Browsing Department of Informatics by Author "Jonassen, Inge"

Now showing items 1-20 of 30

    • Application of quantitative transcriptomics in evaluating the ex vivo effects of per- and polyfluoroalkyl substances on Atlantic cod (Gadus morhua) ovarian physiology 

      Khan, Essa Ahsan; Zhang, Xiaokang; Hanna, Eileen Marie; Yadetie, Fekadu; Jonassen, Inge; Goksøyr, Anders; Arukwe, Augustine (Journal article; Peer reviewed, 2021)
      Because of their global consumption and persistence, per- and polyfluoroalkyl substances (PFASs), are ubiquitously distributed in the environment, as well as in wildlife and humans. In the present study, we have employed ...

    • The Atlantic salmon genome provides insights into rediploidization 

      Lien, Sigbjørn; Koop, Ben F; Sandve, Simen Rød; Miller, Jason R.; Kent, Matthew Peter; Nome, Torfinn; Hvidsten, Torgeir Rhoden; Leong, Jong; Minkley, David R.; Zimin, Aleksey; Grammes, Fabian; Grove, Harald; Gjuvsland, Arne Bjørke; Walenz, Brian; Hermansen, Russell A.; von Schalburg, Kristian R.; Rondeau, Eric; Genova, Alex Di; Antony Samy, Jeevan Karloss; Vik, Jon Olav; Vigeland, Magnus Dehli; Caler, Lis; Grimholt, Unni; Jentoft, Sissel; Våge, Dag Inge; de Jong, Pieter J.; Moen, Thomas; Baranski, Matthew; Palti, Yniv; Smith, Douglas W.; Yorke, James A.; Nederbragt, Alexander J.; Tooming-Klunderud, Ave; Jakobsen, Kjetill Sigurd; Jiang, Xuanting; Fan, Dingding; Hu, Yan; Liberles, David A.; Vidal, Rodrigo; Iturra, Patricia; Jones, Steven J.M.; Jonassen, Inge; Maass, Alejandro; Omholt, Stig William; Davidson, William S (Peer reviewed; Journal article, 2016-05)
      The whole-genome duplication 80 million years ago of the common ancestor of salmonids (salmonid-specific fourth vertebrate whole-genome duplication, Ss4R) provides unique opportunities to learn about the evolutionary fate ...

    • The bio.tools registry of software tools and data resources for the life sciences 

      Ison, Jon; Ienasescu, Hans-Ioan; Chmura, Piotr; Rydza, Emil; Ménager, Hervé; Kalaš, Matúš; Schwämmle, Veit; Grüning, Björn A.; Beard, Niall; Lopez, Rodrigo; Duvaud, Severine; Stockinger, Heinz; Persson, Bengt; Svobodová Vařeková, Radka; Raček, Tomáš; Vondrášek, Jiří; Peterson, Hedi; Salumets, Ahto; Jonassen, Inge; et al., +18 authors (total 37) (Peer reviewed; Journal article, 2019-08-12)
      Bioinformaticians and biologists rely increasingly upon workflows for the flexible utilization of the many life science tools that are needed to optimally convert data into knowledge. We outline a pan-European enterprise ...

    • BioXSD: the common data-exchange format for everyday bioinformatics web services 

      Kalaš, Matúš; Puntervoll, Pål; Joseph, Alexandre; Bartaševičiūtė, Edita; Töpfer, Armin; Venkataraman, Prabakar; Pettifer, Steve; Bryne, Jan Christian; Ison, Jon; Blanchet, Christophe; Rapacki, Kristoffer; Jonassen, Inge (Peer reviewed; Journal article, 2010)
      Motivation: The world-wide community of life scientists has access to a large number of public bioinformatics databases and tools, which are developed and deployed using diverse technologies and designs. More and more of ...

    • Characteristics of 454 pyrosequencing data—enabling realistic simulation with flowsim 

      Balzer, Susanne Mignon; Malde, Ketil; Lanzén, Anders; Sharma, Animesh; Jonassen, Inge (Peer reviewed; Journal article, 2010)
      Motivation: The commercial launch of 454 pyrosequencing in 2005was a milestone in genome sequencing in terms of performance and cost. Throughout the three available releases, average read lengths have increased to ∼500 ...

    • A Comparative Analysis of Feature Selection Methods for Biomarker Discovery in Study of Toxicant-Treated Atlantic Cod (Gadus Morhua) Liver 

      Zhang, Xiaokang; Jonassen, Inge (Communications in Computer and Information Science; 1056, Chapter; Peer reviewed, 2019)
      Univariate and multivariate feature selection methods can be used for biomarker discovery in analysis of toxicant exposure. Among the univariate methods, differential expression analysis (DEA) is often applied for its ...

    • Disentangling genetic and epigenetic determinants of ultrafast adaptation 

      Gjuvsland, Arne Bjørke; Zörgö, Enikö Beatrix; Antony Samy, Jeevan Karloss; Stenberg, Simon; Demirsoy, Ibrahim H; Roque, Francisco; Maciaszczyk-Dziubinska, Ewa; Migocka, Magdalena; Alonso-Perez, Elisa; Zackrisson, Martin; Wysocki, Robert; Tamas, Markus J; Jonassen, Inge; Omholt, Stig William; Warringer, Jonas (Peer reviewed; Journal article, 2016)
      A major rationale for the advocacy of epigenetically mediated adaptive responses is that they facilitate faster adaptation to environmental challenges. This motivated us to develop a theoretical–experimental framework for ...

    • EDAM: an ontology of bioinformatics operations, types of data and identifiers, topics and formats 

      Ison, Jon; Kalaš, Matúš; Jonassen, Inge; Bolser, Dan; Uludag, Mahmut; McWilliam, Hamish; Malone, James; Lopez, Rodrigo; Pettifer, Steve; Rice, Peter (Peer reviewed; Journal article, 2013)
      Motivation: Advancing the search, publication and integration of bioinformatics tools and resources demands consistent machine-understandable descriptions. A comprehensive ontology allowing such descriptions is therefore ...

    • The EMBRACE web service collection 

      Pettifer, Steve; Ison, Jon; Kalaš, Matúš; Thorne, David; McDermott, Philip; Jonassen, Inge; Ali, Liaquat; Fernandez, Jose M; Rodriguez, Jose M; Pisano, David G; Blanchet, Christophe; Uludag, Mahmut; Rice, Peter; Bartaseviciute, Edita; Rapacki, Kristoffer; Hekkelman, Maarten; Sand, Olivier; Stockinger, Heinz; Clegg, Andrew B; Bongcam-Rudloff, Eric; Salzemann, Jean; Breton, Vincent; Attwood, Teresa K; Cameron, Graham; Vriend, Gert (Peer reviewed; Journal article, 2010-05-10)
      The EMBRACE (European Model for Bioinformatics Research and Community Education) web service collection is the culmination of a 5-year project that set out to investigate issues involved in developing and deploying web ...

    • An Ensemble Feature Selection Framework Integrating Stability 

      Zhang, Xiaokang; Jonassen, Inge (Chapter; Peer reviewed, 2019)
      Ensemble feature selection has drawn more and more attention in recent years. There are mainly two strategies for ensemble feature selection, namely data perturbation and function perturbation. Data perturbation performs ...

    • Filtering duplicate reads from 454 pyrosequencing data 

      Balzer, Susanne Mignon; Malde, Ketil; Grohme, Markus A.; Jonassen, Inge (Peer reviewed; Journal article, 2013)
      Motivation: Throughout the recent years, 454 pyrosequencing has emerged as an efficient alternative to traditional Sanger sequencing and is widely used in both de novo whole-genome sequencing and metagenomics. Especially ...

    • The genome sequence of Atlantic cod reveals a unique immune system 

      Star, Bastiaan; Nederbragt, Alexander Johan; Jentoft, Sissel; Grimholt, Unni; Malmstrøm, Martin; Gregers, Tone Fredsvik; Rounge, Trine Ballestad; Paulsen, Jonas; Solbakken, Monica Hongrø; Sharma, Animesh; Wetten, Ola Frang; Lanzén, Anders; Winer, Roger; Knight, James; Vogel, Jan-Hinnerk; Aken, Bronwen; Andersen, Øivind; Lagesen, Karin; Tooming-Klunderud, Ave; Edvardsen, Rolf; Kirubakaran, G. Tina; Espelund, Mari; Nepal, Chirag; Previti, A. Christopher; Karlsen, Bård Ove; Moum, Truls; Skage, Morten; Berg, Paul Ragnar; Gjøen, Tor; Kuhl, Heiner; Thorsen, Jim; Malde, Ketil; Reinhardt, Richard; Du, Lei; Johansen, Steinar Daae; Searle, Steve; Lien, Sigbjørn; Nilsen, Frank; Jonassen, Inge; Omholt, Stig W; Stenseth, Nils Christian; Jakobsen, Kjetill Sigurd (Peer reviewed; Journal article, 2011-09)
      Atlantic cod (Gadus morhua) is a large, cold-adapted teleost that sustains long-standing commercial fisheries and incipient aquaculture. Here we present the genome sequence of Atlantic cod, showing evidence for complex ...

    • Machine Learning Approaches for Biomarker Discovery Using Gene Expression Data 

      Zhang, Xiaokang; Jonassen, Inge; Goksøyr, Anders (Chapter, 2021)
      Biomarkers are of great importance in many fields, such as cancer research, toxicology, diagnosis and treatment of diseases, and to better understand biological response mechanisms to internal or external intervention. ...

    • Mathematical modelling of nitric oxide/cyclic GMP/cyclic AMP signalling in platelets 

      Kleppe, Rune; Jonassen, Inge; Doskeland, Stein Ove; Selheim, Frode (Peer reviewed; Journal article, 2018-02-19)
      Platelet activation contributes to normal haemostasis but also to pathologic conditions like stroke and cardiac infarction. Signalling by cGMP and cAMP inhibit platelet activation and are therefore attractive targets for ...

    • Metagenome-assembled genome distribution and key functionality highlight importance of aerobic metabolism in Svalbard permafrost 

      Xue, Yaxin; Jonassen, Inge; Øvreås, Lise; Tas, Neslihan (Journal article; Peer reviewed, 2020)
      Permafrost underlies a large portion of the land in the Northern Hemisphere. It is proposed to be an extreme habitat and home for cold-adaptive microbial communities. Upon thaw permafrost is predicted to exacerbate increasing ...

    • Modulation of Transcriptional and Inflammatory Responses in Murine Macrophages by the Mycobacterium tuberculosis Mammalian Cell Entry (Mce) 1 Complex 

      Stavrum, Ruth; Stavrum, Anne-Kristin; Valvatne, Håvard; Riley, Lee W.; Ulvestad, Elling; Jonassen, Inge; Assmus, Jørg; Doherty, Tanya Mark; Grewal, Harleen M. S. (Peer reviewed; Journal article, 2011-10-24)
      The outcome of many infections depends on the initial interactions between agent and host. Aiming at elucidating the effect of the M. tuberculosis Mce1 protein complex on host transcriptional and immunological responses ...

    • Norwegian e-Infrastructure for Life Sciences (NeLS) 

      Tekle, Kidane M; Gundersen, Sveinung; Klepper, Kjetil; Bongo, Lars Ailo; Raknes, Inge Alexander; Li, Xiaxi; Zhang, Wei; Andreetta, Christian; Mulugeta, Teshome Dagne; Kalaš, Matúš; Rye, Morten Beck; Hjerde, Erik; Antony Samy, Jeevan Karloss; Fornous, Ghislain; Azab, Abdulrahman; Våge, Dag Inge; Hovig, Eivind; Willassen, Nils Peder; Drabløs, Finn; Nygård, Ståle; Petersen, Kjell; Jonassen, Inge (Peer reviewed; Journal article, 2018)
      The Norwegian e-Infrastructure for Life Sciences (NeLS) has been developed by ELIXIR Norway to provide its users with a system enabling data storage, sharing, and analysis in a project-oriented fashion. The system is ...

    • A novel approach to co-expression network analysis identifies modules and genes relevant for moulting and development in the Atlantic salmon louse (Lepeophtheirus salmonis) 

      Zhou, Zhaoran; Eichner, Christiane; Nilsen, Frank; Jonassen, Inge; Dondrup, Michael (Journal article; Peer reviewed, 2021)
      Background The salmon louse (Lepeophtheirus salmonis) is an obligate ectoparasitic copepod living on Atlantic salmon and other salmonids in the marine environment. Salmon lice cause a number of environmental problems and ...

    • Predicting Gene Regulatory Elements in Silico on a Genomic Scale 

      Brazma, Alvis; Jonassen, Inge; Vilo, Jaak; Ukkonen, Esko (Journal article, 1998-05-18)
      We performed a systematic analysis of gene upstream regions in the yeast genome for occurrences of regular expression-type patterns with the goal of identifying potential regulatory elements. To achieve this goal, we have ...

    • Quantitative transcriptomics, and lipidomics in evaluating ovarian developmental effects in Atlantic cod (Gadus morhua) caged at a capped marine waste disposal site 

      Khan, Essa Ahsan; Zhang, Xiaokang; Hanna, Eileen Marie; Bartosova, Zdenka; Yadetie, Fekadu; Jonassen, Inge; Goksøyr, Anders; Arukwe, Augustine (Journal article; Peer reviewed, 2020)
      In the present study, a previously capped waste disposal site at Kollevåg (Norway) was selected to study the effects of contaminant leakage on biomarkers associated with Atlantic cod (Gadus morhua) reproductive endocrinology ...