karoline; Tatarek, Agnieszka; Wiktor, Josef Maria; Wold, Anette; Assmy, Philipp (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The decrease in Arctic sea-ice extent and thickness as a result of global warming will impact the timing, duration, magnitude and composition of phytoplankton production with cascading effects on Arctic marine food-webs ...
  • Haptophyte Diversity and Vertical Distribution Explored by 18S and 28S Ribosomal RNA Gene Metabarcoding and Scanning Electron Microscopy 
    Gran-Stadniczenko, Sandra; Supraha, Luka; Egge, Elianne Dunthorn; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Haptophyta encompasses more than 300 species of mostly marine pico‐ and nanoplanktonic flagellates. Our aims were to investigate the Oslofjorden haptophyte diversity and vertical distribution by metabarcoding, and to improve ...
  • Intracellular Infection of Diverse Diatoms by an Evolutionary Distinct Relative of the Fungi 
    Chambouvet, Aurélie; Monier, Adam; Maguire, Finlay; Itoiz, Sarah; del Campo, Javier; Elies, Philippe; Edvardsen, Bente; Eikrem, Wenche; Richards, Thomas A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The Fungi are a diverse kingdom, dominating terrestrial environments and driving important ecologies. Although fungi, and the related Opisthosporidia, interact with photosynthetic organisms on land and in freshwater as ...
  • Long-term coastal monitoring data show nutrient-driven reduction in chlorophyll 
    Lundsør, Elisabeth; Stige, Leif Christian; Sørensen, Kai; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    In this study we have compiled a long-term monitoring dataset from the inner Oslofjorden and supplemented it with short-term research data from the same station. Using generalized additive models analysing the data from ...
  • The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the Functional Diversity of Eukaryotic Life in the Oceans through Transcriptome Sequencing 
    Keeling, Patrick J.; Burki, Fabien; Wilcox, Heather M.; Allam, Bassem; Allen, Eric E.; Amaral-Zettler, Linda A.; Armbrust, E. Virginia; Archibald, John M.; Bharti, Arvind K.; Bell, Callum J.; Beszteri, Bank; Bidle, Kay D; Cameron, Connor T; Campbell, Lisa; Caron, David A; Cattolico, Rose Ann; Collier, Jackie L; Coyne, Kathryn; Davy, Simon K; Deschamps, Phillipe; Dyhrman, Sonya T; Edvardsen, Bente; Gates, Ruth D; Gobler, Christopher J; Greenwood, Spencer J; Guida, Stephanie M; Jacobi, Jennifer L; Jakobsen, Kjetill Sigurd; James, Erick R; Jenkins, Bethany; John, Uwe; Johnson, Matthew D; Juhl, Andrew R; Kamp, Anja; Katz, Laura A; Kiene, Ronald; Kudryavtsev, Alexander; Leander, Brian S; Lin, Senjie; Lovejoy, Connie; Lynn, Denis; Marchetti, Adrian; McManus, George; Nedelcu, Aurora M; Menden-Deuer, Susanne; Miceli, Cristina; Mock, Thomas; Montresor, Marina; Moran, Mary Ann; Murray, Shauna; Nadathur, Govind; Nagai, Satoshi; Ngam, Peter B; Palenik, Brian; Pawlowski, Jan; Petroni, Giulio; Piganeau, Gwenael; Posewitz, Matthew C; Rengefors, Karin; Romano, Giovanna; Rumpho, Mary E; Rynearson, Tatiana; Schilling, Kelly B; Schroeder, Declan C; Simpson, Alastair G B; Slamovits, Claudio H; Smith, David R; Smith, G Jason; Smith, Sarah R; Sosik, Heidi M; Stief, Peter; Theriot, Edward; Twary, Scott N; Umale, Pooja E; Vaulot, Daniel; Wawrik, Boris; Wheeler, Glen L; Wilson, William H; Xu, Yan; Zingone, Adriana; Worden, Alexandra Z (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Microbial ecology is plagued by problems of an abstract nature. Cell sizes are so small and population sizes so large that both are virtually incomprehensible. Niches are so far from our everyday experience as to make their ...
  • Marine phytoplankton community data and corresponding environmental properties from eastern Norway, 1896–2020 
    Lundsør, Elisabeth; Lømsland, Evy Rigmor; Johnsen, Torbjørn Martin; Engesmo, Anette; King, Andrew Luke; Staalstrøm, Andre; Norli, Marit; Magnusson, Jan; Sørensen, Kai; Edvardsen, Bente; Eikrem, Wenche (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Time series are essential for studying the long-term effects of human impact and climatic changes on the natural environment. Although data exist, no long-term phytoplankton dataset for the Norwegian coastal area ...
  • Protist Diversity and Seasonal Dynamics in Skagerrak Plankton Communities as Revealed by Metabarcoding and Microscopy 
    Gran-Stadniczenko, Sandra; Egge, Elianne; Hostyeva, Vladyslava; Logares, Ramiro; Eikrem, Wenche; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Protist community composition and seasonal dynamics are of major importance for the production of higher trophic levels, such as zooplankton and fish. Our aim was to reveal how the protist community in the Skagerrak changes ...
  • Revisions to the Classification, Nomenclature, and Diversity of Eukaryotes 
    Adl, Sina M.; Bass, David; Lane, Christopher E.; Lukes, Julius; Schoch, Conrad L; Smirnov, Aleksey; Agatha, Sabine; Berney, Cedric; Brown, Matthew W.; Burki, Fabien; Cardenas, Paco; Cepicka, Ivan; Chistyakova, Lyudmila; del Campo, Javier; Dunthorn, Micah; Edvardsen, Bente; Eglit, Yana; Guillou, Laure; Hampl, Vladimir; Heiss, Aaron A.; Hoppenrath, Mona; James, Timothy Y.; Karnkowska, Anna; Karpov, Sergey; Kim, Eunsoo; Kolisko, Martin; Kudryavtsev, Alexander; Lahr, Daniel J. G.; Lara, Enrique; Le Gall, Line; Lynn, Denis; Mann, David G.; Massana, Ramon; Mitchell, Edward A.D.; Morrow, Christine; Park, Jong Soo; Pawlowski, Jan W.; Powell, Martha J.; Richter, Daniel J.; Rueckert, Sonja; Shadwick, Lora; Shimano, Satoshi; Spiegel, Frederick W.; Torruella, Guifré; Youssef, Noha; Zlatogursky, Vasily; Zhang, Qianqian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    This revision of the classification of eukaryotes follows that of Adl et al., 2012 [J. Euk. Microbiol . 59(5)] and retains an emphasis on protists. Changes since have improved the resolution of many nodes in phylogenetic ...
  • Seasonal diversity and dynamics of haptophytes in the Skagerrak, Norway, explored by high-throughput sequencing 
    Egge, Elianne Sirnæs; Johannessen, Torill Vik; Andersen, Tom; Eikrem, Wenche; Bittner, Lucie; Larsen, Aud; Sandaa, Ruth-Anne; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Microalgae in the division Haptophyta play key roles in the marine ecosystem and in global biogeochemical processes. Despite their ecological importance, knowledge on seasonal dynamics, community composition and abundance ...
  • Seasonal dynamics of algae-infecting viruses and their inferred interactions with protists 
    Gran Stadniczeñko, Sandra; Krabberød, Anders Kristian; Sandaa, Ruth-Anne; Yau, Sheree; Egge, Elianne Dunthorn; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Viruses are a highly abundant, dynamic, and diverse component of planktonic communities that have key roles in marine ecosystems. We aimed to reveal the diversity and dynamics of marine large dsDNA viruses infecting algae ...
  • Seasonal dynamics of haptophytes and dsDNA algal viruses suggest complex virus-host relationship 
    Johannessen, Torill Vik; Larsen, Aud; Bratbak, Gunnar; Pagarete, António; Edvardsen, Bente; Egge, Elianne Dunthorn; Sandaa, Ruth-Anne (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Viruses influence the ecology and diversity of phytoplankton in the ocean. Most studies of phytoplankton host–virus interactions have focused on bloom-forming species like Emiliania huxleyi or Phaeocystis spp. The role of ...
  • Seasonal dynamics of sea-ice protist and meiofauna in the northwestern Barents Sea 
    Marquardt, Miriam; Goraguer, Lucie Hélène Marie; Assmy, Philipp Kurt Wolf; Bluhm, Bodil Annikki Ulla Barbro; Aaboe, Signe; Down, Emily; Patrohay, Evan; Edvardsen, Bente; Tatarek, Agnieszka; Smola, Zofia; Wiktor, Józef; Gradinger, Rolf Rudolf (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The rapid decline of Arctic sea ice makes understanding sympagic (ice-associated) biology a particularly urgent task. Here we studied the poorly known seasonality of sea-ice protist and meiofauna community composition, ...
  • Spatial and biological oceanographic insights into the massive fish-killing bloom of the haptophyte Chrysochromulina leadbeateri in northern Norway 
    John, Uwe; Supraha, Luka; Gran-Stadniczeñko, Sandra; Bunse, Carina; Cembella, Allan; Eikrem, Wenche; Janouskovec, Jan; Klemm, Kerstin; Kühne, Nancy; Naustvoll, Lars Johan; Voss, Daniela; Wohlrab, Sylke; Edvardsen, Bente (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    A bloom of the fish-killing haptophyte Chrysochromulina leadbeateri in northern Norway during May and June 2019 was the most harmful algal event ever recorded in the region, causing massive mortalities of farmed salmon. ...