Niels-Ulrik Frigaard
Associate Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 1993
- 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
- 1996
- 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
- 1997
- 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
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
- 1998
- 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
- 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
- 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
- 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
- 1999
- 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
- 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
- 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
- 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
- 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
- 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
- 2000
- 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
- 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
- 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
- Published
Chlorosomes: The light-harvesting complexes of green bacteria
Vassilieva, E. V., Frigaard, Niels-Ulrik & Bryant, D. A., 2000, In: The Spectrum. 13, p. 7-13Research output: Contribution to journal › Journal article › Research
- 2001
- 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
- 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
- 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
- 2002
- 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
- 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
- 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
- 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
- 2003
- Published
Chlorobium Tepidum: Insights into the Structure, Physiology, and Metabolism of a Green Sulfur Bacterium Derived from the Complete Genome Sequence
Frigaard, Niels-Ulrik, Chew, A. G. M., Li, H., Maresca, J. A. & Bryant, D. A., 2003, In: Photosynthesis Research. 78, 2, p. 93-117 24 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- Published
Gene Inactivation in the Cyanobacterium Synechococcus sp. PCC 7002 and the Green Sulfur Bacterium Chlorobium tepidum Using In Vitro-Made DNA Constructs and Natural Transformation
Frigaard, Niels-Ulrik, Sakuragi, Y. & Bryant, D. A., 2004, In: Methods in Molecular Biology. 274, p. 325-340 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Genetic manipulation of carotenoid biosynthesis in the green sulfur bacterium Chlorobium tepidum
Frigaard, Niels-Ulrik, Maresca, J. A., Yunker, C. E., Jones, A. D. & Bryant, D. A., 2004, In: Journal of Bacteriology. 186, 16, p. 5210-5220 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nine mutants of Chlorobium tepidum each unable to synthesize a different chlorosome protein still assemble functional chlorosomes
Frigaard, Niels-Ulrik, Li, H., Milks, K. J. & Bryant, D. A., 2004, In: Journal of Bacteriology. 186, 3, p. 646-653 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Seeing green bacteria in a new light: genomics-enabled studies of the photosynthetic apparatus in green sulfur bacteria and filamentous anoxygenic phototrophic bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2004, In: Archives of Microbiology. 182, 4, p. 265-276 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The bchU gene of Chlorobium tepidum encodes the C-20 methyltransferase in bacteriochlorophyll c biosynthesis
Maresca, J. A., Gomez Maqueo Chew, A., Ponsatí, M. R., Frigaard, Niels-Ulrik, Ormerod, J. G. & Bryant, D. A., 2004, In: Journal of Bacteriology. 186, 9, p. 2558-2566 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- Published
Isolation and Characterization of Carotenosomes from a Bacteriochlorophyll c-less Mutant of Chlorobium tepidum
Frigaard, Niels-Ulrik, Li, H., Martinsson, P., Das, S. K., Frank, H. A., Aartsma, T. J. & Bryant, D. A., 2005, In: Photosynthesis Research. 86, 1-2, p. 101-11 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2006
- Published
Prokaryotic photosynthesis and phototrophy illuminated
Bryant, D. A. & Frigaard, Niels-Ulrik, 2006, In: Trends in Microbiology. 14, 11, p. 488-496 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Community genomics among stratified microbial assemblages in the ocean's interior
DeLong, E. F., Preston, C. M., Mincer, T., Rich, V., Hallam, S. J., Frigaard, Niels-Ulrik, Martinez, A., Sullivan, M. B., Edwards, R., Brito, B. R., Chisholm, S. W. & Karl, D. M., 2006, In: Science. 311, 5760, p. 496-503 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bacteriochlorophyll biosynthesis in green bacteria
Frigaard, Niels-Ulrik, Chew, A. G. M., Maresca, J. A. & Bryant, D. A., 2006, Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics, Functions and Applications. Grimm, B., Porra, R. J., Rüdiger, W. & Scheer, H. (eds.). Berlin: Springer, Vol. 25. p. 201-221Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Chlorosomes: antenna organelles in photosynthetic green bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2006, Complex Intracellular Structures in Prokaryotes. Shively, J. M. (ed.). Berlin: Springer, Vol. 2. p. 79-114 (Microbiology Monographs, Vol. 2).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Mikroorganismer på gen-indkøb
Frigaard, Niels-Ulrik, 2006, In: Aktuel Naturvidenskab. 4, p. 15 1 p.Research output: Contribution to journal › Journal article › Research
- Published
Proteorhodopsin lateral gene transfer between marine planktonic Bacteria and Archaea
Frigaard, Niels-Ulrik, Martinez, A., Mincer, T. J. & DeLong, E. F., 2006, In: Nature. 439, 7078, p. 847-850 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Molecular contacts for chlorosome envelope proteins revealed by cross-linking studies with chlorosomes from Chlorobium tepidum
Li, H., Frigaard, Niels-Ulrik & Bryant, D. A., 2006, In: Biochemistry. 45, 30, p. 9095-9103 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
Bacteriochlorophyllide c C-8(2) and C-12(1) Methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum
Chew, A. G. M., Frigaard, Niels-Ulrik & Bryant, D. A., 2007, In: Journal of Bacteriology.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Alle bakterier deler gener ved horisontal overførsel
Frigaard, Niels-Ulrik, 2007, In: Dansk Kemi. 88, 5, p. 28-31 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bacteriochlorophyllide c C-82 and C-121 methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2007, In: Journal of Bacteriology. 189, 17, p. 6176-6184 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
X-ray scattering and electron cryomicroscopy study on the effect of carotenoid biosynthesis to the structure of Chlorobium tepidum chlorosomes
Ikonen, T. P., Li, H., Psencík, J., Laurinmäki, P. A., Butcher, S. J., Frigaard, Niels-Ulrik, Serimaa, R. E., Bryant, D. A. & Tuma, R., 2007, In: Biophysical Journal. 93, 2, p. 620-628 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
Genomic Insights into the Sulfur Metabolism of Phototrophic Green Sulfur Bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2008, In: Advances in Photosynthesis and Respiration. 27, p. 337-355 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Genomic and Evolutionary Perspectives on Sulfur Metabolism in Green Sulfur Bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2008, Microbial Sulfur Metabolism. Springer, p. 60-76 16 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Sulfur metabolism in phototrophic sulfur bacteria
Frigaard, Niels-Ulrik & Dahl, C., 2008, In: Advances in Microbial Physiology. 54, p. 103-200 97 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Identification of the bchP gene, encoding geranylgeranyl reductase in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2008, In: Journal of Bacteriology. 190, 2, p. 747-749 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- Published
Mutational analysis of three bchH paralogs in (bacterio-)chlorophyll biosynthesis in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2009, In: Photosynthesis Research. 101, 1, p. 21-34 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dominance of a clonal green sulfur bacterial population in a stratified lake
Gregersen, Lea Haarup, Habicht, K. S., Peduzzi, S., Tonolla, M., Canfield, D. E., Miller, M., Cox, R. P. & Frigaard, Niels-Ulrik, 2009, In: FEMS Microbiology Ecology. 70, 1, p. 30-41 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Proteomic study of Chlorobium clathratiforme in Lago di Cadagno, Switzerland
Habicht, K. S., Miller, M., Nielsen, L. F., Frigaard, Niels-Ulrik & Andersen, J. S., 2009, In: Geochimica et Cosmochimica Acta. p. A484Research output: Contribution to journal › Journal article › Research
ID: 4633
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Cyanobacterial biomass as carbohydrate and nutrient feedstock for bioethanol production by yeast fermentation
Research output: Contribution to journal › Journal article › Research › peer-review
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Proteomic analysis of the purple sulfur bacterium Candidatus "Thiodictyon syntrophicum" strain Cad16T isolated from Lake Cadagno
Research output: Contribution to journal › Journal article › Research › peer-review
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Genomic analysis reveals key aspects of prokaryotic symbiosis in the phototrophic consortium "Chlorochromatium aggregatum"
Research output: Contribution to journal › Journal article › Research › peer-review
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