Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus


  1. 2009
  2. Published

    Latent manganese deficiency increases transpiration in barley (Hordeum vulgare)

    Hebbern, C. A., Laursen, Kristian Holst, Ladegaard, A. H., Schmidt, Sidsel Birkelund, Pedas, P. R., Bruhn, D., Schjoerring, Jan K., Wulfsohn, D. & Husted, Søren, 2009, In: Physiologia Plantarum : An International Journal for Plant Biology. 135, 3, p. 307-316 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Micro-scaled high-throughput digestion of plant tissue samples for multi-elemental analysis

    Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Persson, Daniel Pergament, Pedas, P., Husted, Søren & Schjoerring, Jan K., 2009, In: Plant Methods. 5, 12, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Multi-elemental fingerprinting of plant tissue by semi-quantitative ICP-MS and chemometrics

    Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Persson, Daniel Pergament, Schjoerring, Jan K. & Husted, Søren, 2009, In: Journal of Analytical Atomic Spectrometry. 24, 9, p. 1198-1207 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Ny viden om hvordan afgrødernes fysiologiske kvælstofudnyttelse kan øges

    Schjoerring, Jan K., 2009. 2 p.

    Research output: Contribution to conferencePaperResearch

  6. Published

    Plant metallothioneins and functional analysis of a barley metallothionein promoter

    Schiller, M., Hegelund, J. N., Pedas, P., Husted, Søren & Schjoerring, Jan K., 2009, The proceedings of the International Plant Nutrition Colloquium. Department of Plant Sciences, University of California, Davis, 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  7. Published

    Processes controlling the exchange of ammonia between grassland and the atmosphere (GRAMINAE) - results from the Braunschweig field experiment

    Pilegaard, K., Schjoerring, Jan K. & Sutton, M. A., 2009, In: Biogeosciences. 6, p. 3149–3150 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Recent developments in plant tissue analysis

    Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Persson, Daniel Pergament, Schjoerring, Jan K. & Husted, Søren, 2009, The proceedings of the International Plant Nutrition Colloquium. Department of Plant Sciences, University of California, Davis, 5 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  9. Published

    Responses of cucumber plant to NH4+ and NO3- nutrition: the relative addition rate technique vs. cultivation at constant nitrogen concentration

    Roosta, H. R., Sajjadinia, A., Rahimi, A. & Schjoerring, Jan K., 2009, In: Scientia Horticulturae. 121, 4, p. 397-403 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    SURFATM-NH3: a model combining the surface energy balance and bi-directional exchanges of ammonia applied at the field scale

    Personne, E., Loubet, B., Herrmann, B., Mattsson, M. E., Schjoerring, Jan K., Nemitz, E., Sutton, M. A. & Cellier, P., 2009, In: Biogeosciences. 6, 8, p. 1371-1388 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published
  12. Published

    Sustainable plant production in a changing world - a cross Faculty research network at KU

    Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Pedersen, J. G. T., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009.

    Research output: Contribution to conferencePosterResearch

  13. Published

    Sustainable plant production in a changing world - formation of a cross-faculty network

    Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Torp, J., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009, In: IOP Conference Series: Earth and Environmental Science. 6, Session 34, 2 p., 342014.

    Research output: Contribution to journalConference abstract in journalResearch

  14. Published

    Temporal variability in bioassays of the stomatal ammonia compensation point in relation to plant and soil nitrogen parameters in intensively managed grassland

    Mattsson, M. E., Herrmann, B., David, M., Loubet, B., Riedo, M., Theobald, M. R., Sutton, M. A., Bruhn, D., Neftel, A. & Schjoerring, Jan K., 2009, In: Biogeosciences. 6, 2, p. 171-179 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    The Arabidopsis ATP-binding cassette protein AtMRP5/AtABCC5 is a high-affinity inositol hexakisphosphate transporter involved in guard cell signaling and phytate storage

    Nagy, R., Grob, H., Weder, B., Green, P., Klein, M., Frelet-Barrand, A., Schjoerring, Jan K., Brearley, C. & Martinola, E., 2009, In: Journal of Biological Chemistry. 284, 48, p. 33614-33622 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The effects of management on ammonia fluxes over a cut grassland as measured by use of dynamic chambers

    David, M., Roche, R., Mattsson, M. E., Sutton, M. A., Dämmgen, U., Schjoerring, Jan K. & Cellier, P., 2009, In: Biogeosciences Discussions. 6, 1, p. 1599-1623 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    The speciation of Zn, Fe, S and P in cereal grain tissue using LC-ICPMS and LC-ESIMS

    Husted, Søren, Persson, Daniel Pergament, Hansen, Thomas Hesselhøj & Schjoerring, Jan K., 2009. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  18. Published

    Vertical structure and diurnal variability of ammonia exchange potential within an intensively managed grass canopy

    Herrmann, B., Mattsson, M. E., Jones, S. K., Cellier, P., Milford, C., Sutton, M. A., Schjoerring, Jan K. & Neftel, A., 2009, In: Biogeosciences. 6, 1, p. 15-23 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Zinc and iron speciation in the cereal grain

    Schjoerring, Jan K., Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Laursen, Kristian Holst & Husted, Søren, 2009, The proceedings of the International Plant Nutrition Colloquium XVI. Department of Plant Sciences, University of California, Davis, 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  20. 2008
  21. Published

    A novel group of aquaammoniaporins in plants

    Schüssler, M. D., Pohl, P., Schjoerring, Jan K. & Jahn, T. P., 2008, In: Physiologia Plantarium. 3, p. 37 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  22. Published

    Barley plasma membrane proteomics: identification of protein targets for improvement of crop plants

    Møller, A. L. B., Hynek, R., Witzel, K., Svensson, B., Collinge, David B., Jensen, J. D., Schjoerring, Jan K. & Finnie, C., 2008.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  23. Published

    Barley plasma membrane proteomics: identification of protein targets for improvement of crop plants:

    Møller, A. L. B., Hynek, R., Witzel, K., Svensson, B., Collinge, David B., Jensen, J. D., Schjoerring, Jan K. & Finnie, C., 2008.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  24. Published
  25. Published

    Diagnosing latent manganese deficiency: Photosystem II instability during manganese deficiency

    Pedas, P., Schmidt, S. B., Laursen, Kristian Holst, Jensen, Poul Erik, Hebbern, C. A., Haldrup, Anna, Schjoerring, Jan K. & Husted, Søren, 2008. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  26. Published

    Effects of nitrate and potassium on ammonium toxicity in cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2008, In: Journal of Plant Nutrition. 31, 7, p. 1270-1283 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Gene expression, cellular localisation and function of glutamine synthetase isozymes in wheat (Triticum aestivum L.)

    Bernard, S. M., Møller, A. L. B., Dionisio, G., Kichey, T., Jahn, T. P., Dubois, F., Baudo, M., Lopes, M. S., Tercé-Laforgue, T., Foyer, C. H., Parry, M. A. J., Forde, B. G., Araus, J. L., Hirel, B., Schjoerring, Jan K. & Habash, D. Z., 2008, In: Plant Molecular Biology. 67, 1-2, p. 89-105 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Glutamine synthetase isoforms in wheat and barley: targets for improving nitrogen use efficiency

    Kichey, T., Jahn, T. P., Hirel, B., Habash, D. Z. & Schjoerring, Jan K., 2008, In: Physiologia Plantarium. 3, p. 189 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  29. Published

    HvlRT1,a Mn2+transport protein contributing to Mn efficiency

    Pedas, P., Fuglsang, A. T., Jahn, T. P., Schjoerring, Jan K., Ytting, C. K. & Husted, Søren, 2008, In: Physiologia Plantarium. 3, p. 219 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  30. Published

    Improved Quality and Disease Resistance in Cereal Crops (iKORN) - A Strategic Research Initiative

    Rasmussen, S., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Hjortholm, K., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, L. N., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2008, Triticeae genomics for the advancement of essential European crops. p. 134 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  31. Published

    Improved Quality and Disease Resistance in Cereal Crops (iKORN) - A Strategic Research Initiative

    Rasmussen, S., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Hjortholm, K., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, L. N., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2008. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  32. Published

    Jord, vand og planter: kursus 250021

    Borggaard, Ole K., Hansen, S., Holm, Peter Engelund, Husted, Søren, Jensen, C. R., Petersen, Carsten & Schjoerring, Jan K., 2008, Department of Basic Sciences and Environment, University of Copenhagen. 279 p.

    Research output: Book/ReportCompendium/lecture notesEducation

  33. Published

    Manganese efficiency in barley: identification and characterization of the metal ion transporter HvIRT1

    Pedas, P., Ytting, C. K., Fuglsang, Anja Thoe, Jahn, T. P., Schjoerring, Jan K. & Husted, Søren, 2008, In: Plant Physiology. 148, 1, p. 455-466 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Metallothioneins - What Are Their Physiological Functions in Barley?

    Hegelund, J. N., Schiller, M., Husted, Søren & Schjoerring, Jan K., 2008.

    Research output: Contribution to conferencePosterResearch

  35. Published

    Metallothioneins - what are their physiological roles in barley?

    Schiller, M., Hegelund, J. N., Husted, Søren & Schjoerring, Jan K., 2008, In: Physiologia Plantarium. 3, p. 216 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  36. Published
  37. Published

    Root carbon enrichment alleviates ammonium toxicity in cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2008, In: Journal of Plant Nutrition. 31, 5, p. 941-958 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Special topics in potassium and magnesium research

    Cakmak, I. & Schjoerring, Jan K., 2008, In: Physiologia Plantarum : An International Journal for Plant Biology. 133, 4, p. 623 1 p.

    Research output: Contribution to journalEditorialResearch

  39. Published

    The effects of the loss of TIP1;1 and TIP1;2 aquaporins in Arabidopsis thaliana

    Schüssler, M. D., Alexandersson, E., Bienert, G. P., Kichey, T. M. R., Laursen, Kristian Holst, Johanson, U., Kjellbom, P., Schjoerring, Jan K. & Jahn, T. P., 2008, In: Plant Journal. 56, 5, p. 756-767 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Zinc and iron distribution and speciation in the cereal grain

    Schjoerring, Jan K., Persson, Daniel Pergament, Lombi, E., Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Schiller, M., Hegelund, J. N. & Husted, Søren, 2008, In: Physiologia Plantarium. 3, p. 217 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  41. Published

    Zinc biofortification of cereals: problems and solutions

    Palmgren, Michael, Clemens, S., Williams, L. E., Krämer, U., Borg, S., Schjoerring, Jan K. & Sanders, D., 2008, In: Trends in Plant Science. 13, 9, p. 464-473 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published
  43. 2007
  44. Published
  45. Published

    Challenges in quantifying biosphere-atmosphere exchange of nitrogen species

    Sutton, M. A., Nemitz, E., Erisman, J. W., Beier, C., Bahl, K. B., Cellier, P., Vries, W. D., Cotrufo, F., Skiba, U., Marco, C. D., Jones, S., Laville, P., Soussana, J. F., Loubet, B., Twigg, M., Famulari, D., Whitehead, J., Gallagher, N. W., Neftel, A., Flechard, C. R. & 27 others, Herrmann, B., Calanca, P. L., Schjoerring, Jan K., Daemmgen, U., Horvath, L., Tang, Y. S., Emmett, B. A., Tietema, A., Peñuelas, J., Kesik, D., Brueggemann, N., Pilegaard, K., Vesala, T., Campbell, C. L., Olesen, J. E., Dragosits, U., Theobald, M. R., Levy, P., Mobbs, D. C., Milne, R., Viovy, N., Vuichard, N., Smith, J. U., Smith, P., Bergamaschi, P., Fowler, D. & Reis, S., 2007, In: Environmental Pollution. 150, 1, p. 125-139 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Effects of ammonium toxicity on nitrogen metabolism and elemental profile of cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2007, In: Journal of Plant Nutrition. 30, 10-12, p. 1933-1951 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    HvIRT1, a Mn2+ transport protein contributing to Mn2+ efficiency

    Pedas, P., Fuglsang, Anja Thoe, Jahn, T. P., Schjoerring, Jan K., Ytting, C. K. & Husted, Søren, 2007. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  48. Published

    Jord, vand og planter: kursus 250021

    Borggaard, Ole K., Hansen, S., Holm, Peter Engelund, Husted, Søren, Jensen, C. R., Petersen, Carsten & Schjoerring, Jan K., 2007, København: Institut for Grundvidenskab. 289 p.

    Research output: Book/ReportCompendium/lecture notesEducation

  49. Published

    Specific aquaporins facilitate the diffusion of hydrogen peroxide across membranes

    Bienert, G. P., Møller, A. L. B., Kristiansen, K. A., Schulz, Alexander, Møller, I. M., Schjoerring, Jan K. & Jahn, T. P., 2007, In: Journal of Biological Chemistry. 282, 2, p. 1183-1192 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Suppression of C-hordein synthesis in barley by antisense constructs results in a more balanced amino acid composition

    Lange, M., Vincze, E., Wieser, H., Schjoerring, Jan K. & Holm, P. B., 2007, In: Journal of Agricultural and Food Chemistry. 55, 15, p. 6074-6081 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. 2006
  52. Published

    Antisense reduction of serine hydroxymethyltransferase results in diurnal displacement of NH4+ assimilation in leaves of Solanum tuberosum

    Schjoerring, Jan K., Mäck, G., Nielsen, K. H., Husted, Søren, Suzuki, A., Driscoll, S., Boldt, R. & Bauwe, H., 2006, In: Plant Cell. 45, 1, p. 71-82 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Grain tissue localization and speciation analysis of P, Fe and Zn in rice and barley

    Persson, D. P., Stenbæk, A., Neergaard, E. D., Hansen, Thomas Hesselhøj, Schjoerring, Jan K. & Husted, Søren, 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

  54. Published

    Grain tissue localization and speciation analysis of P, Fe and Zn in rice and barley

    Persson, Daniel Pergament, Stenbæk, A., Neergaard, E. D., Hansen, Thomas Hesselhøj, Schjoerring, Jan K. & Husted, Søren, 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

ID: 4226215