Niels-Ulrik Frigaard

Niels-Ulrik Frigaard

Associate Professor

ORCID: 0000-0002-9389-8109

Publication year:
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1 - 25 out of 83Page size: 25
  1. 1993
  2. Published

    Membrane inlet manometry for the measurement of water activity in aqueous and organic solutions

    Degn, H. & Frigaard, Niels-Ulrik, 1993, In: Analytica Chimica Acta. 274, p. 355-359 5 p.

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

  3. 1996
  4. Published

    Spectrochromatography of photosynthetic pigments as a fingerprinting technique for microbial phototrophs

    Frigaard, Niels-Ulrik, Larsen, K. L. & Cox, R. P., 1996, In: FEMS Microbiology Ecology. 20, p. 69-77 9 p.

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

  5. 1997
  6. Published

    Quinones in chlorosomes of green sulfur bacteria and their role in the redox-dependent fluorescence studied in chlorosome like bacteriochlorophyll c aggregates

    Frigaard, Niels-Ulrik, Takaichi, S., Hirota, M., Shimada, K. & Matsuura, K., 1997, In: Archives of Microbiology. 167, p. 343-349 7 p.

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

  7. Quinones in chlorosomes of green sulfur bacteria and their role in the redox-dependent fluorescence studied in chlorosome-like bacteriochlorophyll c aggregates

    Frigaard, Niels-Ulrik, Takaichi, S., Hirota, M., Shimada, K. & Matsuura, K., 1 Jan 1997, In: Archives of Microbiology. 167, 6, p. 343-349 7 p.

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

  8. 1998
  9. Published

    Base treatment of chlorosomes and the regulation of energy transfer in the base-plate

    Sakuragi, Y., Matsuura, K., Frigaard, Niels-Ulrik, Miller, M. & Cox, R. P., 1998, In: Plant and Cell Physiology.

    Research output: Contribution to journal › Journal article › Research

  10. Published

    Location and function of isoprenoid quinones in chlorosomes from green sulfur bacteria

    Frigaard, Niels-Ulrik, Matsuura, K., Hirota, M., Miller, M. & Cox, R. P., 1998, In: Plant and Cell Physiology.

    Research output: Contribution to journal › Journal article › Research

  11. Published

    Menaquinone-7 in the reaction center complex of the green sulfur bacterium Chlorobium vibrioforme functions as the electron acceptor A1

    Kjaer, B., Frigaard, Niels-Ulrik, Yang, F., Zybailov, B., Miller, M., Golbeck, J. H. & Scheller, H. V., 1998, In: Biochemistry. 37, 10, p. 3237-3242 5 p.

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

  12. Published

    Studies of the location and function of isoprenoid quinones in chlorosomes from green sulfur bacteria

    Frigaard, Niels-Ulrik, Matsuura, K., Hirota, M., Miller, M. & Cox, R. P., 1998, In: Photosynthesis Research. 58, p. 81-90 10 p.

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

  13. 1999
  14. Published

    Association of bacteriochlorophyll a with the CsmA protein in chlorosomes of the photosynthetic green filamentous bacterium Chloroflexus aurantiacus

    Sakuragi, Y., Frigaard, Niels-Ulrik, Shimada, K. & Matsuura, K., 1999, In: BBA General Subjects. 1413, 3, p. 172-180 9 p.

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

  15. Published

    Effect of alkaline treatment on bacteriochlorophyll a, quinones, and energy transfer in chlorosomes from Chlorobium tepidum and Chlorobium phaeobacteroides

    van Walree, C. A., Sakuragi, Y., Steensgaard, D. B., Bösinger, C. S., Frigaard, Niels-Ulrik, Cox, R. P., Holzwarth, A. R. & Miller, M., 1999, In: Photochemistry and Photobiology. 69, p. 322-328 7 p.

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

  16. Published

    Exogenous quinones inhibit photosynthetic electron transfer in Chloroflexus aurantiacus by specific quenching of the excited bacteriochlorophyll c antenna

    Frigaard, Niels-Ulrik, Tokita, S. & Matsuura, K., 1999, In: BBA General Subjects. 1413, 3, p. 108-116 9 p.

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

  17. Published

    Oxygen uncouples light absorption by the chlorosome antenna and photosynthetic electron transfer in the green sulfur bacterium Chlorobium tepidum

    Frigaard, Niels-Ulrik & Matsuura, K., 1999, In: BBA General Subjects. 1412, 2, p. 108-117 10 p.

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

  18. Published

    Pheophytinization of bacteriochlorophyll c and energy transfer in cells of Chlorobium tepidum

    Tokita, S., Hirota, M., Frigaard, Niels-Ulrik, Shimada, K. & Matsuura, K., 1999, In: Archives of Microbiology. 172, 1, p. 40-44 5 p.

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

  19. Published

    Effect of alkaline treatment on bacteriochlorophyll a, quinones and energy transfer in chlorosomes from Chlorobium tepidum and Chlorobium phaeobacteroides

    Van Walree, C. A., Sakuragi, Y., Steensgaard, D. B., Bösinger, C. S., Frigaard, Niels-Ulrik, Cox, R. P., Holzwart, A. R. & Miller, M., 1 Jan 1999, In: Photochemistry and Photobiology. 69, 3, p. 322-328 7 p.

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

  20. 2000
  21. Published

    Chlorosomes: The light-harvesting complexes of green bacteria

    Vassilieva, E. V., Frigaard, Niels-Ulrik & Bryant, D. A., 2000, In: The Spectrum. 13, p. 7-13

    Research output: Contribution to journal › Journal article › Research

  22. Published

    Electronic energy transfer involving carotenoid pigments in chlorosomes of two green bacteria: Chlorobium tepidum and Chloroflexus aurantiacus

    Melø, T. B., Frigaard, Niels-Ulrik, Matsuura, K. & Razi Naqvi, K., 2000, In: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 56, 10, p. 2001-2010 10 p.

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

  23. Published

    Pigments and proteins in green bacterial chlorosomes studied by matrix-assisted laser desorption ionization mass spectrometry

    Persson, S., Sönksen, C. P., Frigaard, Niels-Ulrik, Cox, R. P., Roepstorff, P. & Miller, M., 2000, In: European Journal of Biochemistry. 267, 2, p. 450-456 7 p.

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

  24. Published

    Quenching of bacteriochlorophyll fluorescence in chlorosomes from Chloroflexus aurantiacus by exogenous quinones

    Tokita, S., Frigaard, Niels-Ulrik, Hirota, M., Shimada, K. & Matsuura, K., 2000, In: Photochemistry and Photobiology. 72, 3, p. 345-350 5 p.

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

  25. 2001
  26. Published

    Chlorosome protein structure and function and the complete genome sequence of Chlorobium tepidum

    Bryant, D. A., Frigaard, Niels-Ulrik, Vassilieva, E. V. & Eisen, J. A., 2001, In: Photosynthesis Research.

    Research output: Contribution to journal › Journal article › Research

  27. Published

    Chromosomal gene inactivation in the green sulfur bacterium Chlorobium tepidum by natural transformation

    Frigaard, Niels-Ulrik & Bryant, D. A., 2001, In: Applied and Environmental Microbiology. 67, 6, p. 2538-2544 6 p.

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

  28. Published

    The remarkable chlorosome

    Frigaard, Niels-Ulrik, Vassilieva, E. V., Li, H., Milks, K. J., Zhao, J. & Bryant, D. A., 2001, Proceedings of the 12th International Congress on Photosynthesis. CSIRO Publishing, p. S1-003 6 p.

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

  29. 2002
  30. Published

    Chlorobium tepidum mutant lacking bacteriochlorophyll c made by inactivation of the bchK gene, encoding bacteriochlorophyll c synthase

    Frigaard, Niels-Ulrik, Voigt, G. D. & Bryant, D. A., 2002, In: Journal of Bacteriology. 184, 12, p. 3368-3376 8 p.

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

  31. Published

    Isolation and characterization of csmH, a chlorosome envelope protein, from the green sulfur bacterium Chlorobium tepidum

    Milks, K. J., Frigaard, Niels-Ulrik & Bryant, D. A., 2002, In: Abstracts of the General Meeting of the American Society for Microbiology.

    Research output: Contribution to journal › Journal article › Research

  32. Published

    Selective Protein Extraction from Chlorobium tepidum Chlorosomes Using Detergents. Evidence That CsmA Forms Multimers and Binds Bacteriochlorophyll a

    Bryant, D. A., Vassilieva, E. V., Frigaard, Niels-Ulrik & Li, H., 2002, In: Biochemistry. 41, 48, p. 14403-14411 9 p.

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

  33. Published

    Subcellular localization of chlorosome proteins in Chlorobium tepidum and characterization of three new chlorosome proteins: CsmF, CsmH, and CsmX

    Vassilieva, E. V., Stirewalt, V. L., Jakobs, C. U., Frigaard, Niels-Ulrik, Inoue-Sakamoto, K., Baker, M. A., Sotak, A. & Bryant, D. A., 2002, In: Biochemistry. 41, p. 4358-4370 13 p.

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

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