Jostein A Johansen


Arbeidstittel

Senioringeniør, Kjemisk syntese og analyse

Stillingsbeskrivelse


  • Zewde, T. W.; Kifle, Dejene; Johansen, Jostein a; Demissie, Taye Beyene; Hansen, Jørn H; Tadesse, Zenebe. Cyanobacterial abundance and microcystins in water, seston and fish tissues in Lake Hora-Arsedi (Ethiopia). African Journal of Aquatic Science 2020; Volum 45. ISSN 1608-5914.s 475 - 485.s doi: 10.2989/16085914.2020.1723485.
  • Khider, Miriam; Hansen, Hilde; Hjerde, Erik; Johansen, Jostein a; Willassen, Nils Peder. Exploring the transcriptome of luxI- and ΔainS mutants and the impact of N-3-oxo-hexanoyl-L- and N-3-hydroxy- decanoyl-L-homoserine lactones on biofilm formation in Aliivibrio salmonicida. PeerJ 2019; Volum 2019. ISSN 2167-8359.s doi: 10.7717/peerj.6845.
  • Tilahun, Samson; Kifle, Demeke; Zewde, Tigist W; Johansen, Jostein a; Demissie, Taye Beyene; Hansen, Jørn H. Temporal dynamics of intra-and extra-cellular microcystins concentrations in Koka reservoir (Ethiopia): Implications for public health risk. Toxicon 2019; Volum 168. ISSN 0041-0101.s 83 - 92.s doi: 10.1016/j.toxicon.2019.06.217.
  • Zewede, Tigist W; Johansen, Jostein a; Kifle, Demeke; Demissie, Taye Beyene; Hansen, Jørn H; Tadesse, Zenebe. Concentrations of microcystins in the muscle and liver tissues of fish species from Koka reservoir, Ethiopia: A potential threat to public health. Toxicon 2018; Volum 153. ISSN 0041-0101.s 85 - 95.s doi: 10.1016/j.toxicon.2018.08.013.
  • Hansen, Kine Østnes; Isaksson, Johan; Bayer, Annette; Johansen, Jostein a; Andersen, Jeanette hammer; Hansen, Espen. Securamine Derivatives from the Arctic Bryozoan Securiflustra securifrons. Journal of natural products 2017; Volum 80 (12). ISSN 0163-3864.s 3276 - 3283.s doi: 10.1021/acs.jnatprod.7b00703.
  • Solstad, Runar Gjerp; Li, Chun; Isaksson, Johan; Johansen, Jostein a; Svenson, Johan; Stensvåg, Klara; Haug, Tor. Novel antimicrobial peptides EeCentrocins 1, 2 and EeStrongylocin 2 from the Edible sea urchin Echinus esculentus have 6-br-trp post-translational modifications. PLOS ONE 2016; Volum 11 (3). ISSN 1932-6203.s doi: 10.1371/journal.pone.0151820.
  • Hansen, Hilde; Johansen, Jostein a; Leiros, Hanna-Kirsti S.; Purohit, Amit Anand; Willassen, Nils Peder; Bjelland, Ane Mohn; Kellermann, Stefanie J.. The autoinducer synthases LuxI and AinS are responsible for temperature-dependent AHL production in the fish pathogen Aliivibrio salmonicida. BMC Microbiology 2015. ISSN 1471-2180.s doi: 10.1186/s12866-015-0402-z.
  • Purohit, Amit Anand; Johansen, Jostein a; Hansen, Hilde; Leiros, Hanna-Kirsti S.; Kashulin, Alexander; Karlsen, Christian; Smalås, Arne O.; Haugen, Peik; Willassen, Nils Peder. Presence of acyl-homoserine lactones in 57 members of the Vibrionaceae family. Journal of Applied Microbiology 2013; Volum 115 (3). ISSN 1364-5072.s 835 - 847.s doi: 10.1111/jam.12264.
  • Haug, Tor; Solstad, Runar Gjerp; Li, Chun; Isaksson, Johan; Johansen, Jostein a; Svenson, Johan; Stensvåg, Klara. Halogenated antimicrobial peptides from the red sea urchin, Echinus esculentus.. The 8th International Conference on Marine Bioprospecting (BIOPROSP 2017) 2017-03-08 - 2017-03-10 2017.
  • Solstad, Runar Gjerp; Li, Chun; Isaksson, Johan; Johansen, Jostein a; Svenson, Johan; Stensvåg, Klara; Haug, Tor. Novel antimicrobial peptides EeCentrocins 1, 2 and EeStrongylocin 2 from the edible sea urchin Echinus esculentus have 6-Br-Trp post-translational modifications. 6th International Meeting on Antimicrobial Peptides 2016-08-31 - 2016-09-03 2016.
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