Per Juel Hansen

Per Juel Hansen

Professor

ORCID: 0000-0003-0228-9621

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  1. Published

    Interactions Between Toxic Marine Phytoplankton and Metazoan and Protistan Grazers

    Hansen, Per Juel, Tester, P. A. & Turner, J. T., 1998, In: NATO SGI. Ser. G 41, p. 453-473

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Interactions among marine protists: importance of mixotrophy, pH and toxins

    Hansen, Per Juel, 2007, In: Journal of Phycology. supl 1, p. 13-14 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research

  3. Published

    Isolation and cultivation of microalgae select for low growth rate and tolerance to high pH

    Berge, T., Daugbjerg, Niels & Hansen, Per Juel, 2012, In: Harmful Algae. 20, p. 101-110 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Karmitoxin: an amine containing polyhydroxy-polyene toxin from the marine dinoflagellate Karlodinium armiger

    Rasmussen, S. A., Binzer, S. B., Hoeck, C., Meier, S., Soman de Medeiros, L., Andersen, N. G., Place, A., Nielsen, K. F., Hansen, Per Juel & Larsen, T. O., 5 Apr 2017, In: Journal of Natural Products. 80, 5, p. 1287−1293 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Karmitoxin production by Karlodinium armiger and the effects of K. armiger and karmitoxin towards fish

    Binzer, S. B., Varga, E., Andersen, A. J. C., Svenssen, D. K., de Medeiros, L. S., Rasmussen, S. A., Larsen, T. O. & Hansen, Per Juel, 2020, In: Harmful Algae. 99, 13 p., 101905.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Lack of allelopathic effects of the domoic acid-producing marine diatom Pseudo-nitzschia multiseries

    Lundholm, Nina, Hansen, Per Juel & Kotaki, Y., 2005, In: Marine Ecology - Progress Series. 288, p. 21-33

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Limits to the cellular control of sequestered cryptophyte prey in the marine ciliate Mesodinium rubrum: [incl. correction]

    Altenburger, A., Cai, H., Li, Q., Drumm, Kirstine, Kim, M., Zhu, Y., Garcia-Cuetos, L., Zhan, X., Hansen, Per Juel, John, U., Li, S. & Lundholm, Nina, 2021, In: The ISME Journal. 15, 4, p. 1056-1072 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Local adaptation through countergradient selection in northern populations of Skeletonema marinoi

    Sefbom, J., Kremp, A., Hansen, Per Juel, Johannesson, K., Godhe, A. & Rengefors, K., 2023, In: Evolutionary Applications. 16, 2, 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Long-read genome sequencing provides novel insights into the harmful algal bloom species Prymnesium parvum

    Jian, J., Wu, Z., Silva-núñez, A., Li, X., Zheng, X., Luo, B., Liu, Y., Fang, X., Workman, C. T., Larsen, T. O., Hansen, Per Juel & Sonnenschein, E. C., 2024, In: Science of the Total Environment. 908, 168042.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Loss of phototaxis and degeneration of an eyespot in long-term algal cultures: evidence from ultrastructure and behaviour in the dinoflagellate Kryptoperidinium foliaceum

    Moldrup, M., Moestrup, Øjvind & Hansen, Per Juel, 2013, In: Journal of Eukaryotic Microbiology. 60, 4, p. 327–334 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Marine Plankton: A Practical Guide to Ecology, Methodology, and Taxonomy. Edited by Claudia Castellani and Martin Edwards. Oxford and New York: Oxford University Press

    Hansen, Per Juel, 2020, In: The Quarterly Review of Biology. 95, 1, p. 76-77 1 p.

    Research output: Contribution to journal › Literature review › Communication

  12. Published

    Marine microalgae attack and feed on metazoans

    Berge, T., Poulsen, L. K., Moldrup, M., Daugbjerg, Niels & Hansen, Per Juel, 2012, In: I S M E Journal. 6, p. 1926-1936 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Mass entrapment and lysis of Mesodinium rubrum cells in mucus threads observed in cultures with Dinophysis

    Ojamäe, K., Hansen, Per Juel & Lips, I., 2016, In: Harmful Algae. 55, p. 77-84 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Meeting Report: Third European Congress of Protistology and 9th European Congress on Ciliate Biology, Helsingør, Denmark, July 26-30

    Hansen, Per Juel, 1999, In: Protist. 150, p. 225-228

    Research output: Contribution to journal › Journal article › Research

  15. Published

    Meeting report: Third European Congress of Protistology and 9th European Congress on Ciliate Biology, Helsingor, Denmark, July 26-30, 1999

    Hansen, Per Juel & Leick, V., 1 Jan 1999, In: Protist. 150, 3, p. 225-228 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Metabolic Reliance on Photosynthesis Depends on Both Irradiance and Prey Availability in the Mixotrophic Ciliate, Strombidium cf. basimorphum

    Hughes, E. A., Maselli, Maira, Sørensen, Helle & Hansen, Per Juel, 2021, In: Frontiers in Microbiology. 12, 12 p., 642600.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Metabolic and physiological changes in Prymnesium parvum when grown under, and grazing on prey of, variable nitrogen: phosphorus stoichiometry

    Lundgren, V. M., Glibert, P. M., Graneli, E., Vidyarathna, N. K., Fiori, E., Ou, L., Flynn, K. J., Mitra, A., Stoecker, D. K. & Hansen, Per Juel, 2016, In: Harmful Algae. 55, p. 1-12 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Meteorological conditions induce strong shifts in mixotrophic and heterotrophic flagellate bacterivory over small spatio-temporal scales

    Anderson, R. & Hansen, Per Juel, 2020, In: Limnology and Oceanography. 65, 6, p. 1189–1199 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Microbial diversity and activity in a Danish fjord with anoxic deep water

    Fenchel, Tom, Bernard, C., Esteban, G., Finlay, B. J., Hansen, Per Juel & Iversen, N., 1995, In: Marine Biology Research. 43(1), p. 45-100

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Microplastic pollution associated with reduced respiration in seagrass (Zostera marina L.) and associated epiphytes

    Molin, J. M., Groth-Andersen, W. E., Hansen, Per Juel, Kühl, Michael & Brodersen, Kasper Elgetti, 2023, In: Frontiers in Marine Science. 10, 14 p., 1216299.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Misuse of the phytoplankton-zooplankton dichotomy: the need to assign organisms as mixotrophs within plankton functional types

    Flynn, K. J., Stoecker, D. K., Mitra, A., Raven, J. A., Glibert, P. M., Hansen, Per Juel, Granéli, E. & Burkholder, J. M., 2013, In: Journal of Plankton Research. 35, 1, p. 3-11 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Mixoplankton interferences in dilution grazing experiments

    Ferreira, G. D., Romano, F., Medic, Nikola, Pitta, P., Hansen, Per Juel, Flynn, K. J., Mitra, A. & Calbet, A., 2021, In: Scientific Reports. 11, 16 p., 23849.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Mixotrophic feeding of Fragilidium subglobosum (Dinophyceae) on three species of Ceratium: Effects of prey concentration, prey species and light intensity

    Hansen, Per Juel & Nielsen, T. G., 1997, In: Marine Ecology - Progress Series. 147, p. 187-196

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Mixotrophic lifestyle of the ichthyotoxic haptophyte, Prymnesium parvum, offered different sources of phosphorus: [Inkl. Corrigendum]

    Boucher, C., Lacour, T., Julie, A., Damien, R., Hansen, Per Juel & Francis, M., 2023, In: Harmful Algae. 127, p. 1-10 10 p., 102483.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Mixotrophic phytoflagellate bacterivory field measurements strongly biased by standard approaches: a case study

    Anderson, R., Jürgens, K. & Hansen, Per Juel, 26 Jul 2017, In: Frontiers in Microbiology. 8, 12 p., 1398.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Mixotrophic protists and a new paradigm for marine ecology: where does plankton research go now?

    Flynn, K. J., Mitra, A., Anestis, K., Anschütz, A. A., Calbet, A., Ferreira, G. D., Gypens, N., Hansen, P. J., John, U., Martin, J. L., Mansour, J. S., Maselli, M., Medic, N., Norlin, A., Not, F., Pitta, P., Ramano, F., Saiz, E., Schneider, L. K., Stolte, W. & 1 others, Traboni, C., 2019, In: Journal of Plankton Research. 41, 4, p. 375-391 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Mixotrophy among freshwater and marine protists

    Hansen, Per Juel, Anderson, R., Stoecker, D. K., Decele, J., Altenburger, A., Blossom, H. E., Drumm, Kirstine, Mitra, A. & Flynn, K. J., 2019, Encyclopedia of Microbiology. Schmidt, T. (ed.). 4 ed. Academic Press, p. 199-210

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  28. Published

    Mixotrophy in Dinoflagellates: Prey Selection, Physiology and Ecological Importance

    Hansen, Per Juel & Tillmann, U., 2020, Dinoflagellates: Classification, Evolution, Physiology and Ecological Significance. Durvasula, S. R. V. (ed.). Nova Science Publishers, p. 201-260 60 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  29. Published

    Mixotrophy in chlorophytes and haptophytes: effect of irradiance, macronutrient, micronutrient and vitamin limitation

    Anderson, R., Charvet, S. & Hansen, Per Juel, 2018, In: Frontiers in Microbiology. 9, 13 p., 1704.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Mixotrophy in the marine plankton

    Stoecker, D. K., Hansen, Per Juel, Caron, D. & Mitra, A., Jan 2017, In: Annual Review of Marine Science. 9, p. 311–335 25 p.

    Research output: Contribution to journal › Review › Research › peer-review

  31. Published

    Modelling succession of key resource harvesting traits of mixotrophic plankton populations

    Berge, T., Chakraborty, S., Hansen, Per Juel & Andersen, K. H., 15 Jan 2017, In: The ISME Journal. 11, p. 212–223 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Motile behaviour of the bloom-forming ciliate Mesodinium rubrum

    Fenchel, Tom & Hansen, Per Juel, 2006, In: Marine Biology Research. 2, 1, p. 33-40

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Multiple ocean stressors: a scientific summary for policy makers

    Beusen, A., Boyd, P. W., Breitburg, D., Comeau, S., Hansen, Per Juel, Isensee, K., Kudela, R. M., Lundholm, Nina, Otto, S., Schwing, F. & Tilbrook, B., 2022, Unesco. 22 p. (IOC Information Series, Vol. 1404).

    Research output: Book/Report › Report › Research › peer-review

  34. Published

    Net growth of the bloom-forming dinoflagellate Heterocapsa triquetra and pH: why turbulence matters.

    Havskum, H. & Hansen, Per Juel, 2006, In: Aquatic Microbial Ecology. 42, p. 55-62

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Novel type of eukaryotic endosymbiont in Amphisolenia bidentata identified using ribosomal gene sequence determinations

    Daugbjerg, Niels, Jensen, M. H. & Hansen, Per Juel, 2009, In: Phycologia. 4, p. 24-24 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research

  36. Published

    Ocean acidification with (de)eutrophication will alter future phytoplankton growth and succession

    Flynn, K. J., Darren, C. R., Mitra, A., Heiner, F., Hansen, Per Juel, Glibert, P., Wheeler, G. L., Stoecker, D. K., Blackford, J. C. & Brownlee, C., 2015, In: Proceedings of the Royal Society B: Biological Sciences. 282, 1804, 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Oceanic protists with different forms of acquired phototrophy display contrasting biogeographies and abundance

    Leles, S., Mitra, A., Flynn, K. J., Stoecker, D. K., Hansen, Per Juel, Calbet, A., McManus, G. B., Sanders, R. W., Caron, D. A., Not, F., Hallegraeff, G. M., Pitta, P., Raven, J. A., Johnson, M. D., Glibert, P. M. & Våge, S., 16 Aug 2017, In: Proceedings of the Royal Society B: Biological Sciences. 284, 1860, 6 p., 20170664.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    On the occurrence of the potentially toxic dinoflagellates Alexandrium tamarense (=Gonyaulax excavata) and Alexandrium ostenfeldii in Danish and Faroese waters

    Moestrup, Ø. & Hansen, Per Juel, 1988, In: Marine Biology Research. 28, p. 195-213

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Opblomstring af stilkalger i Storebælt

    Hansen, Per Juel, Nielsen, T. G. & Kaas, H., 1994, In: Vand og Jord. 1. årg., nr. 2, p. 8-13

    Research output: Contribution to journal › Journal article › Research

  40. Published

    Phagotrophic Mechanisms and Prey Selection in Free-living Dinoflagellates

    Hansen, Per Juel & Calado, A. J., 1999, In: Journal of Eukaryotic Microbiology. 46(4), p. 328-389

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Phagotropic Mechanisms and Prey Selection in Mixotropic Phytoflagellates

    Hansen, Per Juel, 1998, In: NATO ASI Series. G 41, p. 527-537

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Photoregulation in a kleptochloroplastidic Dinoflagellate, Dinophysis acuta

    Hansen, Per Juel, Ojamäe, K., Berge, T., Trampe, Erik, Nielsen, L. T., Lipps, I. & Kühl, Michael, 2016, In: Frontiers in Microbiology. 7, 11 p., 785.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Physiological Responses of Mesodinium major to Irradiance, Prey Concentration and Prey Starvation

    Drumm, Kirstine, Norlin, A., Kim, M., Altenburger, A. & Hansen, Per Juel, 2021, In: Journal of Eukaryotic Microbiology. 68, 4, 13 p., e12854.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Physiology of the mixotrophic dinoflagellate Fragilidium subglobosum. I. Effects of phagotrophy and irradiance on photosynthesis and carbon content

    Skovgaard, A., Hansen, Per Juel & Stoecker, D. K., 2000, In: Marine Ecology - Progress Series. 201, p. 129-136

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Physiology of the mixotrophic dinoflagellate Fragilidium subglobosum. II. Effects of time scale and prey concentration on photosynthetic performance

    Hansen, Per Juel, Skovgaard, A., Glud, R. N. & Stoecker, D. K., 9 Aug 2000, In: Marine Ecology Progress Series. 201, p. 137-146 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Physiology of the mixotrophic dinoflagellate Fragilidium subglosum. II. Effects of time scale and prey concentration on photosynthetic performance

    Hansen, Per Juel, Skovgaard, A., Glud, R. N. & Stoecker, D. K., 2000, In: Marine Ecology - Progress Series. 201, p. 137-146

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Plant are not animals and animals are not plants, right? Wrong! Tiny creatures in the ocean can be both at once

    Glibert, P. M., Mitra, A., Flynn, K. J., Hansen, Per Juel, Jeong, H. J. & Stoecker, D., 2019, In: Frontiers for Young Minds. 7, 9 p., 48.

    Research output: Contribution to journal › Comment/debate › Communication

  48. Published

    Polyketide synthase genes and molecular trade-offs in the ichthyotoxic species Prymnesium parvum

    Anestis, K., Kohli, G. S., Wohlrab, S., Varga, E., Larsen, T. O., Hansen, Per Juel & John, U., 2021, In: Science of the Total Environment. 795, 10 p., 148878.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Predator Field and Colony Morphology Determine the Defensive Benefit of Colony Formation in Marine Phytoplankton

    Ryderheim, F., Hansen, Per Juel & Kiørboe, T., 2022, In: Frontiers in Marine Science. 9, 10 p., 829419.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Prey selection, ingestion and growth responses of the common marine ciliate Mesodinium pulex in the light and in the dark

    Tarangkoon, W. & Hansen, Per Juel, 2011, In: Aquatic Microbial Ecology. 62, 1, p. 25-38 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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